Intake Manifold: Service and Repair
Intake ManifoldIntake Manifold (Part 1):
Intake Manifold (Part 2):
Removal and Installation
1. With vehicle in NEUTRAL, position it on a hoist.
2. Remove the fuel rail.
3. Remove the throttle body.
4. Remove the oil level indicator and tube.
5. Disconnect the power brake booster vacuum tube.
^ Depress the quick release locking ring.
^ Pull the vacuum tube out of the quick release fitting.
6. Disconnect the fuel vapor return hose from the intake manifold.
7. Remove the 3 bolts and position the accelerator cable bracket aside.
^ To install, tighten to 10 Nm (89 lb-in).
8. Disconnect the idle air control (IAC) motor electrical connector.
9. Disconnect the swirl control valve electrical connector.
10. Disconnect the knock sensor (KS) electrical connector.
^ Detach the electrical connector pin-type retainer.
11. Disconnect the temperature manifold absolute pressure (TMAP) sensor electrical connector.
12. Disconnect the engine oil pressure (EOP) switch electrical connector.
^ Detach the wiring harness pin-type retainer and position the wiring harness aside.
13. NOTE: There are 2 different size bolts used. Mark the location of the bolts to make sure they are installed in the correct location.
Remove the 8 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).
14. Release the clamp and disconnect the crankcase vent hose.
15. Remove the EGR tube.
^ To install, tighten to 55 Nm (41 lb-ft).
16. Remove the intake manifold and gaskets.
17. To install, reverse the removal procedure.
^ Inspect and install new intake manifold gaskets if necessary.