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Auto Repair: Most Popular Articles

These articles are the most popular over the last month.
What to Look For When You Just Can't Get Your...
If your car won't start, it might be the starter, or your wiring, or your fuel injection, cold start, key won't turn, hot start, and many more things.
What to Do if Your Car Won't Start or Even Turn...
If your car won't turn over, you could save hundreds of dollars by figuring out what's wrong on your own. It's worth a try!
What Does Your Car's EGR or Exhaust Gas...
The EGR valve is a crucial part of your car's emission control system. The EGR valve was an invention that made your car more efficiently burn its fuel and create fewer emissions. Do you need to know what an EGR valve is? Do you wonder whether you can replace your EGR valve? We'll help you out.
5 Ways to Tell Your Car is Overheating
There are many reasons why your car may be overheating. Take a look at this list of common causes of overheating and you will be closer to diagnosing.
Why Is My Car Shaking?
If your car is shaking, whether it's the steering wheel or something deeper, this checklist can help you figure out what's causing the problem.
Troubleshooting Car Problems: Why Don't I Have...
Cold weather is no time to be driving a car with no heat. Troubleshoot your no-heat problem to get to the bottom of the situation. Whether it's a quick repair or requires a trip to the shop, you'll get an answer for yourself.
Do You Know the Difference Between a Sunroof...
Every wonder the difference between a sunroof and a moonroof? Maybe the sunroof is for people who like to drive during the day and the moonroof is for night owls? Not likely, but the real answer is here for you to soak up. Check it out.
How to Fix Your Own Chipped Windshield
You can repair your windshield yourself with a windshield chip repair kit. We've tested them, and now we'll show you how to fix a chipped windshield using one of these kits. Save money, you don't need a replacement windshield, fix this one.
Is Your Car Idling Low, Fast or Just Badly? How...
In many ways, engine idle is a good measure of your engine's health. If anything is going wrong under the hood, there's a good chance it will be affecting your car's idle speed and quality. Problems with idle speed, things like slow idle, low idle, bad idle, lumpy idle, fast idle -- these are symptoms that should be investigated, troubleshooted, diagnosed and repaired.
How to Jump Start Your Car With Jumper Cables
If you aren't sure how to connect jumper cables to your battery, be sure to read this before you try to give your car a jump. Serious damage can result from misplaced jumper cable connections.
Diagnosing Automatic Transmission Problems With...
When you have automatic transmission issues, a simple auto transmission checklist will help out to diagnose your aiutomatic transmission problems.
How to Clean Your Car's ABS Wheel Sensor
The ABS light can be triggered by a number of symptoms. Before you decide to take the car in, you might want to take a look at your ABS wheel sensors.
Timing Belt Tech Data and Replacement Intervals
Timing belt replacement information for most makes including Honda, GM, Chevy, Chrysler, Acura, Audi, Volkswagen, Volve, Toyota, Ford, and many more.
What to Do if Your Car's Brake Pedal is Low or...
It can be hard to diagnose a brake problem, but troubleshooting your brakes doesn't have to be impossible. Whether it's low brake pressure or a pedal that's hard to press, this brake troubleshooting guide can help you figure out what's wrong with your brakes.
When and How to Clean Your Car's EGR Valve
Before you replace your exhaust gas recirculation (EGR) valve, many people try cleaning it. It's easy to clean your EGR valve, and here's how to do it.
What to Do When Your Car Key Won't Turn in the...
Ever get in your car and you can't even turn the car key? Everything seems stuck. There's an easy way out of this jam, and it won't cost you a thing.
Replacing the Battery in Your Car's Keyless...
We rely on the remote unlock, lock, and alarm functions on our car or truck key fob, or key chain. This keychain remote has batteries that go dead. If you have a dead or weak battery in your car remote, you will lose range or not be able to use it at all. Replacing your car remote battery is easy. You can replace the battery in 5 minutes or less. We'll show you a Honda remote and a Mercedes Benz remote as examples.
What to Do if Your Car is Using too Much or...
