GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Corvette 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Combination Valve Replacement

Removal Procedure

    Object Number: 319039 Size: SH
  1. Disconnect the brake pressure differential sensor electrical connector from the side of the brake combination valve.
  2. Disconnect the brake pressure modulator sensor electrical connector from the front of the brake combination valve.
  3. Plug the brake pipes to prevent contamination, dirt or fluids from entering the system.
  4. Remove the brake pipes from both sides of the of the valve.

Installation Procedure

    Object Number: 319039 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the brake combination valve to the brake pipes.

    2. Tighten
    Tighten the brake pipe tube nuts to 18 N·m (13 lb ft).

  2. Connect the brake pressure modulator sensor electrical connector to the front of the brake combination valve.
  3. Connect the brake pressure differential sensor electrical connector to the side of the brake combination valve.
  4. Refill the master cylinder reservoir.
  5. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .