Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 696 (WIPER SYSTEM AND WASHER SYSTEM)REPAIR INSTRUCTIONSWIPER MOTOR 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 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Remove the wiper arms. Refer to Wiper Arm Replacement .
Remove the air inlet grille panel. Refer to AIR INLET GRILLE PANEL REPLACEMENT .
Remove the three bolts and two nuts retaining the windshield frame reinforcement.
Remove the windshield frame reinforcement.

Fig 1: Removing Windshield Frame Reinforcement
Courtesy of GENERAL MOTORS CORP.
Pull or push on the wiper transmission linkage to rotate the wiper motor crank arm (2) from the park position (1) to the area opposite the park position (3).

Fig 2: Moving Wiper Transmission Linkage
Courtesy of GENERAL MOTORS CORP.
Remove the harness grommet from the hole in the plenum.
Disconnect the wiper motor harness connector.
Push the harness and grommet through the hole in the plenum.
Remove the three screws retaining the wiper system drive module.

Fig 3: Removing Wiper System Drive Module Screws
Courtesy of GENERAL MOTORS CORP.
Remove the wiper system drive module from the vehicle.

Fig 4: Removing Wiper system Drive Module
Courtesy of GENERAL MOTORS CORP.
Remove the drive link from the wiper motor crank arm with the J 39232 .

Fig 5: Removing Drive Link
Courtesy of GENERAL MOTORS CORP.
Remove the screws retaining the wiper motor.
Remove the wiper motor from the wiper drive system module.

Fig 6: Removing Wiper Motor
Courtesy 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.