Intake Manifold: Service and Repair

INTAKE MANIFOLD REMOVAL/INSTALLATION

Removal and Installation

1. Disconnect the negative battery cable.




2. Remove the bolts and the shield.




3. Remove the air cleaner outlet pipe.
- Disconnect the tube.
- Detach the mass airflow (MAF) sensor wiring pushpin.
- Loosen the clamps and remove the pipe.




4. Disconnect the idle air control (IAC) valve, throttle position (TP) sensor electrical connectors and the TP sensor wiring pin-type retainer.




5. Disconnect the MAF sensor wiring pin-type retainer.




6. Disconnect the accelerator and cruise control cables.
1. Detach the accelerator and cruise control cables from the throttle body.
2. Detach the accelerator and cruise control cables from the bracket, and position the cables aside.




7. Disconnect the exhaust gas recirculation (EGR) valve vacuum hose and tube fitting.




8. Disconnect the EGR vacuum regulator solenoid valve electrical connector and vacuum hose.




9. Disconnect the hose.




10. Loosen the clamp and disconnect the brake booster vacuum hose.

CAUTION: It is important to twist the spark plug wire boots while pulling upward to avoid possible damage to the spark plug wire.

NOTE: Spark plug wires must be connected the correct ignition coil terminal. Mark the spark plug wire locations before removing them.




11. Disconnect the Rh spark plug wires from the coil. Remove the spark plug wire routing clip pin-type retainer and position the wires aside.




12. Remove wiring harness bracket retainer, then position wiring harness aside.




13. Remove accelerator cable routing retainer clip and wiring harness pushpin.




14. Remove the bolts.




15. Remove the bolt and position the coil and bracket aside.




16. Disconnect the vacuum hoses.




17. Remove the nut.




18. Disconnect the powertrain control module (PCM) electrical connector.




19. Disconnect the ground wires and position the wiring harness aside.




20. Detach the electrical connector retainer.




21. Remove the intake manifold bolts and lift up the intake manifold.




22. Remove the heated PCV hose retainers and remove the heated PCV fitting.
23. Remove the intake manifold.
24. To install, reverse the removal procedure.