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.
- Remove the ACL outlet pipe. REFER to INTAKE AIR SYSTEM COMPONENTS - EXPLODED VIEW .
- Disconnect the EVAP canister purge valve and throttle body electrical connectors.
- Detach the wiring harness pin-type retainer.
- Disconnect the EVAP vapor tube from the EVAP canister purge valve. REFER to QUICK CONNECT COUPLING
.
- Detach the EVAP vapor tube from the 2 retainers.
- Release the clamps and disconnect the power brake booster vacuum supply hose and crankcase ventilation hose from the upper intake manifold.
- Detach the 2 coolant tube retainers from the upper intake manifold.
- Remove the upper intake manifold support bracket bolt.
- 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.