Chevrolet Silverado / GMC Sierra. Manual - part 450
Fig. 123: View Of Lower Valve Rocker Arm Cover (Left)
Courtesy of GENERAL MOTORS CORP.
1. Remove the upper left valve rocker arm cover. Refer to Valve Rocker Arm Cover
Replacement - Upper Left Side.
2. Remove the fuel injectors. Refer to Fuel Injector Replacement (Left) or Fuel Injector
Replacement (Right) .
3. Remove the lower valve rocker arm cover bolts.
4. Remove the lower valve rocker arm cover.
5. Remove the gasket from the lower valve rocker arm cover.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
6. Inspect the lower valve rocker arm cover gasket for damage, replace if necessary. Otherwise
reuse the old gasket.
7. If required, clean and inspect the lower valve rocker arm cover. Refer to Valve Rocker
Arm Cover Cleaning and Inspection - Lower .
Installation Procedure
Fig. 124: View Of Lower Valve Rocker Arm Cover (Left)
Courtesy of GENERAL MOTORS CORP.
1. Install the lower valve rocker arm cover gasket.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
2. Install the lower valve rocker arm cover.
3. Install the lower valve rocker arm cover bolts.
Fig. 125: Lower Valve Rocker Arm Cover Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
4. Tighten the lower valve rocker arm cover bolts in the sequence shown.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
5. Install the fuel injectors. Refer to Fuel Injector Replacement (Left) or Fuel Injector
Replacement (Right) .
6. Install the upper left valve rocker arm cover. Refer to Valve Rocker Arm Cover
Replacement - Upper Left Side.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
VALVE ROCKER ARM COVER REPLACEMENT - LOWER RIGHT SIDE
Removal Procedure
Fig. 126: View Of Lower Valve Rocker Arm Cover (Right)
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado