GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Brakes 🢒 Air Brakes 🢒 Front Axle Service Reservoir Air Supply Valve Replacement

Removal Procedure
  1. Block the wheels.
  2. Drain all of the air reservoirs. Refer to Air Brake Reservoir Draining .

    3. Object Number: 227891 Size: SH
  3. Remove the inflation valve.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 227891 Size: SH
  1. Install the inflation valve.

    2. Tighten
    Tighten the inflation valve to 20 N·m (15 lb ft). The exhaust port should point down and face the rear of the vehicle.

  2. Perform the air leakage test. Refer to Front Axle Service Reservoir Air Supply Valve Operational Check .
  3. Perform the operational test.
  4. Remove the wheel blocks.