If your oil level drops between oil changes you might have a problem. Troubleshoot your oil consumption problems to see if you need to make a repair. Engines may be burning oil or leaking oil, or you might have oil in the antifreeze.
How to Flush Your Car's Radiator
This step shows how to drain your radiator of coolant in preparation to flush the cooling system. Page 2.
Changing Your Own Fuel Filter Step-by-Step
To safely install a new fuel filter, you need to depressurize the fuel system. Failing to do this can result in a powerful spray of gasoline.
Save Time and Money By Replacing Your Headlight...
If you don't replace your own headlight, you'll pay big at the shop. It takes 5 minutes, and you'll save lots of money by installing it yourself.
What is Antifreeze?
What is antifreeze? What is coolant? Are they the same thing?
How to Replace The Turn Signal Relay on Your Car
If your turn signals aren't working, they won't come on or they blink rapidly, you need to replace your turn signal relay (also known as the flasher relay). The turn signal relay or flasher relay is usually easy to access so that you can repair your turn signals without spending a lot of time troubleshooting.
How to Check or Refill the Coolant in Your Car
Don't let your car run hot because it's low on coolant. It's easy to check the coolant level in your radiator. It should be part of your regular maintenance routine and only takes a second.
How to Replace The Brake Pads on Your Car
Changing brake pads is easy to do yourself. I will tell you step by step how to replace brake pads. With photos. Brake pad installation is not difficult, and with this step-by-step instruction you can save big money. Replacing your brakes (disc brake pads) can be done quickly, If it's time to install new brake pads on your car, be prepared.
How to Use a Dipstick to Check Your Oil
Checking your oil with your car's dipstick is the single most important thing you can do to extend the life of your car and keep your engine healthy.
What to Do if Your Car Shimmies, Bumps or Has...
Suspension problems are hard to diagnose. Whether you have shakes, shimmies, vibrations, or bumps, we can help troubleshoot with you.
How to Replace Your Car's Water Pump Step-by-Step
Before you panic, you should be sure your water pump has failed. There are some definite signs to look for that can help you diagnose a broken water pump or troubleshoot the problem further to see what the problem may be. If you need a new water pump, our step by step instructions can help you save big money by replacing it yourself. Page 2.
4 Minor Things Your Car's Check Engine Light...
Learn about the common triggers that can cause your Check Engine light to come on for almost no reason at all, to save you money and your safety.
What Is the Battery Light on Your Dashboard...
The dash lights on your car all mean something. Be sure you know what to do if your battery light comes on while you're going down the road.
Replace Your Car’s Burnt-Out Bulbs in 4...
It's not safe to drive around without all of your lights shining brightly. Every bulb on the outside of your car has a safety function.
How to Bench Test Your Car's Ignition Coil and...
Your ignition coil can be the culprit in many automotive troubleshooting situations. You will need to test your coil to see if its bad.
What Does an Antilock Braking System Do and How...
How does ABS work? What is my antilock braking system doing? Here is a guide to the ins and outs of your car's ABS brakes and the system that runs them.
What's That Stuff Leaking Out Under Your Car?
If you think that you have a power steering fluid leak, take a sample of the fluid from your driveway or parking space and compare to this easy guide. Page 3.
Understanding OBD or On Board Diagnostics and...
Engine codes are the language of your car's diagnostic system. Don't speak OBD II? Don't worry, we've got you covered with this database.
How Does My Ignition System Work?
Without an ignition coil, distributor cap, rotor, spark plug wires and spark plugs, you can't do much at all with a tank of gas.
How To Perform a Compression Test on Your Car's...
Your engine's compression can tell a lot about its inner health. Compression tests will reveal these numbers and allow you to troubleshoot the problem.
How to Replace Your Car's Fuel Injector Yourself
If you need to replace a fuel injector, this is how to do it. Step by step, with photos. Ready for printout. Be prepared!
What Is Your Dashboard Oil Light Trying to Tell...
If you see your dashboard brake light or oil light illuminated, you should start troubleshooting the reason behind the light to avoid expensive repairs.
