Upper Intake Manifold

UPPER INTAKE MANIFOLD










Disassemble
1. Throttle body bolts (165), throttle body (164) and gasket (163).
2. MAP sensor screws (160) and MAP sensor (158).
3. Canister purge solenoid (178).
4. Emission control vacuum harness assembly (172).
5. Vacuum tee.


Clean
^ Gasket surfaces.
^ Manifold bolts and studs.


Assemble
1. Vacuum tee.
2. Transmission control vacuum harness assembly (172).
3. Canister purge solenoid (178).
4. MAP sensor screws (160) and MAP sensor (158).
5. Throttle body gasket (163), throttle body (164) and bolts (165).
Apply sealer GM p/n 1052080 to threads of throttle body bolts.
Tighten Throttle body bolts (165) to 25 Nm (18 lb. ft.).