GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1897166  Size: SH
  1. Remove the upper intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.

  3. Object Number: 1897168  Size: SH
  4. Remove the MAP sensor retainer (1) from the intake manifold.
  5. Remove the MAP sensor (2) from the intake manifold.

Installation Procedure

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


    Object Number: 1897168  Size: SH
  1. Install the MAP sensor (2) into the intake manifold.
  2. Install the MAP sensor retainer (2) to the intake manifold.

  3. Object Number: 1897166  Size: SH
  4. Connect the engine wiring harness electrical connector (3) to the MAP sensor.
  5. Install the upper intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.