GM Service Manual Online
For 1990-2009 cars only

Barometric Pressure Sensor Replacement LY7

Removal Procedure


    Object Number: 945437  Size: SH
  1. Turn the ignition OFF.
  2. Remove the sensor electrical connector.

  3. Object Number: 1285192  Size: SH
  4. Remove the barometric pressure sensor bolt.
  5. Remove the barometric pressure sensor.

Installation Procedure


    Object Number: 1285192  Size: SH
  1. Install the barometric pressure sensor.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the barometric pressure sensor bolt.
  4. Tighten
    Tighten the barometric pressure sensor bolt to 10 N·m (89 lb in).


    Object Number: 945437  Size: SH
  5. Install the sensor electrical connector.