GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Wiper Motor

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4 and 5

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Fig. Fig. 1: Exploded view of the windshield wiper motor and related components



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Fig. Fig. 2: For 1995-96 Chevrolets, detach the crank arm from the transmission assembly using the special tool as shown



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Fig. Fig. 3: For 1995-96 Chevrolets, attach the crank arm to the transmission



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Fig. Fig. 4: Unfasten the retaining nuts, then detach the crank arm from the motor



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Fig. Fig. 5: If necessary, remove the motor cover

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the wiper module assembly from the vehicle as outlined earlier.
  4.  
  5. For 1995-96 Chevrolets, separate the wiper motor crank arm from the wiper transmission assembly using tool J 39232.
  6.  
  7. Unfasten the nut, then remove the crank arm from the motor.
  8.  

For all vehicles except 1995-96 Chevrolets, the crank arm must be removed from the wiper motor only. Do NOT remove the crank arm from the transmission assembly because of a factory preset adjustment.

  1. Unfasten the 3 retaining screws and bracket, then remove the motor from the tube frame.
  2.  
  3. If necessary, remove the cover from the wiper motor assembly by removing the retaining screws.
  4.  

To install:
  1. If removed, attach the cover to the wiper motor and secure with the retaining screws.
  2.  
  3. Attach the motor and bracket (if equipped) to the module assembly and secure with the retaining screws. Tighten to 106 inch lbs. (12 Nm).
  4.  
  5. Fasten the wiper motor crank arm on the wiper motor assembly and secure with the retaining nut. Tighten the nut to 18 ft. lbs. (25 Nm).
  6.  
  7. For 1995-96 Chevrolets, attach the wiper transmission assembly on the wiper motor crank arm using tool J 39529 or equivalent.
  8.  
  9. Install the module assembly in the vehicle, as outlined earlier in this section.
  10.  
  11. Connect the negative battery cable and check for proper wiper operation.
  12.  

 
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