Chevrolet Silverado / GMC Sierra. Service manual — part 614

Fig. 130: View Of Exhaust Manifold Heat Shield (Right)
Courtesy of GENERAL MOTORS CORP.

4. Install the exhaust manifold heat shield.

5. Install the exhaust manifold heat shield bolts.

Tighten: Tighten the exhaust manifold heat shield bolts to 10 N.m (89 lb in).

VALVE ROCKER ARM, SHAFT, AND PUSH ROD INSTALLATION

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 131: View of Valve Bridge
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Install the valve bridge with the expansion side of bridge

away from the injector.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

1. Install the valve bridge.

Fig. 132: View Of Pushrods, Valve Spring Caps & Valve Lifter Bridges
Courtesy of GENERAL MOTORS CORP.

2. Install the valve bridge pins.

3. Install the pushrods.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 133: View Of Rocker Arm Shaft
Courtesy of GENERAL MOTORS CORP.

NOTE:

The pushrods must be correctly seated in the valve lifter and
valve rocker arms before the rocker arm shaft assembly is
torqued into place. Improper seating of the pushrods can cause
damage to the pushrods or the valve rocker arm shaft
assembly components.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado