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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Wiper System And Washer System) >> Repair Instructions >> Wiper Motor Crank Arm Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the wiper motor crank arm onto the wiper motor.
  2. 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 wiper motor crank arm and repeat installation.
    3. Fig 1: Measuring Gap Between Wiper Motor Crank Arm & Bracket Tab
    GM512040Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the wiper motor crank arm screw.

    Tighten:  Tighten the screw to 16 N.m (12 lb ft).

    4. Fig 2: Wiper Motor Crank Arm Cover & Screw
    GM334250Courtesy of GENERAL MOTORS CORP.
  4. Install the wiper motor crank arm cover.
  5. Using the J 39529  , install the wiper transmission to the wiper motor crank arm. See Special Tools and Equipment .
    6. Fig 3: Installing Wiper Transmission To Wiper Motor Crank Arm
    GM306515Courtesy of GENERAL MOTORS CORP.
  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  7. Operate the windshield wipers and inspect for proper operation.
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