Reference and Technical Data for Auto Repair
The Difference Between a Sunroof and a Moonroof
The real difference between a sunroof and a moonroof, without all the hocus pocus.
Identify Your Headlight Bulb
Don't know what type of bulb your car takes? We'll show you how to identify that dead headlight bulb in a hurry.
It's all about the money, but in the Automotive Empowerment Zone, it's all about saving money.
Folder for Reference Pics Used Often in Auto Repair
This folder contains pics often referenced for auto repair. It will grow and grow.
What is Ignition Timing and Cam Timing?
If you're doing a tune up, or you have just replaced your timing belt, or installed a new head gasket, or anything else that involved your timing belt, you're going to need to set your ignition timing. Understanding what timing is can be a huge help.
How to Safely Drain Your Gas Tank
Draining fuel safely and cleanly from your fuel tank, whether it's due to bad gas or an upcoming repair.
What's This Fluid Dripping Under My Car?
Identify what is dripping under your car with this informative guide with pictures and smells. Very handy!
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.
How Does Fuel Injection Work?
Fuel injection was a marvel of automotive engineering. Single port and multi port fuel injection systems save fuel and add horsepower. They are much greener and more environmentally friendly than carburetors. How do fuel injection and fuel injectors work? What is a fuel rail? These are easy to answer when we make it simple.
What Type of Headlight Bulb Is This
IF you don't know what type or size headlight you have, you can use this chart to identify your old bulb, then go to the parts store or order online. Quick and easy. Halogen and old school.
Air Conditioning Dye Test
Warm air conditioning can be caused by a leaking air conditioning system, causing a freon leak. A common air conditioning leak test is a pressurized dye test.
How Does a Diesel Engine Work?
If you've ever wondered how a diesel engine works, and what the difference is between a diesel and a gas engine, here is a quick primer for you.
Ford Oxygen Sensor Locations for 4-Cyl and V8
This chart shows the location of O2 sensors in your Ford engine. Covers 5.0 Liter V8 and 4-cylinder engines.
Air Conditioning: How AC Works
If you understand your car's air conditioning system you can maintain your car's air conditioning system. A/C is not hard to work on if you understand how it works. Check out this A/C description and you'll be the air conditioning know it all.
Chevy 3.1 Liter EGR Valve Location
This illustration shows the exact location of the EGR valve in your 3.1 Liter Chevy V6. If your Camaro, Lumina or other Chevy V6 needs EGR valve cleaning or replacement, here you are.
Honda Accord EGR Valve And Coolant Temperature Sensor Locations
This photo shows the location of the EGR valve and coolant temp sensor on Honda engines.
1997 Chevy 3.1 Liter EGR Valve Location
This diagram shows the location of the EGR valve on a 1997 Chevy 3.1 Liter engine. It is similar in other years and models, so check it out to find your EGR valve.
Volkswagen Jetta Fuse Location Diagrams
This is a fuse map with amperage and other important information about fuses for your Volkswagen Jetta 1999 and newer.
Glossary of Welding and Welder Terms
This welding glossary contains short definitions of many common welding terms and tools.
Should I Buy a TIG Welding Setup?
What is TIG welding, and how is it different from the other types of welding and equipment?
How Does a MIG Welder Work?
Check out the basics of MIG welding and see how the pros get metalworking done.
OBD and OBD-II Code Listing
Redirect to OBD-Codes.com
How Does a Diesel Engine Work and Why is it Efficient?
Why is a diesel engine more efficient than an equivalent gasoline engine? What is a turbo diesel? There are a lot of physics in the answer to these questions, but I'll skip the high tech talk and give you the quick and easy explanations. It's interesting!
My Car Failed Inspection, Now What?
If your car has failed either your state safety inspection or an emissions inspection and test, you need to know what to do. Here is the info for every state that has a vehicle inspection law.
Diagnosing the Great EGR Error Code
Error Code P0401, your Check Engine Light, and how to avoid spending money to clean your EGR system.
Do You Need a Fuel Additive like Dry Gas?
Is it a good idea to use a guel additive in your gas tank to maintain the moisture level in your gas?
An Introduction to Auto Body Welding and Equipment
If you're thinking about trying your hand at automotive welding, here's an introduction to the types of equipment that are available to you, how much they cost, and how hard they are to use.
Automotive Metalworking: Here we Go!
Working on sheet metal for your car or truck is not as hard as it seems. Sometimes all it takes is a little knowledge and the guts to jump in.
Body Repairs You Can Do at Home
Simple car body repairs can be made at home for very little money compared to what you'd pay at the body shop. If you want to tackle the job yourself, here are some guidelines to help you decide how to go about it, and if it's a job you can do. From dents to scratches, from filler to paint, it can all be done to some degree in your driveway.