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 702 (WIPER SYSTEM & 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 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. 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.

Fig 1: Air Inlet Grille Panel

Courtesy of GENERAL MOTORS CORP.

Remove the 4 bolts and the reinforcement panel.
Disconnect the electrical connector from the wiper motor.

Fig 2: Wiper Motor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the 2 bolts from the wiper transmission assembly.
Remove the wiper transmission assembly from the vehicle.

Fig 3: Wiper Transmission Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the drive link from the wiper motor crank arm with the J 39232 .

Fig 4: Removing Drive Link From Wiper Motor Crank Arm
Courtesy of GENERAL MOTORS CORP.
Remove the 2 bolts retaining the wiper motor.
Remove the wiper motor from the wiper transmission assembly.

Fig 5: Removing Wiper Motor From Wiper Transmission Assembly
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.