GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Enclave 🢒 Brakes 🢒 Antilock Brake System 🢒 Brake Pressure Modulator Valve Bracket Replacement

Removal Procedure

    Object Number: 1862135 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Release the front and rear brake pipes (1) from the routing clip on the frame rail.
  3. Remove the 2 brake pressure modulator valve (BPMV) bracket nuts (2).

    4. Object Number: 1866319 Size: SH
  4. Remove the 2 BPMV nuts and washers.

    5. Note: Carefully separate the BPMV from the bracket. Do not pry on the accumulator covers on the underside of the BPMV.


    Object Number: 1866321 Size: SH
  5. Carefully lift the BPMV assembly upward to release the BPMV from the bracket.
  6. Remove the BPMV bracket.
  7. Remove the 2 upper BPMV bracket insulators.

    8. Inspect the bracket insulators for damage and replace, if necessary.

  8. Remove the lower BPMV bracket insulator.

    9. Inspect the bracket insulator for damage and replace, if necessary.

Installation Procedure

    Object Number: 1866321 Size: SH
  1. Install the lower BPMV bracket insulator.

    2. Use denatured alcohol on the BPMV bracket insulator as an installation aid, if necessary.

  2. Install the 2 upper BPMV bracket insulators.

    3. Use denatured alcohol on the BPMV bracket insulators as an installation aid, if necessary.

  3. Install the BPMV bracket to the BPMV.

    4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1866319 Size: SH
  4. Install the 2 BPMV washers and nuts.

    5. Tighten
    Tighten the nuts to 8 N·m (71 lb in).


    Object Number: 1862135 Size: SH
  5. Install the 2 BPMV bracket nuts (2).

    6. Tighten
    Tighten the nuts to 20 N·m (15 lb ft).

  6. Install the front and rear brake pipes (1) to the routing clip on the frame rail.
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.