Intake Manifold Replacement - Lower

Intake Manifold Replacement - Lower
Removal Procedure
1. Turn the ignition OFF.
2. Remove the air inlet duct.
3. Remove the fuel pressure and evaporative emission (EVAP) hoses from the engine.
4. Disconnect the barometric pressure (BARO) sensor electrical connector.

Important: Do not disconnect the engine control module (ECM) electrical connectors.

5. Remove the ECM bracket with the ECM and reposition aside.
6. Raise and support the vehicle. Refer to Vehicle Lifting.
7. Disconnect the intermediate steering shaft from the steering gear.
8. Remove and reposition the front portion of the front fender liners in order to gain access to the frame front bolts.
9. Lower the vehicle.





10. Position a floor jack at the front center section of the frame in order to support the powertrain.
11. Remove the frame front bolts.
12. Carefully lower the powertrain or raise the vehicle enough to provide access.





13. Disconnect the purge solenoid electrical connector.





14. Remove the wiring harness from the right side of the intake manifold.





15. Disconnect the fuel injector electrical connector.





16. Disconnect the intake manifold runner control solenoid electrical connector.





17. Remove the throttle body electrical connector.
18. Remove the brake booster vacuum hose from the intake manifold.





19. Remove the positive crankcase ventilation (PCV) hose from the intake manifold.





20. Remove the intake manifold bolts (1-6).





21. Remove the intake manifold.
22. Disassemble the intake manifold as necessary.
23. Clean and inspect the intake manifold and the sealing surfaces. Refer to Intake Manifold Cleaning and Inspection.

Installation Procedure
1. Assemble the intake manifold as necessary.





2. Install the intake manifold.





3. Install the PCV hose to the intake manifold.
4. Install the brake booster vacuum hose to the intake manifold.





5. Connect the throttle body electrical connector.





6. Connect the intake manifold runner control solenoid electrical connector.





7. Connect the fuel injector electrical connector.





Notice: Refer to Fastener Notice in Service Precautions.

8. Install the wiring harness to the right side of the intake manifold.
^ Tighten the wiring harness bracket bolts to 10 Nm (89 inch lbs.).





9. Connect the purge solenoid electrical connector.
10. Carefully raise the powertrain or lower the vehicle in order to Install the frame bolts.
11. Install the frame front bolts.





12. Remove the floor jack.
13. Raise and support the vehicle. Refer to Vehicle Lifting.
14. Install the front fender liners.
15. Connect the intermediate steering shaft to the steering gear.
16. Lower the vehicle.
17. Install the ECM bracket with the ECM.
18. Connect the BARO sensor electrical connector.
19. Install the fuel pressure and EVAP hoses to the engine.
20. Install the air inlet duct.