GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2008 🢒 WM Sedan 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Intake Manifold Removal
  1. Remove the PCV tube and PCV fresh air tubes. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .

    2. Object Number: 1957973 Size: SH
  2. Disconnect the EVAP hose (1) from the intake manifold (2).

    3. Object Number: 1958780 Size: SH
  3. Remove the fuel injector harness electrical connector/EVAP valve mounting bracket to intake manifold retaining bolt (2).
  4. Detach the fuel injector harness electrical connector (3) from the fuel injector harness electrical connector/EVAP valve mounting bracket (1).
  5. Remove the fuel injector harness electrical connector/EVAP valve mounting bracket (1).

    6. Object Number: 1957978 Size: SH

    Important: 

       • DO NOT remove the upper intake manifold to lower intake manifold retaining bolts.
       • DO NOT kink or damage the fuel pipe.

  6. Remove the intake manifold bolts (1).
  7. Remove the intake manifold (2) and the throttle body (3) as an assembly.

    8. Important: The cylinder heads and engine valley must be plugged with a clean lint free cloth to prevent foreign matter entry into the engine.

  8. Plug the cylinder heads and engine valley with a clean lint free cloth.

    9. Object Number: 1958112 Size: SH
  9. Remove the lower intake manifold gasket.