Intake Manifold: Service and Repair

Intake Manifold

Intake Manifold:

Intake Manifold:

Intake Manifold:

Intake Manifold:

Removal and Installation

All vehicles
1. With vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Disconnect the battery ground cable. For additional information, refer to Battery.
3. Remove the air cleaner outlet pipe. For additional information, refer to Fuel Delivery and Air Induction.





4. Remove the bolt, 2 nuts and the generator air inlet duct.
^ To install, tighten to 6 Nm (53 inch lbs.).





5. Depress the locking ring and disconnect the brake booster vacuum supply tube from the intake manifold.
6. Disconnect the evaporative emissions (EVAP) tube from the intake manifold.
7. Disconnect the 2 swirl control valve electrical connectors.





8. Detach the 2 wiring harness pin-type retainers and remove the fuel rail insulator.





9. Detach the electrical connector pin-type retainer.





10. If equipped, remove the 7 screws and the underbody cover.

Vehicles equipped with manual transaxle
11. Remove the 2 bolts and position the clutch slave cylinder aside.
^ To install, tighten to 22 Nm (16 ft. lbs.).

Vehicles with secondary air injection (AIR)
12. Disconnect the AIR pump electrical connector.
13. Remove the 3 bolts and position the AIR pump aside.
^ To install, tighten to 30 Nm (22 ft. lbs.).
14. Disconnect the vacuum hose from the intake manifold.

All vehicles
15. Detach the radiator hose retaining clip from the intake manifold.





16. Remove the intake manifold lower bolt.
^ To install, tighten to 18 Nm (13 ft. lbs.).
17. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
18. Disconnect the intake manifold runner control (IMRC) actuator electrical connector.
19. Disconnect the oil pressure sender electrical connector.
^ Detach the wiring harness pin-type retainer and position the wiring harness aside.
20. Remove the nut and the S-terminal wire from the starter.
^ To install, tighten to 12 Nm (9 ft. lbs.).
21. Disconnect the throttle body electrical connector.

22. NOTE: Discard the throttle body gasket.

Remove the 4 bolts and position the throttle body aside.
^ To install, tighten to 10 Nm (89 inch lbs.).





23. Detach the 2 pin-type retainers from the intake manifold.

24. NOTE: There are 2 different size bolts used. Mark the location of the bolts to make sure they are installed in their original locations.

Remove the 7 bolts and position the intake manifold aside to access the crankcase vent hose clamp and the EGR tube.
^ To install, tighten to 18 Nm (13 ft. lbs.).
25. Release the clamp and disconnect the crankcase vent hose.
26. Detach the knock sensor (KS) electrical connector pin-type retainer.
27. Remove the exhaust gas recirculation (EGR) tube.
^ To install, tighten to 55 Nm (41 ft. lbs.).
28. Remove the intake manifold and discard the gaskets.
^ To install, tighten to 18 Nm (13 ft. lbs.).
29. To install, reverse the removal procedure.
^ Install new throttle body and intake manifold gaskets.