tomsautomaintenance

How Carburetors Work And Why Do Modern Cars No Longer Have Them?

Fri, 27 Feb 2026 11:45:01 GMT

Carburetors feel almost mechanical in the best way. No sensors deciding the mix in milliseconds, no fuel maps, just airflow, fuel, and a handful of passages doing their job. When they’re right, they drive beautifully. When they’re off, they can make a perfectly healthy engine act stubborn.

That’s why understanding the basics still matters.

How A Carburetor Measures Fuel

A carburetor’s main job is to mix fuel with incoming air in the correct ratio across different driving conditions. Air flows through a narrowed section called the venturi. As airflow speeds up there, pressure drops, and that pressure drop pulls fuel from the float bowl through jets into the air stream. The faster the airflow, the more fuel gets drawn, and the engine gets what it needs as demand changes.

The float bowl is the carb’s fuel reservoir. A float and needle valve keep the fuel level stable, because a stable fuel level is what allows the jets to meter consistently. If the fuel level is too high, the engine runs rich and can smell like fuel. If it’s too low, the engine starves under load and stumbles.

The Circuits That Handle Idle, Cruise, And Acceleration

Carburetors use different circuits for different situations. At idle, airflow is low, so the carb uses an idle circuit that feeds fuel through small passages and an idle mixture adjustment. As you cruise and airflow rises, the main circuit takes over through the main jets. When you accelerate quickly, airflow changes faster than fuel can respond naturally, so many carbs use an accelerator pump that squirts a quick shot of fuel to prevent a bog.

Cold starts add another layer. Fuel does not vaporize as easily in cold air, so the engine needs extra enrichment to start and run smoothly until it warms. That’s why carburetors use a choke system, manual or automatic, to restrict airflow and enrich the mixture during warm-up.

Why Carburetors Can Be Finicky Over Time

Carburetors work well, but they are sensitive to dirt, varnish, and small air leaks. Old fuel can leave deposits that partially block jets and passages, and even a small restriction can change how the engine runs . A car that sits for long periods is especially prone to this because fuel evaporates and leaves residue behind.

Vacuum leaks matter more on carbureted engines too. A cracked hose, a leaking base gasket, or worn throttle shaft bushings can let in unmetered air. That leans out the mixture, creates unstable idle, and makes tuning frustrating because you’re adjusting the carb to compensate for a leak that should be fixed first.

How Fuel Injection Solved The Big Carburetor Weak Spots

Modern fuel injection measures and adjusts fuel delivery with far more precision. Instead of relying on pressure drop and mechanical circuits, the engine computer calculates fuel based on sensor data and commands injectors to deliver exact amounts. The system also adapts to altitude, temperature, and load changes automatically.

That precision is one reason modern engines start quickly in all weather, idle smoothly, and pass emissions standards that carburetors would struggle to meet. Fuel injection also gives better control during transitions, like tip-in acceleration and deceleration, which reduces bogs and stumbles. It also supports higher compression and more advanced ignition strategies because the mixture can be controlled more consistently.

Emissions And Efficiency Are The Real Reasons Carbs Faded Out

Carburetors can be tuned to run well, but they cannot match the fine control needed for modern emissions systems. Catalytic converters work best when the air-fuel ratio is tightly controlled, and a carburetor simply cannot adjust quickly enough across all conditions. Fuel injection keeps the mixture where the converter wants it, which reduces emissions and improves fuel economy.

It also helps with drivability. Fuel injection compensates for changes that would throw a carb out of tune, like seasonal temperature swings or changing elevation. That’s why a modern car can travel from sea level to a mountain pass with no adjustment, while an older carbureted car might run noticeably different.

When Carburetors Still Make Sense Today

Carburetors still belong in classic cars, vintage trucks, and certain performance builds where simplicity and period-correct hardware matter. They are also straightforward to service when you know what you’re looking at. A clean, properly rebuilt carb with correct float level, good gaskets, and no vacuum leaks can run reliably for a long time.

The key is treating carburetor care as a system . Fuel quality, proper filtration, good ignition components, and consistent regular maintenance all contribute to a carbureted engine that starts and drives the way it should. An inspection that focuses on fuel delivery, vacuum integrity, and ignition strength usually finds the real cause faster than random adjustment.

Get Carburetor Service In Milwaukee, WI With Tom's Auto Maintenance

If your classic car is hard to start, stumbles when you tip into the throttle, or refuses to idle consistently, the right next step is checking fuel delivery, vacuum leaks, and carb calibration as one package. Schedule service with Tom's Auto Maintenance in Milwaukee, WI, and we’ll inspect the carburetor system, correct the root cause, and get it running the way a classic should.

You’ll enjoy the drive more when the engine responds cleanly every time.

5 Quick Ways To Protect Your Car's Paint

Fri, 30 Jan 2026 12:30:03 GMT

Your paint takes a beating every single day. Sun, road grit, bird droppings, bugs, tree sap, winter grime, and the occasional careless shopping cart all add up. Most drivers do not notice the damage until the finish starts looking dull, rough, or permanently stained.

The good news is you do not need a showroom routine to protect your paint. A few smart habits make a big difference, especially if you start before the clear coat looks tired. Here are five practical, quick ways to keep your paint looking better for longer.

1. Wash More Often, But Make The Wash Gentler

A dirty car is not just a cosmetic issue. Dirt and road film act like abrasive dust when you wipe or wash. The key is removing grime without grinding it into the finish.

