Intake Manifold: Service and Repair
Intake ManifoldIntake Manifold (Part 1):
Intake Manifold (Part 2):
Intake Manifold (Part 3):
Intake Manifold (Part 4):
Removal and Installation
All vehicles
1. With vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Remove the air cleaner outlet pipe.
4. Remove the bolt, 2 nuts and the generator air inlet duct.
^ To install, tighten to 6 Nm (53 lb-inch).
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 lb-ft).
Vehicles with secondary air injection (AIR)
12. Disconnect the secondary air injection (AIR) pump electrical connector.
13. Remove the 3 bolts and position the AIR pump aside.
^ To install, tighten to 30 Nm (22 lb-ft).
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 lb-ft).
17. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
18. Disconnect the intake manifold runner control (IMRC) actuator electrical connector.
19. Disconnect the engine oil pressure (EOP) switch 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 lb-ft).
21. Disconnect the throttle body (TB) electrical connector.
22. NOTE: Discard the TB gasket.
Remove the 4 bolts and position the TB aside.
^ To install, tighten to 10 Nm (89 lb-inch).
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 lb-ft).
25. Release the clamp and disconnect the crankcase vent hose.
26. Detach the knock sensor (KS) electrical connector pin-type retainer.
27. Remove the EGR tube.
^ To install, tighten to 55 Nm (41 lb-ft).
28. Remove the intake manifold and discard the gaskets.
^ To install, tighten to 18 Nm (13 lb-ft).
29. To install, reverse the removal procedure.
^ Install new TB and intake manifold gaskets.