GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.

  3. Object Number: 12817  Size: SH
  4. Disconnect the MAP sensor harness connector.

  5. Object Number: 10933  Size: SH

    Notice: Do not rotate or pry on the MAP sensor when removing. Damage to the MAP sensor or the intake manifold may result.

  6. Remove the MAP sensor.
  7. Discard the MAP sensor grommet.

Installation Procedure

    Important: After removing the MAP sensor from the intake manifold, replace the MAP sensor to intake manifold seal.

  1. Install a new MAP sensor grommet if the old MAP sensor is being reused.

  2. Object Number: 10933  Size: SH
  3. Install the MAP sensor.

  4. Object Number: 12817  Size: SH
  5. Connect the MAP sensor harness connector.
  6. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  7. Connect the negative battery cable.