Rinse first, especially the lower panels where grit collects. Use a real car wash soap, not dish soap, because harsh cleaners can strip protective layers and dry out trim. If you can, use a clean wash mitt and rinse it often. The goal is to lift the dirt off, not drag it around.

If you rely on automatic washes, touchless is usually safer than brush-style washes. Brush washes can leave fine swirl marks over time, even if they look convenient.

2. Deal With Bird Droppings And Sap Fast

Bird droppings and tree sap are some of the fastest ways to stain the clear coat. They do damage because they sit and bake in the sun. The longer they stay, the more likely they are to leave an etched spot that does not wash out.

If you cannot do a full wash, at least remove the spot gently. Use a damp microfiber towel and a bit of detail spray or water. Do not scrub dry. A few minutes now can save you from needing paint correction later.

We’ve seen plenty of vehicles where the paint was fine overall, but a handful of ignored droppings left permanent marks that stood out more than any scratch.

3. Add A Simple Layer Of Protection Every Few Months

You do not need to jump straight into ceramic coating to help your paint. A basic wax or paint sealant adds a sacrificial layer that takes the hit from UV, grime, and water spots.

This layer also makes washing easier. Dirt and bugs release faster, so you spend less time scrubbing. Many modern spray sealants are easy to apply after a wash. If you keep up with that routine a few times a year, your clear coat stays in better shape for the long run.

4. Watch Out For The Tiny Habits That Cause Swirl Marks

A lot of paint damage is self-inflicted, and it happens in small moments. Wiping dust off with a dry towel is one of the biggest culprits. So is using the same rag on wheels and paint, since wheels hold gritty brake dust .

Here are a few habits that help reduce swirls:

Do not wipe the paint dry when the car is dusty, rinse first
Use clean microfiber towels, and do not reuse one that fell on the ground
Keep wheel cleaning tools separate from paint tools
Dry the car with a clean towel instead of letting water spots bake in the sun
Avoid leaning on the car with zippers, belts, or bags

These are small changes, but they add up over months.

5. Protect High-Impact Areas Before They Look Sandblasted

Some parts of the car get hit harder than others. The front bumper, hood edge, mirror caps, and lower rocker panels take the brunt of road grit. Over time, they can look pitted and dull compared to the rest of the vehicle.

If you do a lot of highway driving or commute on gravel or winter grit roads, consider extra protection for those areas. Paint protection film is one option, and a good sealant routine also helps. Even mud flaps or splash guards can reduce how much debris gets thrown down the sides of the car.

At Tom's Auto Maintenance, we’ve seen the difference it makes when drivers protect those high-impact spots early instead of waiting until the finish is already worn.

What Paint the Protection Cannot Do

Even the best routine cannot prevent every scratch. Door dings, rock chips, and careless cart hits still happen. The goal is to reduce the everyday wear that slowly dulls paint and makes the car look older than it is.

Protection also does not fix existing damage. If the paint is already oxidized, heavily swirled, or stained, it may need polishing or correction first, then protection afterward. That is why starting now, even with simple steps, is often the smart move.

Get Paint Care Help in Milwaukee, WI, with Tom's Auto Maintenance

We can help you protect your paint with practical care and the right products for your vehicle, whether you want a simple protection applied or help by correcting an already tired finish. We’ll keep it straightforward and recommend what makes sense for you.

Call Tom's Auto Maintenance in Milwaukee, WI, to schedule a visit and keep your paint looking its best.

Simple Steps to Extend Your New Car Battery's Life

Fri, 19 Dec 2025 16:45:02 GMT

A brand new battery should give you years of confident starts, but some die much sooner than they should. Often, it is not a bad battery from the factory; it is the way the vehicle is driven and how the electrical system is treated. A few simple habits can easily double the life of that new battery and save you from those frustrating mornings when the car suddenly will not start.

Why New Car Batteries Still Fail Early

Even fresh batteries have limits. Modern vehicles draw power all the time for keyless entry, alarms, modules, and accessories that stay on standby. Short trips, lots of idling, and heavy electrical use can drain more power than the alternator has time to replace, so the battery spends much of its life in a low state of charge.

Heat and vibration also shorten battery life. Underhood temperatures, loose hold downs, and rough roads can slowly weaken internal plates. We often see “young” batteries fail early because they spent months half-charged, bouncing around in the tray, or cooking next to a hot engine with no one realizing it.

Know What Drains Your Battery Day to Day

Some power draws are obvious; others are more sneaky. Common battery drains include:

Interior lights, glove box lights, and cargo lamps that stick on
Phone chargers, dash cams, and plug-in accessories are left connected all the time
Aftermarket stereos or alarms that pull more current than the system was designed for
Sitting for long periods without being driven, especially in very hot or very cold weather

None of these will kill a healthy battery overnight, but together they chip away at its reserve. When we diagnose battery problems, we pay close attention to how the vehicle is used between starts, not just how old the battery is.

Give Your New Battery a Good Start

The first months of a battery’s life set the tone for how it will perform . After installation, it helps to:

Make sure the battery is correctly sized and rated for the vehicle, not just “close enough”

Confirm the hold down and clamps are tight so the case cannot move around

Check that the charging system is working properly and not overcharging or undercharging

If a new battery is installed on a weak alternator or into dirty, loose connections, it starts life at a disadvantage. In our experience, taking a few extra minutes to test charging voltage and clean the terminals right away prevents a lot of early failures.

Smart Driving Habits That Protect Battery Life

You do not have to change your whole routine, but small adjustments help. Try to avoid long stretches of very short trips where the car runs for a few minutes, then shuts off again. Mix in longer drives when you can, so the alternator has time to fully recharge the battery.

In very cold weather, limit the time you sit with the ignition on and engine off while blasting the heater, defroster, and seat warmers. In hot weather, avoid idling with heavy electrical loads for long periods. If the vehicle will sit for more than a couple of weeks, consider a quality battery maintainer instead of relying on occasional jump starts.

Watch for Early Signs Your Battery Is Struggling

Batteries rarely quit with no warning at all. Early signs that something is changing include:

The engine is cranking slower than you remember, especially first thing in the morning
Interior or dash lights dimming noticeably when you start the vehicle
Radio presets or clock resetting after a start
Needing a jump start once, even if it seemed like a “one time” problem

Treat those symptoms as a reminder to have the battery and charging system tested instead of hoping it was a fluke. Catching a weak battery at this stage usually means you can choose a good time for replacement instead of dealing with a tow.

Simple At-Home Checks for Longer Battery Life

You do not need special tools to help your new battery last longer. A few quick checks every month or two go a long way:

Pop the hood and look for white or green corrosion around the terminals and cable ends
Make sure the battery is held firmly in its tray and the cables do not move on the posts
Listen for slow cranking and note any changes in how the vehicle starts as the seasons change
Check that all interior lights turn off properly when doors and the trunk are closed

If you see heavy corrosion, a loose clamp, or a cracked battery case, that is a good time to let a technician take a closer look before the connection fails completely.

When To Test or Replace Before You Get Stranded

Most modern car batteries last somewhere in the three to five year range, depending on climate and use. Once your battery is a few years old, having it tested during regular service visits is a smart habit. Load testing can reveal a weak battery before it fails in a parking lot or driveway.

If the test shows low reserve capacity, or if you have already needed a jump, replacing the battery on your schedule is usually the cheaper and calmer option. We would rather help you install a fresh battery during a planned visit than meet you after work with a vehicle that will not start.

Get Longer Battery Life in Milwaukee, WI with Tom's Auto Maintenance

If you want your new battery to last, a quick checkup is a great place to start. We can test the battery and alternator, clean and secure the connections, and point out any habits or electrical draws that might be shortening its life.

Schedule battery service in Milwaukee, WI, with Tom's Auto Maintenance , and we will help keep your vehicle starting strong year after year.

9 SUV Maintenance Tips For Busy Families

Fri, 28 Nov 2025 15:00:26 GMT

SUVs handle carpools, grocery runs, and weekend trips without a complaint, until a small issue grows into a big one. A simple plan keeps your family hauler safe and predictable through Milwaukee winters and summer road trips.

Here are nine practical tips we share at our shop to protect tires, brakes, and budgets.

1. Set Tire Pressures for Real Life, Not Just the Sticker

Tire pressure changes about one psi for every 10 degrees of temperature swing. Check tire pressure cold once a month and any time a cold front moves in. If you often drive with a full load of kids and gear, use the higher “full load” value on the door label. Proper pressure keeps braking distances short and tread wear even.

2. Rotate Tires and Ask for an Alignment Check

Rotating every 8,000 to 10,000 miles, or with every oil change, evens out wear between the front and rear. If the steering wheel sits off-center or the SUV drifts on flat roads, plan an alignment. Small angle errors chew up tires quickly on heavier vehicles. Our technicians measure camber, caster, and toe, then center the wheel so highway driving stays calm.

3. Keep Brakes Quiet, Strong, and Predictable

Listen for squeals or a light grind at low speeds . Those are early pad and rotor clues. If the pedal feels soft or you sense a pulse, have us inspect it before a long trip. We check pad thickness, rotor condition, and caliper slides, and we flush fluid on schedule so the fade does not show up on a downhill with a full cabin.

4. Change Oil On Time, Especially With Short Trips

Short city drives in Milwaukee do not fully warm the oil, which lets fuel and moisture build up. Following the severe service interval is smart for family duty. Fresh, correct-spec oil protects timing components and turbos on modern engines. It also keeps the idle smooth on cold mornings at school drop-off.

5. Protect Your Battery Before Winter

Batteries lose cranking power as temperatures fall. If morning starts sounding slow or the battery is past three years, test it before the first deep freeze. Clean terminals and strong grounds prevent voltage drop that confuses electronics. A mid-fall check saves the classic jump-start scramble in a snowy parking lot.

6. Watch Fluids That Families Forget

Coolant guards against corrosion and winter freeze. Brake fluid absorbs moisture and lowers the boiling point. Transmission and transfer case fluids take a beating when you tow or sit in traffic. We check condition and intervals, then replace with the exact spec so shifts stay smooth and the heater stays strong.

7. Suspension Basics: Keep It Tight and Comfortable

Clunks over speed bumps, a floaty rear with luggage, or cupped tire tread point to tired shocks or struts. Worn control arm bushings and ball joints make steering vague and increase stopping distance on bumpy roads. An inspection before a road trip catches the small parts that keep the SUV planted . Replacing worn pieces protects tires and restores that confident, settled feel.

8. HVAC, Cabin Filter, and Clear Windows

Weak airflow or slow defrost usually means the cabin filter is overdue. A clean filter helps the heater clear fog quickly and keeps dust off the evaporator. Use A/C with defrost to dry the air on damp days. If the rear defogger is slow, we check the grid, relays, and grounds so visibility stays crisp in winter.

9. Build a Simple Family Road-Trip Checklist

Five minutes the night before makes the first hour smoother. Check tire pressures, washer fluid, and wiper blades. Set child seats for snug harnesses without bulky coats. Confirm the spare or inflator kit is ready, and make sure the wheel lock key is in the glove box. A quick highway test loop catches vibration or drift before you pack the trunk.

Get Family-Focused SUV Service in Milwaukee with Tom’s Auto Maintenance

If your SUV has new noises, a light on the dashboard, or a trip on the calendar, our team in Milwaukee can help. We set pressures for your real load, inspect brakes and suspension, test the battery, and keep fluids on the right schedule.

Schedule a visit, and drive away with an SUV that feels safe, quiet, and ready for family miles.

Why Does My Car Shake When I Brake?

Fri, 31 Oct 2025 15:15:00 GMT

Feeling your car shake when you press the brake pedal can be alarming. Whether it’s a light vibration or a harsh shudder, this symptom usually means there’s a problem within the braking or suspension system. Ignoring it may lead to reduced stopping power, increased wear on components, and even safety concerns.

Here’s what could be causing the shaking and what you can do to restore smooth, reliable braking.

Warped Brake Rotors

One of the most common reasons for brake-related shaking is warped rotors. Over time, heat from repeated braking can cause the rotors to wear unevenly or develop high spots. When the brake pads press against these uneven surfaces, you’ll feel the steering wheel or brake pedal vibrate.

Rotors can warp from excessive heat, sudden stops, or when the brake pads wear down too far. Resurfacing may fix minor warping, but replacement is often the most effective solution if the damage is severe.

Worn Brake Pads

Brake pads wear down with use, and if they become too thin or wear unevenly, they can cause vibrations. Low-quality pads or those not suited for your driving style may also contribute to irregular braking.

If your pads are worn or producing noise along with the shaking, it’s time to replace them. Make sure to install quality pads that match your vehicle's needs to prevent early wear and maximize performance.

Sticking Brake Caliper

The brake caliper presses the pads against the rotor when you hit the brakes. If a caliper sticks or fails to release completely, it causes uneven braking pressure. This can create a pulling sensation to one side, along with a noticeable shake or vibration when slowing down.

Sticking calipers can also overheat the rotor and pad on one side, leading to premature wear. A technician can inspect and service or replace the caliper to restore proper braking function .

Suspension Issues

Sometimes the cause of the shaking isn’t the brakes themselves but the suspension system. Worn components like control arms, bushings, or ball joints can cause vibrations that are most noticeable when braking.

Since the suspension supports and stabilizes the vehicle , problems in this system can lead to uneven weight distribution when stopping. If your vehicle continues to shake even after brake service, a suspension inspection is the next step.

Tire or Wheel Problems

If your tires are out of balance or have uneven tread wear, you may feel vibration during braking, especially at higher speeds. In some cases, a bent wheel rim or improperly torqued lug nuts can also cause shaking.

Tire balancing and alignment can often solve the issue if it’s related to wheels or tires. Regular tire rotations and inspections also help prevent this kind of problem.

Contaminated Brake Components

Oil, grease, or other contaminants on your brake pads or rotors can interfere with smooth braking and cause the vehicle to shudder. This can happen if nearby parts like wheel bearings or CV boots leak, allowing substances to reach the braking surface.

In these cases, cleaning or replacing the contaminated parts is necessary. Make sure leaks are repaired at the same time to prevent recurrence.

Frequently Asked Questions About Brake Shaking

Is it dangerous to drive when my car shakes while braking?

It can be. Shaking while braking may signal worn or faulty parts that could compromise your ability to stop safely. It’s best to have it inspected quickly.

Can warped rotors be fixed, or do they need replacing?

Light warping can sometimes be corrected by resurfacing the rotor, but heavy damage usually requires full replacement.

What if the shaking only happens at high speeds?

Vibration at high speeds may point to tire balance or suspension issues in addition to brake concerns. A full inspection will help find the root cause.

How can I prevent this from happening again?

Regular brake service, tire maintenance, and addressing problems early can help you avoid shaking and extend the life of your braking system.

Should I get my brakes checked even if the car stops normally?

Yes. If you notice shaking, noise, or a change in pedal feel, it's a sign that something isn’t working as it should, even if braking still seems effective.

Brake Repairs You Can Trust at Tom’s Auto Maintenance in Milwaukee, WI

If your car shudders or shakes when you brake, don’t wait until it gets worse. At Tom’s Auto Maintenance in Milwaukee, our expert technicians can identify the source of the problem and perform the right repairs to restore safe, smooth stopping.

We handle everything from rotor replacement and brake pad service to suspension repairs and tire checks. Schedule an appointment today and drive confidently with help from your local brake specialists.

Is Your Car Pulling to One Side? Here’s What to Check

Fri, 26 Sep 2025 14:45:06 GMT

You’re driving straight, but your car keeps drifting to the left or right. You adjust the wheel to keep it centered, but the pull doesn’t go away. This kind of behavior from your vehicle is more than just annoying. It’s a sign that something isn’t right, and ignoring it can lead to uneven tire wear, poor fuel economy, and even unsafe driving conditions.

If your car is pulling to one side, here are the most common causes and what you can do to fix the issue before it gets worse.

Tire Pressure Imbalance

The simplest explanation is often the correct one. If one of your tires has lower pressure than the others, it can affect how your vehicle handles. Lower pressure reduces the tire’s diameter slightly, making that wheel spin differently and causing the car to veer off course.

Check all four tires with a pressure gauge and compare the readings to the manufacturer’s recommended levels. These are usually found on a sticker inside the driver’s door. Correct any imbalances and see if the pulling stops. If it doesn’t, there may be another issue.

