Chevrolet Silverado / GMC Sierra. Service manual — part 326

Fig. 325: View Of Bracket, Bolts, Coils & Wire Harness
Courtesy of GENERAL MOTORS CORP.

4. Disconnect the ignition coil electrical connectors.

5. Remove the bolts (723), coils (722), and wire harness (721) from the bracket (719), as

required.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 326: View Of Valve Rocker Arm Cover
Courtesy of GENERAL MOTORS CORP.

6. Remove the valve rocker arm cover bolts and cover.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 327: View Of Valve Rocker Arm Cover Gasket
Courtesy of GENERAL MOTORS CORP.

7. Remove the gasket (504) from the cover.

VALVE ROCKER ARM COVER REMOVAL - RIGHT SIDE

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 328: Ignition Coils & Bracket
Courtesy of GENERAL MOTORS CORP.

1. Remove the spark plug wires (724).

2. Remove the ignition coil bracket studs (720).

IMPORTANT: Do not remove the oil fill tube from the cover, unless service

is required. If the oil fill tube has been removed from the
cover, install a NEW tube during assembly.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2