GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1233528  Size: SH
  1. Turn the ignition OFF.
  2. Disconnect the manifold absolute pressure (MAP) sensor harness connector.
  3. Remove the MAP sensor attachment screw and remove the MAP sensor and O-ring (6).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1233528  Size: SH
  1. Make sure the MAP sensor mounting surface is clean. Install the MAP sensor with the new O-ring and attachment bolt (6).
  2. Tighten
    Tighten the manifold absolute pressure sensor screw to 4 N·m (35 lb in).

  3. Connect the MAP sensor harness connector. Push the connector in until the lock position is felt, then pull back to confirm engagement.