Upper Intake Manifold
Upper Intake Manifold
Removal
NOTICE: 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 engine appearance cover. For additional information, refer to Engine Appearance Cover- Exploded View [1][2]Access Cover, Engine.
2. Remove the Air Cleaner (ACL) outlet pipe.
3. Disconnect the 2 PCM electrical connectors.
- Detach the 3 wiring harness retainers.
4. Disconnect the Evaporative Emission (EVAP) canister vent solenoid and throttle body electrical connectors.
- Detach the wiring harness pin-type retainer.
5. Disconnect the EVAP (Evaporative Emission) vapor tube from the EVAP (Evaporative Emission) canister vent solenoid.
- Detach the pin-type retainer.
6. Release the clamp and disconnect the power brake booster vacuum supply hose from the intake manifold.
7. Detach the 2 wiring harness/coolant tube retainers from the upper intake manifold.
8. Disconnect the crankcase ventilation hose from the Positive Crankcase Ventilation (PCV) valve.
9. Remove the upper intake manifold support bracket bolt.
10. 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.
Installation
1. Using a new gasket, install the intake manifold and the 7 bolts.
- Tighten in the sequence shown in 2 stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten an additional 45 degrees.
2. Install the upper intake manifold support bracket bolt.
- Tighten to 10 Nm (89 lb-in).
3. Connect the crankcase ventilation hose to the Positive Crankcase Ventilation (PCV) valve.
4. Attach the 2 wiring harness/coolant tube retainers to the upper intake manifold.
5. Connect the power brake booster vacuum supply hose and clamp to the intake manifold.
6. Connect the EVAP (Evaporative Emission) vapor tube to the EVAP (Evaporative Emission) canister vent solenoid.
- Attach the pin-type retainer.
7. Connect the Evaporative Emission (EVAP) canister vent solenoid and throttle body electrical connectors.
- Attach the wiring harness pin-type retainer.
8. Connect the 2 PCM electrical connectors.
- Attach the 3 wiring harness retainers.
9. Install the ACL (Air Cleaner) outlet pipe.
10. Install the engine appearance cover. For additional information, refer to Engine Appearance Cover- Exploded View [1][2]Access Cover, Engine.