Chevrolet Silverado / GMC Sierra. Manual - part 617
Fig. 142: Intake Manifold Bolt Tightening Sequence (Left)
Courtesy of GENERAL MOTORS CORP.
3. Install the intake manifold bolts and nuts.
Tighten: Tighten the intake manifold bolts and nuts to 25 N.m (18 lb ft).
INTAKE MANIFOLD INSTALLATION - 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. 143: Determining Sealant Bead Dimensions
Courtesy of GENERAL MOTORS CORP.
1. Apply a 2-3 mm wide by 0.5-1.5 mm high bead of GM P/N 12378521 (Canadian P/N
88901148) sealant on the intake manifold mating surface.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 144: View Of Intake Manifold (Right)
Courtesy of GENERAL MOTORS CORP.
2. Install the intake manifold.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 145: Intake Manifold Bolt Tightening Sequence (Right)
Courtesy of GENERAL MOTORS CORP.
3. Install the intake manifold bolts and nuts.
Tighten: Tighten the intake manifold bolts and nuts to 25 N.m (18 lb ft).
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado