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 throttle body.
3. Remove the fuel rail.
4. Remove the secondary air injection (AIR) pump.
5. Remove the oil level indicator and tube.
6. Disconnect the oil pressure sender electrical connector.
7. Disconnect the temperature manifold absolute pressure (TMAP) sensor electrical connector.
8. Disconnect the swirl control valve electrical connector.
9. Disconnect the intake manifold runner control (IMRC) actuator electrical connector.
10. If equipped, disconnect the block heater electrical harness connector.
11. Disconnect the knock sensor (KS) electrical connector and detach the pin-type retainer.
12. Disconnect the fuel vapor return hose from the intake manifold.
13. Disconnect the power brake booster vacuum tube.
^ Depress the quick release locking ring.
^ Pull the vacuum tube out of the quick release fitting.
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 exhaust gas recirculation (EGR) tube.
^ To install, tighten to 18 Nm (13 ft. lbs.).
15. Release the clamp and disconnect the crankcase vent hose.
16. Remove the 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.