Hummer H3. Manual — part 651

9. Install 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).

10. Bleed the hydraulic system. Refer to Hydraulic Brake System Bleeding (Manual) or

Hydraulic Brake System Bleeding (Pressure) .

11. Refer to Control Module References for programming and setup information.

FRONT WHEEL SPEED SENSOR REPLACEMENT

Fig. 44: Replacing Front Wheel Speed Sensor
Courtesy of GENERAL MOTORS CORP.

Front Wheel Speed Sensor Replacement

Callout

Component Name

Preliminary Procedures

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .

3. Remove the front disc brake rotor. Refer to Front Brake Rotor Replacement .

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

REAR WHEEL SPEED SENSOR REPLACEMENT

Fig. 45: Wheel Speed Sensor Replacement - Rear
Courtesy of GENERAL MOTORS CORP.

Rear Wheel Speed Sensor Replacement

1

Wheel Speed Sensor Electrical Connector
Procedure:
Disconnect the electrical connector and release the clip from the vehicle
body.

2

Wheel Speed Sensor Wiring Harness Retaining Clip

3

Wheel Speed Sensor Harness Clip Bolt (if equipped)

Tip: If equipped with a wheel speed sensor wire harness clip, release the
clip from the upper control arm.

Tighten: 9 N.m (80 lb in)

NOTE:

Refer to Fastener Notice .

4

Wheel Speed Sensor Wiring Harness Retaining Clip

5

Wheel Speed Sensor Mounting Bolt

Tighten: 18 N.m (13 lb ft)

6

Wheel Speed Sensor

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

REAR WHEEL SPEED SENSOR RING REPLACEMENT

Tools Required

J 8092 Driver Handle

J 21128 Axle Pinion Oil Seal Installer

J 23690 Bearing Installer

J 2619-01 Slide Hammer

J 45857 Tone Wheel and/or Bearing Remover

J 45860 Tone Ring Installer

Removal Procedure

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and

Installation .

3. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement.

4. Remove the rear axle housing cover. Refer to Rear Axle Housing Cover and Gasket

Replacement .

5. Remove the axle shaft. Refer to Rear Axle Shaft Replacement .

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening
Specifications.Preliminary Procedure: Raise the vehicle. Refer to Lifting and Jacking
the Vehicle .

NOTE:

Refer to Fastener Notice .

1

Connector, ABS Electrical

2

Clip, ABS Wiring Harness Frame Retaining

3

Clip, ABS Wiring Harness Axle Housing Retaining

4

Bolt, Wheel Speed Sensor Mounting (Qty: 2)

Tighten: 18 N.m (13 lb ft)

5

Sensor, Wheel Speed

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3

Fig. 46: The Wheel Speed Sensor Ring From The Axle Housing
Courtesy of GENERAL MOTORS CORP.

6. Remove the axle shaft seal, the bearing and the wheel speed sensor ring from the axle

housing using the J 45857 (1) and the J 2619-01 (2).

Installation Procedure

2007 Hummer H3

2007 BRAKES Antilock Brake System - H3