Hummer H3. Manual — part 298

Fig. 64: View Of Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.

8. Secure the following wiring harness retainers to the engine wiring harness bracket:

The battery cable

The engine (4, 6)

The MAP sensor (5)

9. Install the left front wheelhouse liner. Refer to Wheelhouse Panel Replacement (Front)

or Wheelhouse Panel Replacement (Rear) .

10. Install the left front wheel. Refer to Tire and Wheel Removal and Installation .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

11. Lower the vehicle.

Fig. 65: Identifying Engine Wiring Harness Retainer At Engine Wiring Harness
Bracket
Courtesy of GENERAL MOTORS CORP.

12. Connect the engine wiring harness retainer to the engine wiring harness bracket.

13. Install the generator. Refer to Generator Replacement .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 66: Identifying Intake Manifold & Attachments
Courtesy of GENERAL MOTORS CORP.

14. Connect the PCV dirty air tube (2) to the camshaft cover.

15. Connect the MAP sensor wiring harness retainer (4) to the intake manifold.

16. Connect the MAP sensor electrical connector (3).

17. Install the oil level indicator and tube. Refer to Oil Level Indicator and Tube

Replacement.

18. Install the battery box. Refer to Battery Box Replacement .

19. Install the throttle body. Refer to Throttle Body Assembly Replacement .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

CAMSHAFT COVER REPLACEMENT

Removal Procedure

Fig. 67: View Of ECT Sensor, Fuel Injector, Ignition Coil & HO2S Engine Wiring
Harness Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

1. Remove the intake manifold. Refer to Intake Manifold Replacement.

2. Remove the ignition coils. Refer to Ignition Coil Replacement .

3. Disconnect the following electrical connectors from the camshaft cover:

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3