GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 897270  Size: SH
  1. Turn the ignition OFF.
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  3. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
  4. Disconnect the manifold absolute pressure (MAP) sensor harness connector.
  5. Remove the MAP sensor and the MAP sensor port seal if it is still retained in the intake manifold

Installation Procedure


    Object Number: 897270  Size: SH
  1. Install the MAP sensor with the port seal into the intake manifold
  2. Connect the MAP sensor harness connector. Push in the connector until a click is heard and pull back to confirm a positive engagement.
  3. Install the throttle body. Refer to Throttle Body Assembly Replacement .
  4. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .