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Intake Manifold Cleaning and Inspection - Upper

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the accelerator control cable bracket bolts (1,2) and the nut (3).
  2. Remove the accelerator control cable bracket.
    Fig 1: Removing Accelerator Control Cable Bracket
    G01500793Courtesy of GENERAL MOTORS CORP.
  3. Remove the throttle body bolt and stud.
  4. Remove the throttle body.
  5. Remove the throttle body gasket.
    Fig 2: Removing Throttle Body And Gasket
    G01500794Courtesy of GENERAL MOTORS CORP.
  6. Clean the intake manifold gasket surfaces.
  7. Clean the intake manifold bolts and studs.
  8. Inspect the intake manifold mating surfaces for nicks or cracks.

    Replace the intake manifold if damaged.

    Fig 3: Identifying Upper Intake Manifold For Inspection
    G01500795Courtesy of GENERAL MOTORS CORP.
  9. Install the throttle body gasket.
  10. Install the throttle body.
  11. Install the throttle body bolt and stud.

    Tighten  Tighten the throttle body bolt and stud to 25N.m (18lbft).

    Fig 4: Installing Throttle Body And Gasket
    G01500796Courtesy of GENERAL MOTORS CORP.
  12. Install the accelerator control cable bracket.
  13. Install the accelerator control cable bracket bolts and nut.

    Tighten  Tighten the accelerator control cable bracket bolts in sequence (1, 2, 3) to 10 N.m (89 lb in).

    Fig 5: Installing Accelerator Control Cable Bracket
    G01500797Courtesy of GENERAL MOTORS CORP.
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