GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Loosen the turbocharger inlet duct clamp at the intake duct.

  2. Object Number: 63702  Size: SH
  3. Disconnect the MAF sensor electrical connector.

  4. Object Number: 55485  Size: SH
  5. Unfasten the air cleaner cover clips.

  6. Object Number: 63699  Size: SH
  7. Remove the air filter, MAF sensor, and intake duct assembly from the air cleaner box.
  8. Remove the air filter from the MAF sensor by pulling them apart.

  9. Object Number: 63696  Size: SH
  10. Loosen the intake duct clamp and remove the intake duct from the MAF sensor.
  11. Remove the air filter adapter screws.
  12. Remove the air filter adapter from the MAF sensor.

Installation Procedure


    Object Number: 63696  Size: SH
  1. Install the air filter adapter to the MAF sensor.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the 2 air filter adapter screws.
  4. Tighten
    Tighten the screws to 2.8 N·m (25 lb in).

  5. Install the intake duct to the MAF sensor.
  6. Tighten the intake duct clamp.
  7. Install the air filter onto the air filter adapter.

  8. Object Number: 63699  Size: SH
  9. Install the air filter, MAF sensor, and intake duct assembly into the air cleaner box.

  10. Object Number: 55485  Size: SH
  11. Fasten the air cleaner cover clips.

  12. Object Number: 55474  Size: SH
  13. Install the turbocharger inlet duct onto the intake duct.
  14. Tighten the clamp.

  15. Object Number: 63702  Size: SH
  16. Connect the MAF sensor electrical connector.