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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 871 (WIPER SYSTEM AND WASHER SYSTEM)REPAIR INSTRUCTIONSWINDSHIELD OUTSIDE MOISTURE SENSOR LENS REPLACEMENT
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Windshield Outside Moisture Sensor Lens Replacement

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Windshield Outside Moisture Sensor Lens Replacement
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Fig 1: View Of Windshield Moisture Sensor, Lens & Cover
GM1857772Courtesy of GENERAL MOTORS COMPANY
Windshield Outside Moisture Sensor Lens Replacement

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.
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:

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