GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 889969  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement.
  2. Disconnect the fuel pump module harness electrical connector from the fuel tank pressure sensor.

  3. Object Number: 889971  Size: SH
  4. Position 2 flat-bladed screwdrivers, one on each side of the sensor, near the vacuum port.
  5. Carefully use the screwdrivers to lift and release the sensor from the fuel pump module.

Installation Procedure


    Object Number: 889971  Size: SH
  1. Install the fuel tank pressure sensor to the fuel pump module assembly. Ensure that the sensor grommet is fully seated to the pump module.

  2. Object Number: 889969  Size: SH
  3. Connect the pump module electrical connector to the fuel tank pressure sensor.
  4. Install the fuel tank. Refer to Fuel Tank Replacement.