Hummer H3. Manual — part 555

Courtesy of GENERAL MOTORS CORP.

9. Install the camshaft sprocket (205) and the timing chain (208).

10. Install a NEW camshaft sprocket bolt (206).

Fig. 238: Tightening Camshaft Sprocket Bolt
Courtesy of GENERAL MOTORS CORP.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

11. Tighten the camshaft sprocket bolt.

Tighten:

1. Tighten the camshaft sprocket bolt a first pass to 75 N.m (55 lb ft).

2. Tighten the camshaft sprocket bolt a final pass, an additional 50 degrees using the J

45059 .

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 239: Locating Tensioner Pin
Courtesy of GENERAL MOTORS CORP.

12. Remove the EN 46330 . See Special Tools.

Fig. 240: View Of Camshaft Sensor Bolt & Sensor
Courtesy of GENERAL MOTORS CORP.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

13. Inspect the camshaft sensor O-ring seal. If the O-ring seal is not cut or damaged, it may be

reused.

14. Lubricate the O-ring seal with clean engine oil.

15. Install the camshaft sensor and bolt.

Tighten: Tighten the bolt to 25 N.m (18 lb ft).

16. Install the valve lifters. Refer to Valve Lifter Replacement.

17. Install the engine front cover. Refer to Engine Front Cover Replacement.

18. Install the condenser. Refer to Condenser Replacement .

AUTOMATIC TRANSMISSION FLEX PLATE REPLACEMENT

Removal Procedure

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3