Hummer H3. Manual — part 105

Fig. 84: View Of J 44228 Base Plate
Courtesy of GENERAL MOTORS CORP.

4. Swing the arm over the valve spring retainer and tighten the swivel nut of the J 44228 down

only enough to allow access for installation of the valve locks. See Special Tools.

5. Position the valve locks to the valve stem retainer groove using the J 43059 . See Special

Tools.

6. Remove the swivel nut and arm of the J 44228 . See Special Tools.

7. Install the arm and swivel nut of the J 44228 over the stud of any other valves being

serviced for this cylinder and repeat removal steps 11 through 16 and installation steps 1
through 7. See Special Tools.

8. Relieve the air pressure to the cylinder being serviced.

9. Remove the J 39313 from the spark plug hole. See Special Tools.

10. Remove the base plate of the J 44228 . See Special Tools.

11. Repeat removal steps 7 through 16 and installation steps 1 through 10 on any other cylinders

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

being serviced.

12. Install the spark plugs. Refer to Spark Plug Replacement in Engine Controls - 3.5L (L52).

13. Install the valve rocker arms. Refer to Valve Rocker Arm and Valve Lash Adjuster

Replacement.

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

Information.

Fig. 85: Identifying EN 46547

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Courtesy of GENERAL MOTORS CORP.

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

Fig. 86: 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

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 87: 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.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3