GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 55819  Size: SH

    Important: Access to the MAP sensor is limited, but does not require removal of the intake manifold.

  1. Disconnect the MAP sensor electrical connector.

  2. Object Number: 58838  Size: SH
  3. Twist the MAP sensor forward in order to release the sensor from the retainer.
  4. Pull the sensor upward.

Installation Procedure

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


    Object Number: 58838  Size: SH
  1. Install the MAP sensor. Push the MAP sensor down in order to engage the sensor into the retainer.

  2. Object Number: 55819  Size: SH
  3. Connect the MAP sensor electrical connector.