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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1610 (WIPER SYSTEM & WASHER SYSTEM)REPAIR INSTRUCTIONSWIPER ARM 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 Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Mark the position of the wiper blade on the windshield with a suitable marker or a piece of masking tape.
  2. Remove the cover from the nut on the wiper arm.
  3. Remove the nut from the wiper arm.
    IMPORTANT: Use a battery terminal puller to remove the wiper arm if rocking the wiper arm fails to loosen it from the drive shaft.
  4. Rock the wiper arm back and forth to loosen it from the drive shaft.
    Fig 1: Wiper Arm Blade & Wiper Arm
    GM751297Courtesy of GENERAL MOTORS CORP.
  5. Remove the wiper arm from the drive shaft.
  6. Remove the wiper arm blade from the wiper arm. Refer to Wiper Arm Replacement .
  7. Clean the knurls of the drive shaft with a wire brush.
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.