Wheel Alignment Problems

Misalignment is one of the most common reasons a vehicle pulls to one side. Over time, hitting potholes, curbs, or driving over rough roads can cause your wheels to move out of their ideal positions. When this happens, your tires no longer point perfectly straight, which affects steering and handling.

Signs of misalignment include pulling to one side, a crooked steering wheel when driving straight, or uneven tire wear. A professional alignment service can correct the angles of your wheels and restore proper handling.

Brake Caliper Issues

If your car pulls only when braking, a sticking brake caliper may be the cause. Brake calipers apply pressure to the pads and rotors to slow your vehicle. If one caliper is partially stuck, it can create drag on that wheel, pulling the car in that direction.

You might also notice a burning smell or heat coming from the affected wheel after driving. This is a safety concern and should be checked right away. A technician can inspect the brake system, clean or replace the caliper, and ensure all components are working evenly.

Suspension or Steering Wear

Parts of your suspension and steering systems, like tie rods, ball joints, and control arms, wear out over time. When they become loose or damaged, they can cause your vehicle to wander, pull, or feel unstable.

You may feel looseness in the steering wheel or hear clunking sounds over bumps. If these symptoms appear alongside pulling, have your suspension inspected . Catching worn components early can prevent more costly repairs down the line.

Uneven or Worn Tires

Tires don’t always wear evenly, especially if your alignment is off or the suspension is worn. When one tire has a different tread pattern or depth than the others, it can affect how the car grips the road. Some tires may also develop internal issues, like broken belts, that are not immediately visible but cause the vehicle to pull.

Rotate your tires regularly and replace them as needed. If the pulling started after installing new tires, double-check that all four match in brand, size, and tread pattern.

Tire Conicity or Manufacturing Defects

Sometimes a tire can be defective from the factory. A condition known as tire conicity occurs when the tire’s tread is built with an inward or outward lean. This defect can cause the car to pull to one side, even if everything else is in good condition.

This issue usually appears soon after installing new tires. If you suspect a manufacturing defect, a tire shop can test for conicity and recommend a solution, such as rotating or replacing the affected tire.

Don’t Ignore the Signs

Driving a car that pulls to one side is tiring and potentially dangerous. It forces you to constantly correct your steering and puts uneven stress on your tires and suspension. Over time, it can shorten the lifespan of your tires, increase fuel consumption, and compromise your safety, especially during emergency maneuvers or on wet roads.

Let Tom’s Auto Maintenance in Milwaukee, WI, Get Your Steering Back on Track

If your car is pulling to one side, don’t wait for the problem to get worse. At Tom’s Auto Maintenance in Milwaukee, WI, we’ll inspect your tires, alignment, brakes, and suspension to find out exactly what’s causing the issue. Our experienced technicians will get your vehicle handling the way it should, giving you better control and a smoother ride.

Schedule your appointment today and enjoy the peace of mind that comes with safe, accurate steering.

Why Does My Car Feel Like It's Losing Power?

Fri, 29 Aug 2025 12:30:05 GMT

Few things are more frustrating than pressing the gas pedal and feeling your car hesitate or struggle to accelerate. A loss of power can make driving stressful and even unsafe, especially when merging onto highways or passing slower traffic. This problem can stem from a wide range of issues, some minor and easy to fix, others requiring more in-depth repairs. Knowing the possible causes can help you act quickly before the problem worsens.

Fuel Delivery Problems

Your engine needs a precise mix of air and fuel to run efficiently. If fuel isn’t reaching the engine in the right amount, performance will suffer. Clogged fuel injectors, a dirty fuel filter, or a failing fuel pump can all reduce fuel flow. When injectors get clogged, they spray less fuel into the cylinders, which can cause sluggish acceleration. A failing fuel pump can also struggle to maintain the pressure needed for proper combustion, leading to stalling or jerking while driving.

Air Intake Restrictions

Air is just as important as fuel in the combustion process. A clogged air filter can limit airflow into the engine, causing it to work harder and reducing power output. In severe cases, restricted airflow can make the engine run rich, burning more fuel than necessary and increasing emissions. Over time, debris like dust, pollen, and road dirt builds up in the filter, making it important to replace it at the recommended intervals.

Ignition System Issues

Your spark plugs, ignition coils, and related wiring all work together to ignite the air-fuel mixture inside the cylinders. Worn spark plugs or failing ignition coils can cause misfires, which reduce engine performance and efficiency. Misfires may also trigger your check engine light, especially if they happen frequently. Ignition problems can start subtly, with occasional hesitation, but they often get worse quickly.

Exhaust System Blockages

If the exhaust system is blocked or restricted, gases can’t leave the engine efficiently. This increases backpressure, which makes it harder for the engine to “breathe.” A clogged catalytic converter is one of the most common causes of this issue. Not only does it reduce performance, but it can also cause the engine to overheat, triggering warning lights. If you notice your car losing power alongside a rotten egg smell from the exhaust, the catalytic converter may be the culprit.

Transmission Troubles

Sometimes, a loss of power isn’t caused by the engine at all. If your transmission is slipping or not shifting properly, it can feel like the engine is weak. In an automatic transmission, worn clutches, low transmission fluid, or faulty solenoids can prevent power from transferring smoothly to the wheels. In a manual transmission, a worn clutch can cause similar problems, especially when accelerating under load.

