GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1578457  Size: SH
  1. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.

  2. Object Number: 1581065  Size: SH
  3. Using a tamper proof TORX®, remove the MAF/IAT sensor screws.
  4. Remove the MAF/IAT sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1581065  Size: SH
  1. Install the MAF/IAT sensor.
  2. Using a tamper proof TORX®, install the MAF/IAT sensor screws.
  3. Tighten
    Tighten the screws to 0.6 N·m (5 lb in).


    Object Number: 1578457  Size: SH
  4. Connect the MAF/IAT sensor electrical connector.