GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Yukon - 4WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Combination Valve Replacement

Removal Procedure
  1. Remove the combination valve electrical connector.

    2. Object Number: 596405 Size: SH
  2. Remove the front and the rear brake pipes.
  3. Remove the combination valve from the vehicle.

Installation Procedure
  1. Install the combination valve to the vehicle.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 596405 Size: SH
  2. Install the front and the rear brake pipes to the combination valve.

    3. Tighten
    Tighten the brake pipe nuts to 25 N·m (18 lb ft).

  3. Connect the combination valve electrical connector.

    4. Important: Verify that the combination valve metering rod is depressed during bleeding.

  4. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .