Silverado 1500 2WD V6-4.3L (2007)
Intake Manifold: Service and Repair
Lower Intake Manifold Replacement
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 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.
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Vac-N-Fill).
2. Remove the fuel pipes/hoses.
3. Remove the ignition coil assembly.
4. Remove the evaporative emission (EVAP) canister tube.
5. Remove the heater hose clamp (1).
6. Open the heater outlet hose clamp and remove the hose from the intake manifold.
7. Open the heater inlet hose clamp and remove the hose from the water pump.