DIY: How to Replace Your Diesel Glow Plugs
DIY: How to Replace Your Diesel Glow Plugs from your About.com Guide to Auto Repair
How to Repair Your Car's Plastic Bumper
If you're driving around with bumper damage, you can repair it at home and spend very little money in the process. Check out how we repaired this plastic bumper cover for less than $100. It was torn, scratched and had multiple holes in it. The result was a superb value for the cash outlay.
How to Check the Power Steering Fluid in Your Car
There's no reason to drive around with malfunctioning power steering. Find out if it's a simple fix by checking your power steering fluid level.
What Blue, White, Gray or Black Smoke in the...
Your exhaust pipe has smoke coming out of it. What color is the smoke? What does blue smoke mean? White smoke? Your exhaust tells a story of what's going on inside your engine. You can use your exhaust smoke color to troubleshoot your engine's health.
How to Test Your Car's Ignition Coil Without...
A bad coil means no spark, so testing your ignition coil is an important step in troubleshooting an no-start or a no-spark issue.
How to Drain Your Car's Gas Tank Safely
If you've ever needed to drain your gas tank, you know how frustrating it can be. The problem was you were lacking good equipment and good advice. I'll show you how to do it right.
How Does Your Car’s Alternator Work?
How does an alternator work? What does an alternator do? If you've ever wondered what's going on inside your alternator, read up here.
How to Replace Your Fuel Tank Sending Unit
If your gas gauge readings are bad, or you know that you need to replace your fuel sender, replacing the sending unit isn't difficult. In most cars the fuel sender, also known as the fuel sending unit that controls your gas gauge readings, is in an accessible location to repair yourself.
How to Wet Sand Your Car's Primer or Paint
Wet sanding is a simple process that, when done right, can produce amazing results. Whether you are trying to prep your car for a paint job or revive a tired finish on your old car or truck, you should have wet sanding as part of your restoration arsenal. Learn how easy it can be done, and how to do it properly here.
How To Replace Your Serpentine Belt, Fan,...
You'll have to release the tension on the old belt to get it out before you can install a new serpentine belt. This step and others in this tutorial can guide you through the process of belt replacement. Page 3.
How Do Diesel Engines Stack Up Against Gas...
Are diesel engines as reliable as Gas engines? Is a diesel engine more reliable than a gas engine? Does a diesel engine get better gas mileage than a gasoline engine?
Repairing Your Overheating Engine
When the weather is warm, we rely on our car's cooling system to keep temperatures in the engine compartment under control, and keep us on the road. Your cooling system is a series of components that circulate coolant through the engine to absorb heat, then circulate air around the coolant to get it out. If any part of the system stops working, you're on the side of the road while your engine takes a steam bath.
Why is My Car Battery Dead?
You may have solved your dead battery with a jump start, but what is causing the battery to drain so often? Here are some ideas to check out.
How to Replace the Universal Joint on Your Car...
If your universal joint or drive shaft is making noise, you may need to replace your universal joint. This printable step-by-step how to with detailed photos will help you replace your universal joint and save lots of cash.
Where Can I Find the Fuses in My Volkswagen...
This is a fuse location map with amperage and other important information about fuses for your Volkswagen Jetta 1999 and newer. It shows things like brake lights, headlights, turn signals, etc.
Knowing When You Need to Add Motor Oil and How...
Sometimes you need to top off your engine's motor oil. It's easy, and doesn't even have to be messy. Engine oil is vital to your car. Follow our tips and you won't make any mistakes.
How to Replace a Blown Automotive Fuse
Need to replace an automotive fuse? Let me show you how. It's so easy there's no reason to pay your mechanice to do it for you. Page 2.
How To Test a Circuit Using a Test Light
A circuit tester is an important troubleshooting tool when you are trying to diagnose an electrical problem with your car.
How To Replace Your Torque Converter Clutch...
How To Replace Your Torque Converter Clutch Solenoid (GM) from your About.com Guide to Auto Repair
Spark Plug Installation: A How to Guide for...
Spark plugs wear out every 10,000 miles or so. Luckily, replacing spark plugs is a 15-minute job that doesn't cost much at all.
What's Wrong With Your Car's Rear Defroster
If your rear defrost is not working, there are a number of things that could be causing it. This step by step troubleshooting and repair guide can help you figure out what the cause is, and show you how to fix it cheaply.
How Does Your Vehicle's Cooling System Work?
Understanding how your cooling system works is very important to understanding how to troubleshoot your cooling system if you have an overheating problem.
9 Simple Steps to DIY Dent Repair
Repairing a dent in your car body is not difficult. It just takes patience to sand, wet sand, color sand and fill the dent using body filler like Bondo.
How to Replace Your Car's Front Wheel Bearings
Replacing a wheel bearing isn't the easiest job, but when you need to replace a wheel bearing, you'll know it. We'll show you how to replace a front wheel bearing without going nuts.
Renew Your Headlights!
I've tried the rest and I think I've found the best headlight restoration kit on the market. Check out how easy it is to make your headlights look (almost) new again.
Knowing When You Need New Windshield Wipers and...
Don't pay the inspection station or shop to replace your wipers. Save big and do it yourself with this step-by-step guide including great photos!
Trailer Wiring Diagram and Color Chart
This is the trailer wiring colors and location on a standard trailer wiring harness. If you need to know what color wire goes to what, see this chart.
6 Steps to DIY Master Cylinder Repair
If you're experiencing low brake pressure, bad pedal feel, or any other problems with your brakes, you might need to replace your master cylinder.
Plugs Aren't Just for Hair...6 Steps to...
You can plug your own flat tire for about $5. Buy a tire repair kit and use this guide to learn how to repair your flat tire safely in about 15 minutes.
Understanding Wheel Alignment
If you hit a serious bump you might need to get an alignment. Alignments are not expensive usually, and include adjustments of suspension like camber, caster, toe in, toe out, thrust, and 4-wheel alignment. Let us show you definitions of what all of these things mean to you and the health of your car or truck. Page 2.
How to Use Tow Straps, Hooks and Cables to Tow...
If you get stuck or need a short pull, a tow strap can really help you out. Be careful to use it correctly and safely. We'll show you how.
Where Are the Oxygen Sensors on a Ford V8?
If you are trying to locate or replace your oxygen sensors in your Ford, this chart will tell you where they are located.
Troubleshooting Steering & Suspension Problems
Troubleshooting Steering & Suspension Problems, from your About.com Guide
How (and When) to Replace Your O2 Sensor
\These instructions will tell you how you can determine whether or not you need to replace one or more of your oxygen sensors.
Antifreeze: Red or Green?
What is the difference between red and green anti-freeze?
How To Test Your Car's Cigarette Lighter or...
Is your phone charger on the fritz? A quick test of your car's cigarette lighter or 12V accessory socket can rule out the power source as the culprit.
Engine Overheating Quickly and on Short Trips
When the weather is warm, we rely on our car's cooling system to keep temperatures in the engine compartment under control, and keep us on the road. Your cooling system is a series of components that circulate coolant through the engine to absorb heat, then circulate air around the coolant to get it out. If any part of the system stops working, you're on the side of the road while your engine takes a steam bath. Page 2.
How to Bench Bleed Your Master Cylinder in 5...
If you have to replace your master cylinder, you will have to bleed the brakes. But how much you have to bleed your brakes after you install a new master cylinder may depend on your preparation. We'll show you how to bleed your master cylinder before you install it, making it much easier to get your brakes up to par and get back on the road.
How to Keep Your Car's Battery Connections Clean
If your battery posts are all cruddy, systems in your car can grind to a halt electrically. The most important function of your battery is starting the engine, but if your battery is covered with corrosion often times you can't get a good connection, and thus no start. Even with a jump start, you'll be in the same boat next time you get in the car. Cleaning your battery posts doesn't take any time at all, and the rewards can be large.
How to Repair Your Car's Leather Seats
If you have a hole in your leather seat or your leather seat is worn out and showing wear, there is an easy way to care and repair it.
How To Test The Main Relay on Your Honda
Before you replace the main relay in your Honda Civic, Accord, Prelude, CRX or other Honda, be sure you perform this fairly simple test.
Need Help With Your Honda Hot Start Problem?
If your Honda Accord, Civic, Prelude, CRX or other won't start when it's hot, you are suffering from a common Honda no-start problem.
How to Repair or Install the Wiring on Your...
It's important to test your trailer lights functionality on a regular basis. If you find a problem in your trailer wiring, you can repair it fairly simply. This guide can really help out if you're trying to figure it all out.
How to Get an Auto Repair Manual for Your Vehicle
Everybody needs a car repair manual for their car. A repair manual will guide you through auto repairs and maintenance. You can buy your auto repair manual online. If you don't have a repair manual for your car, get one today!
How To Replace Rear Brake Pads for Disc Brakes
Replacing rear brakes is only slightly different from replacing front brake pads. We'll show you how to make the repair and troubleshoot. Page 2 of 5.
Is Synthetic Motor Oil Just a Scam or the Real...
Look on the shelf of your local auto parts house and you'll see more oils than breakfast cereal choices at the supermarket. It wasn't so long ago that you had about a half dozen to pick from, and since they were all made from the same gunk, it didn't matter much anyway. Then in the early 1970s popped up a new batch of lubricants -- synthetic oils.
Can Engine Oil Stop Leak Live Up to Its Name?
A comprehensive review of the Bar's Engine Oil Stop Leak. Does it work?
Use This Simple Trick to Remove a Seriously...
It can be corrosion, gunk, goop or just general tightness, but none of these things can keep your stuck car wheel on with this handy trick.
What's Making That Grinding Sound When You Hit...
If your car's making a grinding sound when you stop, it's not something to ignore. Brakes can be expensive to repair if you wait too long.
Firing Order Reference - START HERE!
If your plug firing order is not correct, the car will run sickly or not at all. Stuttering, spitting, backfiring and no-start can be caused by incorrect spark plug wire placement which results in an incorrect firing order. The firing sequence of your plus is determined by the distributor, but if the spark plug wires aren't in the right firing order the engine will not run correctly.
8 Simple Steps to Changing Your Own Oil
Filling your car with oil may seem easy, but here are a couple of steps to make it go smoothly. Page 7.
DIY: Repairing Your Rear Window Defroster
What you need to know about Repairing Your Rear Window Defroster from your About.com Guide to Auto Repair
Tick Tick Tick, Troubleshooting By Ear
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >So you're hearing
Power Steering Fluid Symptoms
If your power steering is noisy, screeching, squealing, or if your power steering is weak or jumpy, you may simply need to add some power steering fluid.
How to Fix a Broken Exhaust Hanger on Your Car
Installing a new exhaust hanger is an easy muffler repair that can save you money now and later. Exhaust hangers are cheap to buy and easy to replace, much cheaper than a ruined muffler, tail pipe, or exhaust system.
Battery Testing, Maintenance And Myths
DIY: Replacing A Steering Rack from your About.com Guide to Auto Repair
How to Repair Your Car's Brake Line
Brakes are very important to your car, probably at the top of the list. If your brake lines become brittle, they need to be replaced.
Ford Expedition Transmission Diagnosis
Your Auto Repair Questions Answered by your About.com Guide to Auto Repair: Ford Expedition Transmission Diagnosis
How to Inspect Your Spark Plug Wires
A short in your spark plug wire can cause your car to run rough, affect your gas mileage adversely and even cause dangerous situations under the hood!
How to Prepare Your Car for Winter Driving
With winter weather on the horizon for much of the country, it's time to get your car ready for the upcoming winter driving wonderland with some auto maintenance. Taking half an hour to check a few key safety points on your car can save you time, money and really cold feet. Take care of these things now and avoid turning the season into a winter driving blunder-land.
Never Wonder What ‘That’ Part is...
If you're trying to fix your car, you need to know the lingo. We define everything from the axle to the ZEV.
Does Your Serpentine Engine Belt Need Replacing?
You should inspect your serpentine belt twice a year, and if it shows wear, you should replace it. Replacement is not something to play with.
