Rotate TiresOn many cars it is very simple to rotate tires. You just remove them and move them to the appropriate spot (front to back, back to front), then re-install them.In the last few years however this have become a much more difficult job. Most cars these days have what is called a "Tire Pressure Monitoring System" or TPMS. There are also a lot of "all wheel drive" cars on the road. These tw...

What does P0401 code mean? Find what causes it and learn how to fix this check engine code from a mechanic who has done it countless times.This trouble code "insufficient EGR flow" means that there is not enough exhaust gasses flowing back into the incoming air to the engine. EGR stands for "exhaust gas recirculation". The EGR system consist of three parts: EGR valve, DPFE (differential pressure s...

Before you start air conditioning troubleshooting you need to realize that it is not as easy as you might think. There are many things that can go wrong when trying to fix your AC system yourself.Probably the most common problem that people run into when attempting DIY A/C repairs is that they get dirt and other debris in the system and/or they don't put the correct amount of freon in the ac syste...

Is the brake light on dashboard lighted up? Then you must pay attention because your vehicle is trying to tell you that there is something wrong with your braking system.Sometimes this icon will illuminate along with the ABS light and sometimes it will turn on by itself. Since your braking system is the most important safety mechanism in your car or truck, you need to be sure that it is in working...

Valve Spring Inspection Valve springs should be inspected before installing them on the cylinder head. In fact, all valve train components and their geometry should be checked before reassembling the valve train. Valve springs are made from different metals depe...

Headlight bulb replacement can be easy, but there are things you should know. It is essential to be ready to fix your cars lights if they even have a problem. Not only is a burned out light a safety issue, but also it can cost you if you get pulled over by police for this problem. Fixing this issue yourself can be done, but you need to know a few things first.The Truth Behind Headlight Bulb Replac...

If the driver’s experience with automatics and manuals is quite different, what’s happening under the hood is largely the same. Both types work to allow your engine to operate within a narrow range of speeds while allowing the car itself to experience numerous output speeds.In both types of cars, gears are used to leverage the engine’s torque and allow that engine to keep whirring along at a reaso...

What is a master cylinder and what does it do? It is an integral part of a braking system that is used to transfer energy or power from the brake pedal to the brake pads and shoes in order to safely stop the vehicle.Your brake pedal is connected to the brake master cylinder. When you step on the pedal, a small rod is pushed into it. This pushes on a piston inside a bore (hole) in the cylinder. Thi...

Auto Air Conditioning TroubleshootingBefore you start air conditioning troubleshooting you need to realize that it is not as easy as you might think. There are many things that can go wrong when trying to fix your AC system yourself.Probably the most common problem that people run into when attempting DIY A/C repairs is that they get dirt and other debris in the system and/or they don't put the co...

Filter replacement is a big part of auto maintenance and not something that vehicle owners should neglect. Although it is important, it can be hard to know how often air and oil filters should be changed. You definitely don’t want to ignore them, but you shouldn’t be replacing them more often than necessary either.Maintaining Your Engine’s Air FilterHow often should the engine air filter be replac...

The after-sale service of our company follows the principle of “The customer satisfaction is our persistent pursuit”, so that we set up our After-sale service Department to assist Marketing Department to ensure a perfect before-and after-sale service and smooth market operation.The specially-assigned staff members create files for our clients and record the information of products from processing ...