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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Wiper System & Washer System) >> Repair Instructions >> Wiper Motor Crank Arm Replacement >> Installation Procedure

Installation Procedure

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  1. Install the wiper motor crank arm (3) on the wiper motor shaft while maintaining a 4-8 mm (0.157-0.314 in) gap between the wiper motor crank arm and the bracket tab.
  2. Install the nut (1) which secures the crank arm to the wiper motor shaft.
    CAUTION: Refer to FASTENER NOTICE .
  3. Measure the gap between wiper motor crank arm and the bracket tab. If the gap is not 4-8 mm (0.157-0.314 in), remove the crank arm and repeat installation.

    Tighten 

    Tighten the wiper motor crank arm nut to 16 N.m (12 lb ft).

    Fig 1: Installing Wiper Motor Crank Arm
    G02422421Courtesy of GENERAL MOTORS CORP.
  4. Install the wiper transmission on the wiper motor crank arm using the J 39529  .
    Fig 2: Installing Wiper Transmission Using J 39529
    G02422422Courtesy of GENERAL MOTORS CORP.
  5. Install the wiper motor module assembly. Refer to Wiper Motor Module Replacement  .
    Fig 3: Installing Wiper Motor Module Assembly
    G02422423Courtesy of GENERAL MOTORS CORP.
  6. Install the air inlet grille panels (1,2). Refer to AIR INLET GRILLE PANEL REPLACEMENT .
  7. Install the wiper arms. Refer to Wiper Arm Replacement  .
  8. Operate the windshield wipers and inspect for proper operation.
    Fig 4: Installing Air Inlet Grille Panels
    G02422424Courtesy of GENERAL MOTORS CORP.
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