GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: A GM service kit is included with a new rain sensor module.


    Object Number: 259368  Size: SH
  1. Use the tape (1) in order to mark the rain sensor module (2) location on the outside of the windshield.

  2. Object Number: 309346  Size: SH
  3. Disconnect the connector (1) from the rain sensor module (2).

  4. Object Number: 259368  Size: SH

    Important: Do not apply direct heat to the area around the outside moisture sensor module. Continuous exposure to heat can damage the sensor module or the windshield.

  5. Apply heat to the sensor (2) area of the windshield. Use a heat gun with a maximum of 740 watts.

  6. Object Number: 259369  Size: SH
  7. In order to remove the rain sensor (2) from the windshield, twist the sensor back and forth.
  8. Remove the rain sensor module from the windshield.

  9. Remove the tape residue from the windshield.
  10. Cover the instrument panel below the sensor with a protective cloth.
  11. Caution: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.

  12. Use a sharp plastic scraper in order to remove the optical tape from the windshield.
  13. Wipe the windshield until the remaining tape residue is completely removed. Use a cloth and cleaning solution.

Installation Procedure

Important: The temperature of the windshield must be 13°C (55°F)-38°C (100°F) for proper adhesion.

  1. Remove the red backing from the optical tape.
  2. Install the sensor on the windshield.

  3. Firmly push the sensor against the windshield. Hold the sensor for 10 to 15 seconds.
  4. Inspect the sensor for air bubbles between the tape and the windshield. Repeat the previous step, if incomplete adhesion or bubbles are present.

  5. Object Number: 309346  Size: SH
  6. Attach the rain sensor (2) to the windshield.
  7. Important: Do not move or shift the sensor on the windshield after installation.

  8. Connect the wiring connector (1) to the sensor (2).

  9. Object Number: 259368  Size: SH
  10. Remove the tape (1) from the windshield.
  11. Inspect the operation of the rain sensor wiping system. Refer to Wiper/Washer Systems in Body and Accessories.