Below guide will teach you How to Replace a Proportioning Valve. Please follow the instructions carefully.
Things You’ll Need:
- Brake Fluid
- Proportion Valve Switch
- Shop Towel
- Brake Bleeder Kit
- Drain Pan
- Socket and Ratchet Set
- Flare Nut Wrench
- DIY Costs: Est. $41.95 parts only
- Shop Costs: Est. $201.31 parts and labor
- Park the vehicle on a flat surface and set it on parking brake.
- Take a floor jack and life up the front part of the vehicle with it. Chock the rear wheels as well.
- Take jack stands and prop the vehicle up on them to ensure your safety while working underneath the vehicle.
- Find the brake proportioning valve and clean it along with surrounding areas with the help of brake cleaner.
- Instruct your assistant to depress and set free the brake pedal rapidly and in a mean while you examine the brake proportioning valve for any signs of leak.
- Remove any wiring harness for the brake fluid warning light switch.
- Also, remove hard brake lines from the valve.
- Take the proportioning valve out by unfastening the bolts.
- Take new proportioning valve and fix it on its place.
- Now find the brake bleeder valve. You can find it on the passenger’s rear side.
- Take a piece of clear plastic tube and fix it over the brake bleeder screw. Insert the other end of the tube into a container filled with brake fluid.
- Instruct your assistant to depress and hold the brake pedal in a view to build pressure in the braking system.
- Unfasten the bleeder screw and let the brake fluid to drop out through the bleeder screw opening.
- Fasten the bleeder screw again.
- Repeat this process till the point where you see no more air bubbles coming out.
- You need to repeat the same process for other side as well.
- Remove the jack stand and floor jack. Take a small drive to ensure that the repair work is doing well.
- After a small drive, check the proportioning valve and its surrounding areas for any leakage.