Where is the proportioning valve on my 79?
Simple question. the 79-89 Repair manual says car may have proportioning valve located under the master cylinder. On my 79 there is nothing right under the cylinder but the two brake lines go downward towards the frame..Do I just follow the brake lines to see if there is a proportioming valve?
What does the proportioning valve do on a car?
The brake proportioning valve is a metering device that equalizes the pressure between the front and rear brakes. The valve stops the flow, or pressure of brake fluid to the rear drum brakes during every heavy braking or emergency stops; otherwise, the rear brakes lock up and skid,…
How do you get a proportioning valve unstuck?
Apply the emergency brake and lift the hood. Unscrew, or unsnap the master cylinder cap and fill the master cylinder with brake fluid to the top limit line. Leave the cap off. Use a floor jack to raise the vehicle at the front end and place two jack stands under the frame near each wheel.
What to do if your brake proportioning valve is stuck?
Depress the brake pedal and note if you have a brake light on the dashboard. If your brake system has not been previously worked on or suffered no brake leaks from the wheel cylinders, calipers or master cylinder, chances are the brake proportioning valve is stuck in one position, tripping the brake dash light.
Are there GM brake proportioning valves for Oldsmobile?
GM brake proportioning valves to fit your Chevy, Buick, Oldsmobile, Pontiac and Chevy Trucks and Vans. All of the brake proportioning valves we carry are made from top-quality materials. We stock GM proportioning valves for a wide variety of makes, models, and years.
The brake proportioning valve is a metering device that equalizes the pressure between the front and rear brakes. The valve stops the flow, or pressure of brake fluid to the rear drum brakes during every heavy braking or emergency stops; otherwise, the rear brakes lock up and skid,…
Apply the emergency brake and lift the hood. Unscrew, or unsnap the master cylinder cap and fill the master cylinder with brake fluid to the top limit line. Leave the cap off. Use a floor jack to raise the vehicle at the front end and place two jack stands under the frame near each wheel.
Depress the brake pedal and note if you have a brake light on the dashboard. If your brake system has not been previously worked on or suffered no brake leaks from the wheel cylinders, calipers or master cylinder, chances are the brake proportioning valve is stuck in one position, tripping the brake dash light.