Grand Prix V6-3.8L (2007)
Intake Manifold: Service and Repair
Upper Intake Manifold Replacement
Upper Intake Manifold Replacement
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the fuel injector sight shield.
3. Remove the air cleaner intake duct.
4. Drain the cooling system.
5. Remove the right spark plug wires from the ignition control module and the upper intake manifold and reposition the wires.
6. Relieve the fuel pressure.
7. Remove the brake booster hose (1) from the vacuum source manifold (2).
8. Disconnect the electrical connectors from the following:
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Electronic throttle control (ETC)
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EVAP purge solenoid
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Manifold absolute pressure (MAP) sensor
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Mass air flow (MAF) sensor
9. Remove the exhaust gas recirculation (EGR) valve wiring harness heat shield nut (1), bolt (2) and the EGR heat shield (3).
10. Disconnect the EVAP purge solenoid pipe quick connect fitting.
