GM Service Manual Online
For 1990-2009 cars only

Object Number: 1862947  Size: MF

Callout

Component Name

Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.

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.

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove any dirt and debris from the area of the brake pressure modulator valve (BPMV) assembly.
  4. Disconnect the electronic brake control module (EBCM) electrical connector.

1

Master Cylinder Inlet Brake Pipe Fitting (Qty: 2)

Notice: Refer to Fastener Notice in the Preface section.

Tip
Cap the brake pipe fittings to prevent brake fluid loss and contamination.

Tighten
18 N·m (13 lb ft)

2

Front Wheel Outlet Brake Pipe Fitting (Qty: 2)

Tip
Cap the brake pipe fittings to prevent brake fluid loss and contamination.

Tighten
18 N·m (13 lb ft)

3

Rear Wheel Outlet Brake Pipe Fitting (Qty: 2)

Tip
Cap the brake pipe fittings to prevent brake fluid loss and contamination.

Tighten
18 N·m (13 lb ft)

4

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

Tighten
22 N·m (16 lb ft)

5

BPMV Bolt

Tighten
10 N·m (89 lb in)

6

BPMV Bracket

Procedure

Inspect the BPMV mounting bracket grommet for damage and replace, if necessary.

7

BPMV Insulator (Qty: 2)

Procedure

Inspect the BPMV insulators for damage and replace, if necessary.

8

BPMV Assembly

Procedure

  1. If necessary, remove the EBCM from the BPMV. Refer to Electronic Brake Control Module Replacement.
  2. After the installation is complete, bleed the antilock brake system. Refer to Antilock Brake System Automated Bleed Procedure.
  3. Calibrate the brake pressure sensor. Refer to Electronic Brake Control Module Programming and Setup.