Intake Manifold: Removal
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- Disconnect the battery. Refer to: Battery Disconnect and Connect .
- Remove the bolts and the underbody shield.
-
- Disconnect the A/C compressor electrical connector.
- Remove the nuts, detach and position the auxiliary coolant pump aside.
-
- Detach the KS wiring harness connector retainers and position the wiring harness aside.
- Remove the bottom intake manifold mounting bolt.
- Remove the following items:
- Remove the air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe .
- Remove the air cleaner. Refer to: Air Cleaner .
- Detach the degas bottle coolant hose retainers and position the degas bottle coolant hose aside.
-
- Detach the wiring harness retainers.
- Disconnect the MAP sensor electrical connector.
- Detach the wiring harness connector retainer and position the wiring harness aside.
-
- Disconnect the throttle body electrical connector and detach the wire harness retainer.
- Disconnect the EVAP canister purge valve tube quick release coupling Refer to: Quick Release Coupling .
- Disconnect the brake vacuum tube from the intake manifold. Refer to: Quick Release Coupling .
-
NOTE: Position back the intake manifold to allow access to disconnect the crankcase ventilation oil separator tube from the intake manifold.
- Remove the bolts and the intake manifold.
- Disconnect the crankcase vent oil separator tube.
-
- Visually inspect the intake manifold gaskets for nicks, cuts and abrasions. If these conditions are not present, the gaskets may be reused.
- Install new intake manifold gaskets if necessary.
- Clean and inspect all of the sealing surfaces of the intake manifold.
-
- 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.