GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1199229  Size: SH
  1. Raise the vehicle and properly support it with safety stands. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the electrical connector from the combination valve.
  3. Disconnect the front and rear brake pipes from the combination valve.
  4. Remove the bolt holding the combination valve to the frame.
  5. Remove the combination valve.

Installation Procedure


    Object Number: 1199229  Size: SH
  1. Install the combination valve to the frame.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the bolt to the combination valve and the frame.
  4. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  5. Connect the front and rear brake pipes to the combination valve.
  6. Tighten
    Tighten the brake pipe fittings to 30 N·m (22 lb ft).

  7. Connect the electrical connector to the combination valve.
  8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .