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Intake Manifold Cleaning and Inspection - Upper

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. 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: Accelerator Control Cable Bracket
    G01702940Courtesy 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: Throttle Body
    G01702941Courtesy 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: Upper Intake Manifold
    G01702942Courtesy of GENERAL MOTORS CORP.
  9. Install the throttle body gasket.
  10. Install the throttle body.
    NOTE: Refer to FASTENER NOTICE .
  11. Install the throttle body bolt and stud.

    Tighten 

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

    Fig 4: Throttle Body
    G01702943Courtesy 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 13 N.m (115 lb in).

    Fig 5: Accelerator Control Cable Bracket
    G01702944Courtesy of GENERAL MOTORS CORP.
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