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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 134 (WIPER SYSTEM & WASHER SYSTEM)REPAIR INSTRUCTIONSLIFTGATE WIPER MOTOR 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 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Rear Wiper Motor Assembly
    GM1523829Courtesy of GENERAL MOTORS CORP.
  1. Position the rear wiper motor (3) to the liftgate.
    2. NOTE: Refer to Fastener Notice .
  2. Install the wiper motor washers (2) and bolts (1).

    Tighten:  Tighten the bolts to 7 N.m (62 lb in).

  3. Connect the wiper motor electrical connector.
  4. Connect the washer hose to the wiper motor.
  5. Install the wiper motor cover (4) to the motor.
  6. Lower the liftgate.
    7. Fig 2: Identifying Wiper Motor Shaft Components
    GM1523827Courtesy of GENERAL MOTORS CORP.
  7. Install the wiper shaft seal (4) and spacer (3).
  8. Install the wiper motor shaft nut (2).

    Tighten:  Tighten the nut to 5 N.m (44 lb in).

  9. Install the wiper motor shaft cap (1).
  10. Install the rear wiper arm. Refer to Rear Window Wiper Arm Replacement .
RENDER: 1.0x

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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.