GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1696754  Size: SH
  1. Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Remove the positive crankcase ventilation (PCV) line (1) from the air cleaner outlet duct.

  3. Object Number: 1696567  Size: SH
  4. Remove the radiator inlet hose clamp retainer from the outlet duct.
  5. Remove the radiator vent inlet hose retainer from the outlet duct.
  6. Loosen the air cleaner outlet duct clamp (1) at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  7. Loosen the air cleaner outlet duct clamp (2) at the throttle body.
  8. Lift up the air cleaner outlet duct at the resonator tab in order to separate the resonator from the stud on the intake manifold.
  9. Remove the air cleaner outlet duct from the throttle body and MAF/IAT sensor.

Installation Procedure


    Object Number: 1696567  Size: SH
  1. Install the air cleaner outlet duct to the throttle body and MAF/IAT sensor. Ensure that the resonator tab aligns with the stud on the intake manifold.
  2. Push down on the air cleaner outlet duct resonator directly over the resonator tab in order to secure the resonator to the stud on the intake manifold.
  3. Tighten the air cleaner outlet duct clamp (2) at the throttle body.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Tighten the air cleaner outlet duct clamp (1) and tighten to 4 N·m(35 lb in)at the MAF/IAT sensor.
  6. Install the radiator vent inlet hose retainer to the outlet duct.
  7. Install the radiator inlet hose clamp retainer to the outlet duct.

  8. Object Number: 1696754  Size: SH
  9. Install the PCV line (1) to the air cleaner outlet duct.
  10. Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.