Sensor Malfunctions

Modern vehicles rely on various sensors to adjust fuel delivery, ignition timing, and other key functions. If one of these sensors fails, such as the mass airflow sensor (MAF) or throttle position sensor (TPS), your car may enter “limp mode” to protect the engine. Limp mode significantly reduces power to prevent further damage, and while it’s a protective feature, it can make driving difficult until repairs are made.

Fuel Quality and Contamination

Bad fuel can cause immediate performance issues. If water or debris enters the fuel system, it can disrupt combustion and lead to rough idling, hesitation, or stalling. While this is less common, it can happen if you fill up at a station with contaminated storage tanks. Using high-quality fuel from reputable stations can help prevent these problems.

How to Diagnose the Problem

If your car feels underpowered, we can run a diagnostic scan to check for trouble codes stored in the engine control module. These codes can point to failing components or systems in need of attention. From there, tests like fuel pressure checks, compression tests, and visual inspections can narrow down the cause.

Preventing Future Power Loss

Regular maintenance is the best defense against performance problems . This includes replacing air and fuel filters on schedule, keeping spark plugs in good condition, and addressing warning lights promptly. Avoiding aggressive driving can also help preserve both engine and transmission health.

Restore Your Car’s Performance with Professional Service

At Tom’s Auto Maintenance in Milwaukee, WI, we specialize in diagnosing and repairing performance issues so you can get back to confident driving. Whether it’s a fuel system cleaning, ignition repair, or transmission service, our team will pinpoint the cause and restore your vehicle’s power.

Schedule an appointment today and enjoy smooth, responsive acceleration on every drive.

How Do I Know If My Shocks Are Worn Out?

Fri, 25 Jul 2025 14:00:43 GMT

Your car’s shocks (shock absorbers) play a crucial role in providing a smooth, controlled ride. They don’t just make driving more comfortable — they’re essential for vehicle safety, helping your tires maintain contact with the road during bumps, turns, and sudden maneuvers. Over time, shocks wear out, and failing to address this can lead to poor handling, longer stopping distances, and excessive wear on other suspension components. Knowing the signs of worn-out shocks can help you address problems early and keep your car safe and comfortable.

What Do Shocks Do

Shocks control the rebound and compression of your car’s suspension springs. When you hit a bump, the springs absorb the impact, and the shocks prevent the vehicle from bouncing excessively afterward.

Good shocks keep your tires firmly planted on the road, which is essential for steering, braking, and overall stability.

Signs Your Shocks Are Worn

Bouncy or Unstable Ride

A common symptom of worn shocks is a bouncy ride. If your car continues to bounce after hitting a bump or feels unstable when driving over rough surfaces, your shocks may no longer be controlling the suspension effectively.

This instability can make it harder to control your car and increases the risk of losing traction.

Nose Dives and Rear Squats

During hard braking, you might notice the front of your car diving sharply toward the ground, known as a "nose dive." Conversely, if the rear squats or sags when accelerating, it's another sign of worn shocks.

Both of these issues indicate that your shocks can no longer properly control weight transfer.

Uneven Tire Wear

Worn shocks can cause your tires to lose consistent contact with the road, leading to uneven or "cupped" tire wear patterns.

If you notice unusual tire wear, it could be a sign that your shocks (or other suspension components) need attention.

Longer Stopping Distances

When shocks are worn, your tires may not maintain proper contact during braking, which can increase stopping distances.

In an emergency stop, this could mean the difference between a close call and a collision.

Leaking Fluid

Shocks contain hydraulic fluid that helps dampen suspension movement. If you see oil leaking down the side of your shock absorbers, it’s a clear indication that they’ve failed and need to be replaced.

Excessive Body Roll

If your car leans excessively when turning corners, it might mean your shocks can’t handle lateral forces effectively.

This not only reduces your vehicle’s handling but also compromises safety during sudden maneuvers.

Why You Shouldn’t Delay The Repair

Driving with worn shocks affects more than just comfort — it impacts safety. Reduced traction, longer braking distances, and unpredictable handling all increase the likelihood of accidents.

Worn shocks can put extra stress on other suspension parts, leading to further, more expensive repairs down the line .

How Long Do Shocks Last

The lifespan of shocks depends on factors like driving style, road conditions, and vehicle load. Generally, shocks can last between 50,000 and 100,000 miles, but regular inspections are crucial to determine their actual condition.

Drivers who frequently travel on rough roads or carry heavy loads may need to replace shocks more often.

Importance of Professional Inspection

Diagnosing worn shocks isn’t always straightforward. A trained technician can perform a thorough suspension inspection, checking for fluid leaks, bounce tests, and worn bushings or mounts.

They’ll also inspect related components to ensure your entire suspension system functions safely and efficiently.

Trust Tom’s Auto Maintenance in Milwaukee, WI

At Tom’s Auto Maintenance in Milwaukee, WI, we understand how vital shocks are to your vehicle’s safety and ride quality. Our experienced technicians are trained to detect signs of suspension wear and recommend the right repairs to keep your car performing its best.

If you've noticed bouncing, unusual tire wear, or longer stopping distances, don’t wait. Schedule an inspection with us today, and let us help you drive with the confidence and comfort you deserve.

What Happens When You Skip The Coolant Flush?

Fri, 27 Jun 2025 14:45:03 GMT

Most drivers know that coolant helps keep the engine from overheating, but what many overlook is that coolant does much more than that. It also prevents corrosion inside the radiator, heater core, and engine and helps maintain optimal engine temperatures in both summer and winter.

Over time, coolant degrades. It becomes less effective at regulating temperature, and the additives that protect your engine’s internals wear out. That’s why regular coolant flushes are important. Skipping this service may not cause problems immediately, but the damage builds quietly and can lead to expensive repairs if left unchecked.

What a Coolant Flush Does

A coolant flush removes the old, degraded antifreeze and any contaminants that have built up in the system. This includes rust, scale, and other debris that circulate through the cooling system as parts age and wear.

Flushing the system thoroughly and refilling it with fresh coolant restores proper temperature control and corrosion protection. It also gives a technician a chance to check for signs of leaks, failing hoses, or other cooling system problems that could be developing behind the scenes.

What Happens When You Delay or Skip It

Skipping a coolant flush allows old coolant to linger and continue breaking down. As the fluid loses its protective qualities, corrosion begins to form inside the radiator, water pump, thermostat, and engine passages. This buildup restricts flow, reduces cooling efficiency, and increases the risk of overheating.

Another common issue is sludge. When coolant degrades, it can thicken and mix with contaminants to form a sludgy residue. This sludge can block narrow passages in the heater core or radiator and force your engine to work harder to stay cool.

In extreme cases, neglecting coolant service can lead to a blown head gasket, cracked cylinder head, or complete engine failure due to overheating.

How Often Should You Flush Your Coolant

Most manufacturers recommend a coolant flush every 30,000 to 60,000 miles, although this interval may vary depending on the type of coolant used and your driving habits. Some extended-life coolants claim to last over 100,000 miles, but even in those cases, the system should still be checked regularly for contamination or leaks.

Vehicles that experience a lot of stop-and-go traffic, heavy towing, or long drives in hot weather may benefit from more frequent cooling system inspections.

Warning Signs That Your Coolant Needs Attention

Even if your car hasn’t reached the recommended mileage interval, certain symptoms might indicate that your coolant isn’t doing its job. These include:

Engine running hotter than normal
Sweet smell coming from under the hood
Visible coolant leaks on the ground
The coolant reservoir looks rusty or sludgy
Low coolant level that keeps dropping

These signs shouldn’t be ignored. Catching them early could save your engine and prevent a roadside breakdown.

Can You Just Top Off the Coolant Instead

Topping off coolant is fine if you're low, but it’s not a substitute for a full flush. Simply adding new fluid to old won’t remove the contaminants that have built up or restore the cooling system’s full protective abilities.

It’s like topping off dirty engine oil—you might add volume, but you’re not solving the root of the problem. A full flush is needed to clean the system and restore its performance.

Protect Your Engine with a Coolant Flush from Tom's Auto Maintenance in Milwaukee, WI

Your vehicle’s cooling system works hard year-round to keep your engine running smoothly. Skipping a coolant flush might save a few bucks now, but the long-term consequences can be far more costly.

Call Tom’s Auto Maintenance in Milwaukee, WI, today to schedule a coolant flush. We’ll help your engine stay cool, clean, and protected no matter what the temperature outside.

What Happens If I Skip an Oil Change?

Fri, 30 May 2025 14:45:21 GMT

Skipping an oil change may not seem like a big deal at first. After all, your car might still run, and you might not notice any immediate issues. But engine oil is one of the most important fluids in your vehicle, and postponing or neglecting it can cause wear, overheating, and long-term damage that may cost far more than a basic service visit.

Engine Oil Does More Than You Think

Oil does more than just lubricate moving parts. It also helps regulate engine temperature, reduce friction, suspend contaminants, and keep sludge from forming. Over time, heat and pressure break down the oil’s chemical structure. Additives become less effective, and the oil begins to lose its ability to protect your engine.

As the oil degrades, it thickens and becomes dirty. Instead of helping the engine run smoothly, old oil can begin to circulate harmful debris that wears down internal parts. What started as a preventive task can quickly turn into a repair situation.

Wear and Tear Increases Rapidly Without Fresh Oil

The moving components inside your engine operate under high pressure and tight tolerances. When fresh and clean engine oil forms a thin protective film between these parts. Once the oil wears out, metal parts can begin to rub directly against one another. This metal-to-metal contact increases friction, heat, and overall engine wear.

You may not feel the effects right away, but the damage is cumulative. Pistons, crankshafts, camshafts, and valve components are all vulnerable without proper lubrication. These parts are expensive to repair or replace, and once the damage is done, it’s often irreversible.

Oil Filters Can Only Do So Much

Every oil change includes replacing the oil filter, and for good reason. The filter traps dirt, metal shavings, and carbon deposits as the oil cycles through the engine. However, filters have a limited capacity. When you delay your oil change too long, the filter becomes clogged and can no longer protect the engine effectively.

Some systems include a bypass valve that allows oil to flow even when the filter is blocked. But this means the oil bypasses the filter entirely, circulating contaminants freely throughout the engine.

Heat Builds Up and Breaks Down Your Engine

Clean oil helps carry heat away from engine parts. But as it ages and thickens, it loses its ability to cool effectively. This can lead to hot spots inside the engine and increase the risk of overheating.

Overheating doesn’t always trigger the temperature gauge right away. Internal parts like piston rings, bearings, and valve guides can begin to warp or fail under prolonged high heat. This type of damage usually shows up down the line as strange engine noises, loss of power, or poor fuel economy.

Skipping Oil Changes Can Void Your Warranty

Most vehicle warranties require you to follow the manufacturer’s recommended maintenance schedule. That includes regular oil changes at specific intervals based on mileage or time. If you skip service and something goes wrong, your warranty claim may be denied.

