GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 750582  Size: SH
  1. Remove the intake air resonator. Refer to Intake Air Resonator Replacement .
  2. Disconnect the mass air flow(MAF)/intake air temperature (IAT) sensor electrical connector (3).

  3. Object Number: 334911  Size: SH
  4. Pull up on the air cleaner assembly (1) in order to release the retainers from the air cleaner adapter (2).

  5. Object Number: 858230  Size: SH
  6. If necessary, loosen the MAF/IAT sensor clamp.
  7. Remove the MAF/IAT sensor.

Installation Procedure

Important: If the MAF/IAT sensor is installed backwards, the fuel system goes rich. An arrow cast into the plastic portion of the sensor indicates proper air flow direction. The arrow must point toward the engine.

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 858230  Size: SH
  1. If necessary, install the MAF/IAT sensor.
  2. Tighten the MAF/IAT sensor clamp.
  3. Tighten
    Tighten the clamp to 7 N·m (62 lb in).


    Object Number: 750582  Size: SH
  4. Connect the MAF/IAT sensor electrical connector (3).
  5. Install the intake air resonator. Refer to Intake Air Resonator Replacement .