Chevrolet Silverado / GMC Sierra. Manual - part 618
2008 ENGINE
Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
OFF-VEHICLE REPAIR INSTRUCTIONS (CONT.)
INTAKE MANIFOLD CROSSOVER INSTALLATION
Fig. 1: View Of Center Intake Manifold
Courtesy of GENERAL MOTORS CORP.
1. Install the intake manifold crossover gaskets.
2. Install the intake manifold crossover.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
3. Install the intake manifold crossover nuts and bolts in sequence.
Tighten: Tighten the intake manifold crossover nuts and bolts to 10 N.m (89 lb in).
VALVE ROCKER ARM COVER INSTALLATION - LOWER LEFT SIDE
Fig. 2: View Of Lower Valve Rocker Arm Cover (Left)
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The gasket may be reused if it is not torn, cracked, stretched,
or swollen.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Install the lower valve rocker arm cover.
Fig. 3: Lower Valve Rocker Arm Cover Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
2. Install the lower valve rocker arm cover bolts.
Tighten:
Tighten the lower valve rocker arm cover bolts in the proper sequence to 10 N.m (89
lb in).
Retighten the lower valve rocker arm cover bolts in the proper sequence to the same
torque, 10 N.m (89 lb in).
VALVE ROCKER ARM COVER INSTALLATION - LOWER RIGHT SIDE
NOTE:
Refer to Fastener Notice
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 4: View Of Lower Valve Rocker Arm Cover (Right)
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The gasket may be reused if it is not torn, cracked, stretched,
or swollen.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado