Windshield Outside Moisture Sensor Replacement

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Windshield Outside Moisture Sensor Replacement
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Windshield Outside Moisture Sensor
GM1672193Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Rain Sensor Module Trim Cover
Procedure:Β 
Gently pry the trim cover outward in order to remove the cover from the rain sensor module.
2 Electrical Connector
Procedure:Β 
Disconnect the electrical connector.
3 Rain Sensor Module and Retainer Clips

Procedure

  1. Disengage the two metal retaining clips from the mounting bracket on the windshield.
  2. Remove the entire sensor from the windshield.
  3. Remove the old conductive gel residue from the windshield.
  4. 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.
  5. Remove the plastic protective covering from the lens of the new sensor.
  6. Position and install the moisture sensor back onto the windshield bracket.
  7. Engage the two metal retaining clips to the mounting bracket on the windshield.
  8. Connect the electrical cover.
  9. Secure the rain sensor module trim cover.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.