Chevrolet Silverado / GMC Sierra. Manual — part 118

Fig. 392: View Of Intake Manifold Assembly & Bolts
Courtesy of GENERAL MOTORS CORP.

7. Remove the engine coolant temperature (ECT) sensor wire connector, if equipped, from the

engine wiring harness bracket.

8. Remove the lower intake manifold bolts.

IMPORTANT:

The intake manifold may be removed as an assembly. Do
not remove the specific intake manifold components
unless component service is required.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

9. Remove the intake manifold assembly.

10. Remove and discard the lower intake manifold gaskets.

VALVE ROCKER ARM AND PUSH ROD REMOVAL

Fig. 393: Identifying Valve Rocker Arms
Courtesy of GENERAL MOTORS CORP.

Do not allow dirt or debris to enter the fuel system.
Ensure that the ends of the fuel system are properly
sealed.

IMPORTANT: Mark, sort, and organize all the components for assembly.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado