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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 739 (WIPER SYSTEM AND WASHER SYSTEM)REPAIR INSTRUCTIONSWIPER ARM REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the wiper blade on the wiper arm. Refer to Wiper Arm Blade Replacement .
    Fig 1: Installing Wiper Blade On Wiper Arm
    G01779729Courtesy of GENERAL MOTORS CORP.
  2. Install the wiper arm on the wiper transmission drive shaft.
    1. 2.1. Put the ignition switch in the ACCY position.
    2. 2.2. Set the wiper switch to the PULSE position. The windshield wiper system should be operating.
    3. 2.3. Turn the ignition off when the wipers are in the inner wipe position, same as the park position, and not moving.

      Important:  The measuring device must be held at 90 degrees, perpendicular, to the wiper blade.

    4. 2.4. Install the wiper arm onto the wiper transmission drive shaft while maintaining the following distances between the wiper blade and the bottom of the windshield:
    • Driver side - LH blade tip - 47 mm (1.85 in)
    • Passenger side - RH wiper arm - 90 mm (3.54 in)
    CAUTION: Refer to FASTENER NOTICE .
  3. Install the wiper arm nut.

    Tighten 

    Tighten the nut to 30 N.m (22 lb ft).

  4. Install the cover to the wiper arm nut.
  5. Connect the washer hose to the wiper arm.
    Fig 2: Installing Wiper Arm Nut
    G01779730Courtesy 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.