Chevrolet Silverado / GMC Sierra. Manual - part 33
Fig. 75: Control Port Injector Module
Courtesy of GENERAL MOTORS CORP.
28. Connect the control port injector module (1).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 76: View Of A/C Pressure Switch & Compressor Clutch Connectors
Courtesy of GENERAL MOTORS CORP.
29. Connect the following electrical connectors:
The A/C compressor clutch (2), if equipped
The A/C pressure switch (1), if equipped
30. Install the fuel pipes/hoses. Refer to Fuel Hose/Pipes Replacement - Engine
Compartment .
LOWER INTAKE MANIFOLD REPLACEMENT
Removal Procedure
IMPORTANT:
The intake manifold may be removed as an assembly. Do not
remove the specific intake manifold components unless
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or
Cooling System Draining and Filling (Static Fill) .
2. Remove the fuel pipes/hoses. Refer to Fuel Hose/Pipes Replacement - Engine
Compartment .
3. Remove the ignition coil assembly. Refer to Ignition Coil Replacement .
4. Remove the evaporative emission (EVAP) canister tube. Refer to Evaporative Emission
Hoses/Pipes Replacement - Engine .
component service is required.
It is not necessary to remove the upper intake manifold in
order to remove the lower intake manifold.
Do not allow dirt or debris to enter the fuel system. Ensure
that the ends of the fuel system are properly sealed.
Do not disassemble the central sequential fuel injection (SFI)
unit, unless service is required.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
