Chevrolet Silverado / GMC Sierra. Manual - part 620
Fig. 9: Upper Valve Rocker Arm Cover Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
2. Install the upper valve rocker arm cover bolts.
Tighten: Tighten the upper valve rocker arm cover bolts in the proper sequence to 8 N.m
(71 lb in).
FUEL INJECTORS INSTALLATION
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 10: Identifying Fuel Injector Copper Washers
Courtesy of GENERAL MOTORS CORP.
1. Install a new O-ring onto the fuel injector.
2. Lubricate the O-ring with engine oil.
3. Install a new copper washer into the fuel injector bore in the cylinder head.
4. Install the fuel injector right bracket pin.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 11: View Of Left Injector Bracket Pins
Courtesy of GENERAL MOTORS CORP.
5. Install the fuel injector left bracket pin.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 12: View Of Right Fuel Injectors W/Brackets
Courtesy of GENERAL MOTORS CORP.
6. Install the right fuel injector with fuel injector bracket.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado