GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel compartment. Refer to Instrument Panel Storage Compartment Replacement in Instrument Panel, Gauges and Console.

  2. Object Number: 422278  Size: SH
  3. Remove the sensor by twisting 1/4 turn.
  4. Disconnect the electrical connector from the sensor.

Installation Procedure

  1. Connect the electrical connector to the sensor.

  2. Object Number: 422278  Size: SH
  3. Install the sensor into the duct and twist to lock in place.
  4. Install the instrument panel compartment. Refer to Instrument Panel Storage Compartment Replacement in Instrument Panel, Gauges and Console.