Even if the failure isn’t directly caused by the oil, the dealership or automaker can request service records before honoring a warranty repair. Skipping maintenance puts you at risk of paying out of pocket for something that might have been covered.

Symptoms That Your Oil Is Overdue

If you’ve gone past your recommended oil change interval, your car might start giving you subtle (or not-so-subtle) signs. These can include:

A check engine or oil warning light
Loud ticking or knocking sounds from the engine
A burning oil smell inside or outside the vehicle
Rough idling or sluggish acceleration
Dark, dirty oil on the dipstick

These symptoms often mean the oil is no longer protecting the engine properly. Acting quickly can help avoid further damage.

Tom’s Auto Maintenance – Quality Oil Service in Milwaukee, WI

At Tom’s Auto Maintenance , we help our customers in Milwaukee stay ahead of costly repairs by offering quick, reliable oil changes that protect your engine’s longevity. With two convenient locations, we make it easy to stay on top of your car’s maintenance schedule. Whether it’s been a few extra miles or you can’t remember your last oil change, stop by and let our team get your vehicle back on track.

Protect your investment and keep your engine running like it should—schedule your oil service with us today.

8 Spring Maintenance Tips That Prevent Summer Breakdowns

Mon, 28 Apr 2025 13:45:00 GMT

Spring might feel like a break from the challenges of winter driving, but your car doesn’t get to relax. In fact, this season is your best chance to catch up on overlooked maintenance and prep your vehicle for the hotter months ahead. From rising temperatures to family road trips, summer brings unique stress to every system in your car.

Catching small issues now could save you from sitting roadside later. Here are eight smart tips that can help prevent summer breakdowns and keep your vehicle in top shape.

1. Check and Replace Wiper Blades

Winter weather wears down your wipers more than you think. Between frozen windshields, ice scraping, and road grime, the rubber blades often come out cracked or misshapen. By the time spring rolls around, they may streak more than they clear.

Worn wipers aren’t just an annoyance—they’re a safety hazard in spring rainstorms or summer downpours. If your blades leave streaks or chatter across the glass, it’s time for a new set. They’re one of the easiest and most affordable upgrades you can make.

2. Inspect and Top Off Fluids

Your car relies on a variety of fluids to run safely and efficiently. If any are low or dirty, they can cause parts to wear out faster or even overheat. Spring is the perfect time to check under the hood and make sure everything’s clean, topped off, and ready for the heat ahead.

Engine oil is a must, but also check the condition and level of:

Coolant (vital for keeping engine temps in check)
Transmission fluid
Brake fluid
Power steering fluid
Windshield washer fluid

Dirty or discolored fluid is a sign it may be due for a change—not just a top-off.

3. Test the Battery Before Summer Heat Hits

Cold weather weakens batteries, but heat is what usually kills them. High temperatures cause the internal fluid to evaporate faster, especially if your battery is already weak or aging. If yours is more than three years old or has shown signs of hesitation during winter, now is the time to get it tested.

A simple battery check can tell you whether it’s holding a charge and if the connections are clean and tight. Don’t wait until it dies during a summer road trip or family outing.

4. Make Sure the A/C Is Ready for Prime Time

Few things are worse than discovering your air conditioning isn’t working on the first 90-degree day. If your AC is blowing warm air, takes too long to cool down, or has a musty smell, it’s worth getting it checked now.

Issues like low refrigerant, clogged cabin filters, or failing compressors can sneak up fast. An AC system that’s under strain will also pull more power from your engine, lowering fuel efficiency and comfort alike.

5. Inspect Belts and Hoses for Signs of Aging

Rubber components don’t last forever, and spring is a great time to inspect belts and hoses for cracks, leaks, or wear. The serpentine belt powers vital parts like your alternator and AC—if it snaps, you're stuck. Likewise, aging hoses can burst under pressure, causing your engine to overheat.

Don’t wait for a breakdown on a hot day to find out whether these parts need replacement. A quick visual check during an oil change or spring inspection can catch problems early.

6. Rotate Tires and Adjust Pressure

Cold temperatures cause tire pressure to drop, and when the weather warms up, pressure rises again. But if your tires weren’t rotated regularly over the winter, they may have worn unevenly. That affects not only safety but also fuel economy and ride comfort.

Check tread depth, look for cracks or bulges, and ensure the pressure is within the manufacturer’s recommended range. Properly maintained tires will grip better, last longer, and handle heat more effectively.

7. Replace the Cabin Air Filter

As the seasons change, your cabin air filter plays a huge role in your comfort. Pollen, dust, and road debris clog filters fast—especially in spring. A dirty filter reduces airflow, forces your blower motor to work harder, and can leave a musty smell in the cabin.

If you haven’t replaced it in the past 12 months, now’s the time. You’ll breathe easier, your AC will work better, and the interior of your car will smell fresher.

8. Give Your Car a Full Spring Cleaning

Beyond the mechanical care, don’t forget the body and interior of your car. Salt and grime from winter roads accelerate rust—especially around wheel wells, undercarriages, and door jambs. A thorough wash and wax not only protects your paint but also gives you a chance to spot small damage before it gets worse.

Inside, clean the floor mats, vacuum the carpets, and wipe down the dash and vents. A clean car doesn’t just look better—it feels better to drive, especially as you gear up for summer trips.

Tom’s Auto Maintenance – Your Spring Service Pros in Milwaukee, WI

Make sure your vehicle is ready for the road ahead with help from Tom’s Auto Maintenance in Milwaukee, WI. Whether it’s fluids, filters, belts, or brakes—we’ll inspect every system that matters before the summer heat arrives.