GM Service Manual Online
For 1990-2009 cars only

Brake Pressure Modulator Valve Bracket Replacement HP7

Removal Procedure

  1. Place the ignition switch in the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  3. Object Number: 1873934  Size: SH
  4. Remove the 2 brake pressure modulator valve (BPMV) bracket bolts (1).

  5. Object Number: 1873930  Size: SH
  6. Remove the BPMV bolt (1).

  7. Object Number: 1873931  Size: SH
  8. Without disconnecting the brake pipe fittings, carefully lift the BPMV assembly (1) upward to release the mounting pins from the BPMV bracket insulators.
  9. Do not pry on the accumulator caps on the underside of the BPMV.

  10. Position the BPMV assembly aside and secure with heavy mechanics wire or equivalent.
  11. Inspect the insulators for damage and replace, if necessary.

Installation Procedure


    Object Number: 1873931  Size: SH
  1. Install the BPMV (1) to the bracket.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1873930  Size: SH
  3. Install the BPMV bolt (1) and tighten to 10 N·m (89 lb in).

  4. Object Number: 1873934  Size: SH
  5. Install the 2 BPMV bracket bolts (1) and tighten to 10 N·m (89 lb in).
  6. Lower the vehicle.