GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

  2. Object Number: 1608869  Size: SH
  3. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
  4. Remove the spark plug wire clip from the intake manifold bracket.

  5. Object Number: 1608814  Size: SH
  6. Remove the upper intake manifold bolts.
  7. Remove the MAP sensor and bracket.
  8. Remove the MAP sensor seal from the upper intake manifold.

Installation Procedure


    Object Number: 1608814  Size: SH
  1. Install the MAP sensor seal into the upper intake manifold.
  2. Install the MAP sensor and bracket.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the upper intake manifold bolts.
  5. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1608869  Size: SH
  6. Install the spark plug wire clip to the intake manifold bracket.
  7. Connect the MAP sensor electrical connector (1).
  8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

Removal Procedure

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.

  2. Object Number: 1608869  Size: SH
  3. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
  4. Remove the spark plug wire clip from the intake manifold bracket.

  5. Object Number: 1608814  Size: SH
  6. Remove the upper intake manifold bolts.
  7. Remove the MAP sensor and bracket.
  8. Remove the MAP sensor seal from the upper intake manifold.

Installation Procedure


    Object Number: 1608814  Size: SH
  1. Install the MAP sensor seal into the upper intake manifold.
  2. Install the MAP sensor and bracket.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the upper intake manifold bolts.
  5. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1608869  Size: SH
  6. Install the spark plug wire clip to the intake manifold bracket.
  7. Connect the MAP sensor electrical connector (1).
  8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.