Why are rear brakes not equal to front brakes?
Equal brake force cannot be applied to all of the wheels on the car at the same time because the rear wheels will lock up. Vehicles with drum brakes in the rear have much lower pressure for the drum brakes than the front disc brakes. This is why the proportioning valve only lets a particular amount of pressure through to the rear brakes.
Which is the best brake proportioning valve for GM?
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What should I do if my rear brakes lock up?
If your rear brakes are locking up, especially on wet surfaces, you should have a mechanic inspect the proportioning/combination valve. Average rating from 205 customers who received a Brake System Inspection. The proportioning valve, also called the combination valve, is located in the disc braking system.
Equal brake force cannot be applied to all of the wheels on the car at the same time because the rear wheels will lock up. Vehicles with drum brakes in the rear have much lower pressure for the drum brakes than the front disc brakes. This is why the proportioning valve only lets a particular amount of pressure through to the rear brakes.
Why does the proportioning valve only work on rear brakes?
Vehicles with drum brakes in the rear have much lower pressure for the drum brakes than the front disc brakes. This is why the proportioning valve only lets a particular amount of pressure through to the rear brakes. If you suspect there is an issue with your proportioning valve, check for the following symptom:
If your rear brakes are locking up, especially on wet surfaces, you should have a mechanic inspect the proportioning/combination valve. Average rating from 205 customers who received a Brake System Inspection. The proportioning valve, also called the combination valve, is located in the disc braking system.
Is the brake line primary or secondary on a master cylinder?
One question about the master cylinder: I have one big fluid reservoir versus two separate reservoirs, so it’s not obvious brake line port is primary and secondary–do you happen to know which is which? I’ve had the same problem. Couldn’t remember what line goes where.