How to Replace Struts on Your Own Car or Truck
Step by step instructions on how to replace struts in your car or truck. Learn from a pro with tools you have in your tool box.
Replace Your Rear Suspension Bushings in 8...
If your car seems to thump and bump more than it used to in the rear, you may need to replace your rear suspension bushings.
How To Replace a PCV Valve on Your Own Car
If your PCV valve becomes clogged, your car's performance will suiffer. Poor idling, loss of gas mileage, slow acceleration, loss of power - all of these things can be caused by a clogged PCV valve. Replacing your PCV valve is not hard at all, and it's a repair that will make a difference in the long run.
Dash Lights: The Brake Light on Your Dashboard
Your car's dash board is full of lights. Some are important, some are decoration. When you are troubleshooting an issue based on a warning light be sure you know what's important.
How To Replace a Broken Outside Rear View Mirror
If you or your loved one has destroyed one of your door mounted rearview mirrors, you're probably looking at a high repair cost. The good news is that you can replace your own broken door mirror and save hundreds. This easy to follow step-by-step will show you how easy it can be. Get to it!
How to Avoid Muffler Problems By Tightening 1...
If you hear noise underneath your car that rattles and vibrates, you might not need expensive muffler repair with a little investigation.
Diagnosing GM Converter Lock-Up Problems
Diagnosing GM Converter Lock-Up Problems
Used Auto Parts: Good Idea?
When is it ok to buy used auto parts for auto maintenance or repair? That's a good question. Used auto parts can save you lots of money, but choose carefully or you might be doing the same repair twice.
How To Replace Spark Plug Wires
If your spark plug wires are worn, you need to install new spark plug wires. Installing plug wires is not difficult, but can be disastrous if you do it wrong. If you need help replacing your spark plug wires, we're here to help.
Truth About Flat Rate Auto Repairs and How They...
Most shops these days operate within a system known as flat rate. If your shop works on a flat rate repair pay scale, what does that mean?
How to Use Torch Heat to Remove a Stuck Bolt
Some bolts just won't budge. You can use a penetrant like PB Blaster, Liquid Wrench or WD-40, but to really get it free you might need to apply heat.
Auto Repair DIY: How To Replace a Ball Joint...
Do you need to know how to replace a ball joint? Ball joint replacement is not that difficult with these instructions and step by step how-to guide with photos. Replace your ball joints today.
What Tools You Need to Get Started in Auto Repair
You can work on your own car, but what do you need to get started? Check out this short checklist of things that you must have before you launch into your career of DIY auto repair.
Can a Flat Tire Fix Really Come From a Can?
We've all seen it on the shelf, that yellow can claiming it can repair tires in your moment of distress. But will it really work?
How to Silence Your Car's Squealing Belts
A squealing belt can be maddening. Have you ever pulled into a parking lot with a squealing belt only to have everybody staring at you?
DIY: Repairing Paint Chips
The moment you have been dreading has arrived. You have to go to the mall in your beautiful, expensive, brand new car.
Volkswagen Jetta Fuse Map
Your Auto Repair Questions Answered by your About.com Guide to Auto Repair: Volkswagen Jetta Fuse Map
DIY: How To Replace/Rebuild A Brake Master...
DIY: Replacing A Steering Rack from your About.com Guide to Auto Repair
4 Engine Noises That Might Mean Trouble for...
Troubleshooting is the most important part of auto repair. If you can properly troubleshoot a problem, you won't waste time and money fixing things that don't need to be fixed. If you can troubleshoot your bad engine performance, engine missing, misfiring, overheating, sounds like bad news, or other engine problems, you can repair them and be back on the road. Page 2.
How the Automatic Air Conditioning in Your Car...
These are many parts that make up your car's AC system. Understanding what each does will make it much easier for you to know what's gone wrong. Page 2.
How To Troubleshoot When Your Car's Not Running...
Troubleshooting is the most important part of auto repair. If you can properly troubleshoot a problem, you won't waste time and money fixing things that don't need to be fixed. If you can troubleshoot your bad engine performance, engine missing, misfiring, overheating, sounds like bad news, or other engine problems, you can repair them and be back on the road.
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