Upper Intake Manifold: Removal
NOTE:
If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage.
- 1.
Remove the ACL outlet pipe. REFER to Intake Air Distribution and Filtering .
- 2.
Disconnect the EVAP canister purge valve and throttle body electrical connectors.- Detach the wiring harness pin-type retainer.
- 3.
Disconnect the EVAP vapor tube from the EVAP canister purge valve. REFER to Fuel System General Information .- Detach the EVAP vapor tube from the 2 retainers.
- 4.
Release the clamps and disconnect the power brake booster vacuum supply hose and crankcase ventilation hose from the upper intake manifold.
- 7.
Remove the 7 bolts and the upper intake manifold.- Remove and discard the gasket.
- Clean and inspect all of the sealing surfaces of the upper and lower intake manifold.
