Intake Manifold: Service and Repair
Intake ManifoldIntake Manifold:
Intake Manifold:
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 intake manifold vacuum hose and pin-type retainer.
^ Position the vacuum hose aside.
6. Disconnect the power brake booster vacuum tube.
^ Depress the quick release locking ring.
^ Pull the vacuum tube out of the quick release fitting.
7. Disconnect the fuel vapor return hose from the intake manifold.
8. Remove the 3 bolts and position the accelerator cable bracket aside.
^ To install, tighten to 10 Nm (89 inch lbs.).
9. Disconnect the idle air control (IAC) motor electrical connector.
10. Disconnect the swirl control valve electrical connector.
11. Disconnect the knock sensor (KS) electrical connector.
^ Detach the electrical connector pin-type retainer.
12. Disconnect the temperature manifold absolute pressure (TMAP) sensor electrical connector.
13. Disconnect the oil pressure sender electrical connector.
^ Detach the wiring harness pin-type retainer and position the wiring harness aside.
14. NOTE: There are 3 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 ft. lbs.).
15. Release the clamp and disconnect the crankcase vent hose.
16. Remove the exhaust gas recirculation (EGR) tube.
^ To install, tighten to 55 Nm (41 ft. lbs.).
17. Remove the intake manifold and gaskets.
18. To install, reverse the removal procedure.
^ Inspect and install new intake manifold gaskets if necessary.