Q: What needs to be done before servicing the Proportioning Valve?
A:
Remove the air cleaner assembly.
By Bob
GM Specialist
28/10/2022
Q: What is the recommended torque for the 2 proportioning valve bracket bolts?
A:
The recommended torque is 24 N.m (18 ft. lbs.).
By Bob
GM Specialist
28/10/2022
FAQ for Other Repair Info
Q: What should be noticed when adding fluid to the brake master cylinder reservoir?
A:
When adding fluid to the Brake Master Cylinder reservoir, use only Delco Supreme 11(R), GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
Q: What should be done before servicing the Wheel Cylinder?
A:
You should raise and suitably support the vehicle.
Q: What should be done before servicing the Vacuum Brake Booster?
A:
You should disconnect and position aside the underhood electrical center from the bracket.