Rear wheels locking up while braking? You might need a new brake proportioning valve. When it comes to your vehicle’s braking system, several components are responsible for helping your vehicle come ...

When running any type of disc brake system on a car you need to remember which proportioning valve you should run. This is very important because the job of a proportioning valve is to distribute the ...

Proportioning valves come in all shapes and sizes and vary considerably depending on the car you are working on. But the most common problem you'll face is which valve should be used on which car. To ...