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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 406 (WIPER SYSTEM AND WASHER SYSTEM)REPAIR INSTRUCTIONSWINDSHIELD WIPER TRANSMISSION REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Pivot Arms & Drive Links

Courtesy of GENERAL MOTORS CORP.

Position the transmission drive links (4) to the pivot arms (3,5).

Fig 2: View Of Special Tool J39529 And Wiper Motor Crank Arm

Courtesy of GENERAL MOTORS CORP.

Install the drive links onto the wiper motor crank arm and the wiper transmission drive shafts with the J-39529: installer.

Fig 3: View Of Windshield Wiper Motor Components

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector (4) to the motor.
Position the transmission (2) to the fender flange pin.

CAUTION: Refer to Fastener Caution .

Install the bolts (3,5) and tighten to 10 N.m (89 lb in).

Fig 4: View Of Wiper Arm Components

Courtesy of GENERAL MOTORS CORP.

Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
Install the wiper arms (1,4). Refer to Windshield Wiper Arm Replacement .
Operate the wipers and check for proper operation.

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.