GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1647998  Size: SH
  1. Disconnect the engine harness electrical connector from the mass air flow (MAF)/intake air temperature (IAT) sensor.

  2. Object Number: 1656943  Size: SH
  3. Remove the MAF/IAT sensor screws.
  4. Remove the MAF/IAT sensor.

Installation Procedure


    Object Number: 1656943  Size: SH
  1. Install the MAF/IAT sensor.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the MAF/IAT sensor screws.
  4. Tighten
    Tighten the screws to 0.6 N·m (5 lb in).


    Object Number: 1647998  Size: SH
  5. Connect the engine harness electrical connector to the MAF/IAT sensor.