GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 55819  Size: SH
  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


    Object Number: 58838  Size: SH

    Important: Before you install the sensor, lightly coat the MAP sensor seal with clean engine oil.

  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.