Combination Valve: Installation
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not reuse the transfer tubes. Always install NEW transfer tubes with a NEW combination valve. Verify that the replacement combination valve has the same pin punched identification code as the code found on the old part.
- Install 2 NEW transfer tubes into the combination valve until fully seated. See Figure .
- Install combination valve to BPMV.
- Install 3 combination valve bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS .
- Install the front and rear brake pipes to combination valve. Tighten brake pipe fittings to specification. See TORQUE SPECIFICATIONS .
- Connect the electrical connector to the combination valve.NOTE: Verify that the combination valve metering rod is depressed during bleeding.
- Bleed the brake system. See MANUAL BLEEDING or PRESSURE BLEEDING under BLEEDING BRAKE SYSTEM.