Sierra Denali RWD V8-6.2L (2009)
Intake Manifold: Service and Repair
Intake Manifold Replacement
Intake Manifold Replacement (Except LH6, LMG, LY5, L76, LY2, LY6)
Removal Procedure
1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Tune-up and Engine Performance Checks/Air
Cleaner Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair) .
2. Remove the generator. Refer to Generator Replacement (4.3L) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (6.6L) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (4.8L, 5.3L, 6.0L, and 6.2L) (See: Starting and Charging/Charging
System/Alternator/Service and Repair/Generator Replacement) .
3. Remove the engine harness retainer nut (1).
4. Remove the engine harness retainer from the stud and locator pin.
5. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid.
6. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor.