Hummer H3. Manual — part 804

The parking brake pawl (81) for damage or cracks

The parking pawl return spring (80) for being broken or missing

Fig. 267: View Of Manual Shaft, Parking Lock Actuator Assembly, Inside Detent
Lever & Components
Courtesy of GENERAL MOTORS CORP.

4. Inspect the following items:

The manual shaft retainer (83) for damage or cracks

The manual shaft (84) for damage or burrs

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

The parking lock actuator assembly (85) for damage

The inside detent lever (88) for damage or cracks

The manual valve link (89) for damage

The hex head nut (90) for damage or stripped threads

5. Install the following items:

The inside detent lever (88)

The parking lock actuator assembly (85)

The manual shaft (84) (model dependent)

The manual shaft retainer (83)

The hex head nut (90)

The manual valve link (89)

Tighten: Tighten the nut to 31 N.m (23 lb ft).

REACTION GEAR AND CARRIER INSPECTION

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 268: Inspecting Areas Of Reaction Carrier/Support Thrust Bearing Assembly
Courtesy of GENERAL MOTORS CORP.

1. Inspect the reaction carrier/support thrust bearing assembly (683) for wear or damage.

2. Inspect the reaction gear support to case bearing (692) for wear or damage.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 269: View Of Reaction Gear And Carrier Inspection Areas
Courtesy of GENERAL MOTORS CORP.

3. Inspect the internal reaction gear (684) and the internal reaction gear support (685) for

proper assembly, stripped splines, cracks, teeth and lug damage.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3