Hummer H3. Manual — part 303

12. Install the spark plugs. Refer to Spark Plug Replacement .

13. Install the camshafts. Refer to Camshaft Replacement.

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

Fig. 82: View Of EN 46547
Courtesy of GENERAL MOTORS CORP.

15. Remove the EN 46547 (1) from the flywheel teeth. See Special Tools.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 83: View Of Service Slot Plug
Courtesy of GENERAL MOTORS CORP.

16. Install the service slot plug.

17. Lower the vehicle.

OIL LEVEL INDICATOR AND TUBE REPLACEMENT

Removal Procedure

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 84: View Of Fuel Hoses & Retainers
Courtesy of GENERAL MOTORS CORP.

1. Disengage the fuel lines from the retainers at the oil level indicator bracket and intake

manifold.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 85: View Of Oil Level Indicator Tube
Courtesy of GENERAL MOTORS CORP.

2. Remove the oil level indicator from the tube.

3. Remove the oil level indicator tube bolt.

4. Remove the oil level indicator tube from the engine oil pan.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3