GM Astro/Safari 1985-1996 Repair Guide

Wiper Linkage

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5, 6 and 7

The following procedure is easier if you use GM Windshield Wiper Blade/Arm Removal tool No. J8966 or equivalent.

  1. Using the GM Windshield Wiper Blade/Arm Removal tool No. J8966 or equivalent, remove the wiper blade/arm assemblies from the pivot shafts.
  2.  
  3. Remove the antenna, if necessary.
  4.  
  5. Remove the outside air cowl ventilator grille-to-cowl screws and the grille from the cowl.
  6.  
  7. At the center of the cowl, remove the link rod-to-motor drive nut, then disengage the link rod from the pins.
  8.  
  9. Remove the arm transmission pivot shaft assembly-to-cowl nuts.
  10.  
  11. Remove the pivot shaft assembly (with link rod) from the plenum chamber.
  12.  

To install:
  1. Operate the wiper motor (momentarily) to position the pivot shafts in the park position.
  2.  
  3. Install the pivot shaft assembly (with link rod) in the plenum chamber.
  4.  
  5. Install the arm transmission pivot shaft assembly-to-cowl nuts.
  6.  
  7. At the center of the cowl, install the link rod-to-motor drive nut.
  8.  
  9. Install the outside air cowl ventilator grille-to-cowl screws and grille to the cowl.
  10.  
  11. Install the antenna.
  12.  
  13. Install the wiper blade/arm assemblies on the pivot shafts. Check for proper operation.
  14.  



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Fig. Fig. 1: Remove the screws holding the cowl grille.



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Fig. Fig. 2: The grille will only come off once the wiper arms are removed



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Fig. Fig. 3: The screen comes out after the grille is removed



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Fig. Fig. 4: The linkage pops off the motor arm to remove



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Fig. Fig. 5: Check bushing condition when the linkage is removed



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Fig. Fig. 6: The linkage stubs are held by the large nuts at the cowl



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Fig. Fig. 7: Windshield wiper assembly and linkage

 
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