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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1006 (WIPER SYSTEM & WASHER SYSTEM)REPAIR INSTRUCTIONSWIPER TRANSMISSION REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the wiper arms. Refer to Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  3. Remove the 4 bolts and the reinforcement panel.
    4. Fig 1: Removing Reinforcement Panel
    GM348540Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the electrical connector from the wiper motor.
    5. Fig 2: Disconnecting Wiper Motor Electrical Connector
    GM348725Courtesy of GENERAL MOTORS CORP.
  5. Remove the 2 bolts from the wiper transmission assembly.
  6. Remove the wiper transmission assembly from the vehicle.
    7. Fig 3: Removing Wiper Transmission Assembly
    GM348543Courtesy of GENERAL MOTORS CORP.
  7. Remove the drive link from the wiper motor crank arm with the J 39232  . See Special Tools .
    Fig 4: Disconnecting Wiper Transmission From Wiper Motor Crank Arm
    GM306506Courtesy of GENERAL MOTORS CORP.
  8. Remove the 2 bolts retaining the wiper motor.
  9. Remove the wiper motor from the wiper transmission assembly.
    10. Fig 5: Removing Wiper Motor
    GM513716Courtesy of GENERAL MOTORS CORP.
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.