Hummer H2. Manual — part 1720
Fig. 84: Ignition Coil Bracket Studs
Courtesy of GENERAL MOTORS CORP.
9. Remove the ignition coil bracket studs from the rocker arm cover.
10. Remove the ignition coils and bracket from the rocker cover.
11. Remove the positive crankcase ventilation (PCV) hose.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 85: Valve Rocker Arm Cover & Bolts (Right)
Courtesy of GENERAL MOTORS CORP.
12. Remove the valve rocker arm cover bolts.
13. Remove the valve rocker arm cover.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 86: Valve Rocker Arm Cover Gasket (Right)
Courtesy of GENERAL MOTORS CORP.
14. Remove the gasket (1) from the rocker cover.
15. Discard the OLD gasket.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 87: Oil Fill Tube
Courtesy of GENERAL MOTORS CORP.
16. Remove the oil fill cap from the oil fill tube.
17. Remove the oil fill tube from the rocker cover, if required.
18. Discard the oil fill tube.
19. Clean and inspect the rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
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