Hummer H3. Manual — part 409

Fig. 466: View Of Valve Locks
Courtesy of GENERAL MOTORS CORP.

5. Remove the valve keys.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 467: View Of Valve Springs & Retainers
Courtesy of GENERAL MOTORS CORP.

6. Remove J 8062 and EN 46119 . See Special Tools.

7. Remove the valve spring retainer and valve spring.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 468: View Of Valves
Courtesy of GENERAL MOTORS CORP.

8. Remove the valves.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 469: View Of Valve Stem Seals
Courtesy of GENERAL MOTORS CORP.

9. Use J 38820 to remove the valve seals. See Special Tools.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3