Upper Intake Manifold

Intake Manifold Plenum






Remove or Disconnect

1. Negative battery terminal.
2. Vacuum lines, noting positions of hoses.
3. EGR to plenum nuts.
4. Two throttle body attaching bolts, throttle body and gasket. Discard gasket.
5. MAT sensor electrical connector.
6. Turbocharger wastegate solenoid.
7. Wire harness at retainer on right hand side of plenum.
8. Plenum bolts.
9. Plenum and gaskets. Discard gaskets.

Clean

Notice: Use care in cleaning oil gasket material from machined aluminum surfaces. Sharp tools may damage sealing surfaces.

- Gasket sealing surfaces.

Install or Connect

1. New plenum gaskets.
2. Plenum.
3. Plenum bolts. Tighten plenum bolts to 21 Nm (16 ft. lbs.).
4. Wire harness.
5. Turbocharger wastegate solenoid.
6. MAT sensor electrical connector.
7. Throttle body with new gasket.
8. Throttle body bolts. Tighten throttle body bolts to 25 Nm (18 ft. lbs.).
9. EGR to plenum nuts.
10. Vacuum lines.
11. Negative battery cable.

Inspect: With the engine OFF check to see that the accelerator pedal is free. Depress pedal to the floor and release.

12. Refer to Idle Learn Procedure, Idle Learn Procedure The ECM will need to relearn the IAC valve pintle position following battery reconnect.