GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 665886  Size: SH
  1. Loosen the sight shield bolt.
  2. Remove the sight shield.
  3. Remove the sight shield retainer bolts.
  4. Remove the sight shield retainer.

  5. Object Number: 679510  Size: SH
  6. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).

  7. Object Number: 260159  Size: SH
  8. Remove the MAP sensor (1).

Installation Procedure

Important: Lightly coat the MAP sensor seal with clean engine oil prior to installing.


    Object Number: 260159  Size: SH
  1. Install the MAP sensor (1).

  2. Object Number: 679510  Size: SH
  3. Connect the MAP sensor electrical connector (1).

  4. Object Number: 665886  Size: SH
  5. Install the sight shield retainer.
  6. 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.

  7. Install the sight shield retainer bolts.
  8. Tighten
    Tighten the bolts to 5 N·m (44 lb in).

  9. Install the sight shield.
  10. Tighten the sight shield bolt.
  11. Tighten
    Tighten the bolt to 10 N·m (89 lb in).