Upper Intake Manifold

Upper Intake Manifold

Upper Intake Manifold (Part 1):

Upper Intake Manifold (Part 2):

Removal

All engines
1. Remove the air cleaner outlet pipe.
2. Disconnect the throttle body (TB) 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 PCV tube from the PCV valve.

Early build engines
6. Remove the upper intake manifold long support bracket bolt.
7. Disconnect the heated PCV electrical connector.

All engines
8. Detach all the wiring harness retainers from the upper intake manifold.
9. If equipped, detach the cylinder block heater wiring harness retainer from the upper intake manifold.
10. Remove the upper intake manifold short support bracket bolt.
11. 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

All engines
1. Using new gaskets, install the upper intake manifold and the 6 bolts.
^ Tighten in the sequence shown to 10 Nm (89 lb-inch).





2. Install the upper intake manifold short support bracket bolt.
^ Tighten to 10 Nm (89 lb-inch).
3. If equipped, attach the cylinder block heater wiring harness retainer to the upper intake manifold.
4. Attach all the wiring harness retainers to the upper intake manifold.
5. Connect the PCV tube to the PCV valve.

Early build engines
6. Connect the heated PCV electrical connector.
7. Install the upper intake manifold long support bracket bolt.
^ Tighten to 10 Nm (89 lb-inch).

All engines
8. Connect the brake booster vacuum hose to the intake manifold.
9. Connect the EVAP tube to the intake manifold.
10. Connect the TB electrical connector.
11. Install the air cleaner outlet pipe.