Upper Intake Manifold

Upper Intake Manifold

Removal





1. Remove the air cleaner outlet pipe. Refer to Fuel Delivery and Air Induction.
2. Remove the pin-type retainers and the accelerator cable splash shield.





3. Disconnect the accelerator cable, the cruise control cable and the throttle return spring.





4. Remove the bolts and position the bracket and cables aside.





5. Disconnect the Throttle Position (TP) sensor and the Idle Air Control (IAC) valve electrical connectors.
^ Detach the harness retainer from the throttle body stud bolt.





6. Disconnect the heated throttle body coolant tubes.





7. Disconnect the Positive Crankcase Ventilation (PCV) hose.





8. Disconnect the vacuum supply hose.





9. Disconnect the brake booster and evaporative emissions (EVAP) vacuum hoses.





10. Remove the Exhaust Gas REcirculation (EGR) valve.
1 Disconnect the vacuum hose.
2 Remove the nuts.
3 Remove the bolts.
4 Remove the EGR valve.





11. Remove the EGR vacuum regulator (EVR) valve.
1 Disconnect the vacuum hose.
2 Disconnect the electrical connector.
3 Remove the bolts.
4 Remove the valve.





12. Remove the eight bolts and the upper intake manifold.
^ Remove and discard the gaskets.
^ Clean all mating surfaces.

Installation

1. Position new gaskets in the upper intake manifold.





2. Position the upper intake manifold and install the bolts in the sequence shown.





3. Install the EGR vacuum regulator valve.
1 Position the valve.
2 Install the bolts.
3 Connect the electrical connector.
4 Connect the vacuum hose.





4. Install the EGR valve.
1 Position the EGR.
2 Install the bolts.
3 Install the nuts
4 Connect the vacuum hose.





5. Connect the brake booster and PCV vacuum hoses.





6. Connect the vacuum supply hose.





7. Connect the PCV valve hose.





8. Connect the TP and IAC valve electrical connectors.
^ Attach the harness retainer to the throttle body stud bolt.





9. Position the bracket and cables and install the bolts.





10. Connect the throttle return spring, accelerator cable and the cruise control cable.





11. Install the pin-type retainers and the accelerator cable splash shield.
12. Install the air cleaner outlet pipe.