GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Cobalt 🢒 Brakes 🢒 Antilock Brake System 🢒 Brake Pressure Modulator Valve Bracket Replacement

Brake Pressure Modulator Valve Bracket Replacement Without JL4


Object Number: 1843629 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. Remove the cover from the engine control module (ECM) and the transmission control module (TCM).

1

Brake Pressure Modulator Valve (BPMV) to Mounting Bracket Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tighten
11 N·m (97 lb in)

2

Brake Pressure Modulator Valve (BPMV) Mounting Pin (Qty: 2)

Procedure

  1. Do not pry against the accumulator covers on the underside of the brake pressure modulator assembly to release the mounting pins from the bracket insulators.
  2. Do not remove the mounting pins unless it is necessary to aid in releasing the modulator assembly from the bracket.
  3. Position and support the modulator assembly to aid in bracket removal.

Tighten
10 N·m (89 lb in)

3

Brake Pressure Modulator Valve (BPMV) Bracket Insulator (Qty: 3)

Tip
Inspect the insulators and replace if necessary.

4

Engine Control Module (ECM) Bracket and BPMV Mounting Bolt (Qty: 2)

Tighten
12 N·m (106 lb in)

5

BPMV Mounting Bracket Bolt

Tighten
25 N·m (18 lb ft)

6

BPMV Mounting Bracket

Brake Pressure Modulator Valve Bracket Replacement With JL4

Removal Procedure

Notice: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.


    Object Number: 1986379 Size: SH
  1. Turn the ignition switch to the OFF position.
  2. Remove the cover from the engine control module (ECM) and transmission control module (TCM), if equipped.
  3. Release the brake pipes from the retainer on the wheelhouse panel.
  4. Remove the brake pressure modulator valve (BPMV) bolt (1).

    5. Object Number: 1986380 Size: SH
  5. Remove the BPMV (1) from the bracket by pulling straight upward.

    6. Do not pry against the accumulator covers on the underside of the brake modulator assembly to release the mounting pins from the bracket insulators.

  6. Support the BPMV with heavy mechanics wire or equivalent.

    7. Object Number: 1986381 Size: SH
  7. Remove the 3 BPMV bracket bolts (1).
  8. Remove the BPMV bracket.

    9. Object Number: 1986382 Size: SH
  9. Remove the BPMV bracket insulators (1).

Installation Procedure

    Object Number: 1986382 Size: SH
  1. Install the BPMV bracket insulators (1).

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


    Object Number: 1986381 Size: SH
  2. Install the BPMV bracket.
  3. Install the 3 BPMV bracket bolts (1).

    4. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1986380 Size: SH
  4. Install the BPMV (1) to the bracket by pressing the BPMV mounting pins into the bracket insulators until fully seated.

    5. Object Number: 1986379 Size: SH
  5. Install the BPMV bolt (1).

    6. Tighten
    Tighten the bolt to 11 N·m (97 lb in).

  6. Install the brake pipes to the retainer on the wheelhouse panel.
  7. Install the cover to the ECM and TCM, if removed.