GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1308478  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the instrument panel under cover.
  3. Disconnect the electrical connector.
  4. Remove the tube by turning it clockwise.

  5. Object Number: 1308479  Size: SH
  6. Remove the screws.
  7. Remove the in-car sensor with the tube.

Installation Procedure


    Object Number: 1308480  Size: SH
  1. Install the in-car sensor.
  2. Install the in-car sensor retaining screws and tighten.
  3. Install the air inlet tube and connect the electrical connector.
  4. Install the instrument panel under cover.
  5. Connect the battery negative cable.
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