GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series Commercial (Cutaway) C4/C5 🢒 Brakes 🢒 Air Antilock Brake System 🢒 Rear Air Brake Relay Valve Replacement

Remove Procedure

    Object Number: 795288 Size: SH
  1. Drain the Air Brake System. Refer to Draining Reservoirs .
  2. Remove the air lines from the valve assembly. Refer to Hose and Line Replacement - Nylon Push-In Type Fitting .
  3. Remove the air brake relay valve bolts.
  4. Remove the air brake relay valve .

Installation Procedure

    Object Number: 795288 Size: SH
  1. Install the air brake relay valve.
  2. Install the air brake relay valve bolts.
  3. Install the air lines to the valve assembly. Refer to Hose and Line Replacement - Nylon Push-In Type Fitting .