Hummer H3. Manual — part 649

Fig. 38: Identifying Brake Fluid Level Sensor
Courtesy of GENERAL MOTORS CORP.

8. Connect the brake fluid level sensor (1) electrical connector.

9. Connect the electrical connectors (2) and (3) at the BPMV and module assembly.

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

Fig. 39: View Of Brake Pipe Fittings & The Master Cylinder
Courtesy of GENERAL MOTORS CORP.

10. Connect the 4 brake pipe fittings to the master cylinder.

Tighten: Tighten the fittings to 19 N.m (14 lb ft).

11. Adjust the stop lamp switch. Refer to Stop Lamp Switch Adjustment .

12. Adjust the cruise release switch. Refer to Cruise Release Switch Adjustment .

13. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)

or Hydraulic Brake System Bleeding (Pressure) .

BRAKE PRESSURE MODULATOR VALVE REPLACEMENT

Tools Required

CH-47830 Holding Fixture. See Special Tools.

Removal Procedure

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

1. Remove the brake master cylinder and power brake booster assembly. Refer to Brake

Master Cylinder with Power Brake Booster and Chassis Control Module
Replacement (LHD) or Brake Master Cylinder with Power Brake Booster and
Chassis Control Module Replacement (RHD).

2. Install the CH-47830 to the master cylinder assembly. See Special Tools.

3. Position the CH-47830 with the master cylinder assembly in a vise. See Special Tools.

CAUTION: Refer to Brake Fluid Irritant Caution .

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

Fig. 40: Identifying Master Cylinder Reservoir
Courtesy of GENERAL MOTORS CORP.

4. Remove the master cylinder reservoir (3). Refer to Master Cylinder Reservoir

Replacement .

5. Remove the power brake booster (6). Refer to Power Brake Booster Replacement .

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3