GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Cavalier 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Proportion Valve Replacement

Removal Procedure
  1. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 570425 Size: SH
  2. Disconnect the brake lines (2) from the proportioner valves (1).
  3. Plug the brake lines to avoid brake fluid loss and brake fluid contamination.
  4. Remove the proportioner valves (1) from the vehicle.

Installation Procedure

    Object Number: 570425 Size: SH
  1. Install the proportioner valves (1).

    2. 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.

  2. Connect the brake lines (2) to the proportioner valves (1).

    3. Tighten
    Tighten the brake line nuts to 27 N·m (20 lb ft).

  3. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .