GM Service Manual Online
For 1990-2009 cars only

Object Number: 1857772  Size: SF

Callout

Component Name

Procedure

Remove the rain sensor module from the windshield bracket. Refer to Windshield Outside Moisture Sensor Replacement .

1

Windshield Moisture Sensor

Procedure

  1. Wearing latex rubber gloves, hold the moisture sensor in the left or right hand.
  2. Release the 3 clips securing the lens to the sensor. Be careful when disengaging the sensor and the lens cover, keep the sensor electronics free from any dirt, debris or foreign material while open.
  3. Discard the old moisture sensor lens.

2

Windshield Moisture Sensor Lens

3

Windshield Moisture Sensor Lens Cover

Procedure

  1. Remove the old conductive jell residue from the windshield mounting bracket.
  2. Clean the area of the windshield that contacts the windshield moisture sensor lens with a 50/50 mixture of isopropyl alcohol and water by volume on a dampened lint free cloth.
  3. Align and secure the two sensor halves back as one unit.
  4. Remove the plastic protective covering from the lens.
  5. Position and install the moisture sensor back onto the windshield bracket.
  6. Connect the electrical cover.
  7. Secure the rain sensor module trim cover.