Hummer H2. Manual — part 770

Fig. 9: Identifying BPMV
Courtesy of GENERAL MOTORS CORP.

6. Disconnect the left front and the master cylinder brake pipes (1) from the BPMV (2).

7. Remove the 2 nuts that connect the BPMV to the BPMV bracket.

8. Remove the BPMV (2) and EBCM as an assembly from the vehicle.

9. Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module

Replacement .

Installation Procedure

2004 Hummer H2

2004 BRAKES Anti-Lock Brake System - Hummer H2

Fig. 10: Identifying BPMV
Courtesy of GENERAL MOTORS CORP.

1. Install EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .

2. Install BPMV (2) and EBCM as an assembly into the BPMV bracket. Align the flats of the studs on the

BPMV with the BPMV bracket.

3. Install the 2 BPMV to BPMV bracket nuts.

Tighten: Tighten the 2 BPMV to BPMV bracket nuts to 12 N.m (8 lb ft).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

CAUTION: Make sure brake pipes are correctly connected to brake pressure

2004 Hummer H2

2004 BRAKES Anti-Lock Brake System - Hummer H2

4. Connect the left front and the master cylinder brake pipes (1) to the BPMV (2).

Fig. 11: Rear Brake Pipes & BPMV
Courtesy of GENERAL MOTORS CORP.

modulator valve. If brake pipes are switched by mistake, wheel
lockup will occur and personal injury may result. The only two ways
this condition can be detected are by using a Scan Tool or by doing
an Anti-lock stop.

IMPORTANT: If a new BPMV is being installed, remove the shipping plugs from the

valve openings in the compartment during the next step.

IMPORTANT: Use the locations noted during removal.

2004 Hummer H2

2004 BRAKES Anti-Lock Brake System - Hummer H2

5. Connect the rear brake pipes (1) to the BPMV (2).

Fig. 12: Right Front Brake Pipe & BPMV
Courtesy of GENERAL MOTORS CORP.

6. Connect the right front brake pipe (1) to the BPMV (2).

Tighten: Tighten all of the brake pipe fittings to 15 N.m (11 lb ft).

7. Connect the EBCM harness connector.

8. Lower the vehicle.

9. Fill and bleed the brake hydraulic system. Refer to Hydraulic Brake System Bleeding (Manual) or

2004 Hummer H2

2004 BRAKES Anti-Lock Brake System - Hummer H2