Upper Intake Manifold
Upper Intake ManifoldRemoval
1. Remove the air cleaner outlet pipe.
2. Disconnect the throttle body electrical connector.
3. Disconnect the evaporative emissions (EVAP) tube from the intake manifold.
4. Disconnect the brake booster vacuum hose from the intake manifold.
5. Disconnect the positive crankcase ventilation (PCV) tube from the PCV valve.
6. Disconnect the PCV fitting electrical connector.
7. Detach the wiring harness retainers from the upper intake manifold.
8. If equipped, detach the cylinder block heater wiring harness retainer from the upper intake manifold.
9. Remove the 2 upper intake manifold support bracket bolts.
10. Remove the 6 bolts and the upper intake manifold.
^ Remove and discard the gaskets.
^ Clean and inspect all of the sealing surfaces of the upper and lower intake manifold.
Installation
1. Using new gaskets, install the upper intake manifold and the 6 bolts.
^ Tighten in the sequence shown to 10 Nm (89 inch lbs.).
2. Install the 2 upper intake manifold support bracket bolts.
^ Tighten to 10 Nm (89 inch lbs.).
3. If equipped, attach the cylinder block heater wiring harness retainer to the upper intake manifold.
4. Attach the wiring harness retainers to the upper intake manifold.
5. Connect the PCV fitting electrical connector.
6. Connect the PCV tube to the PCV valve.
7. Connect the brake booster vacuum hose to the intake manifold.
8. Connect the EVAP tube to the intake manifold.
9. Connect the throttle body electrical connector.
10. Install the air cleaner outlet pipe.