GM Full-Size Trucks 1988-1998 Repair Information

Rear Window Wiper Motor

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REMOVAL & INSTALLATION



See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the rear wiper arm.
  4.  



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Fig. Fig. 1: Rear window wiper motor mounting

  1. Remove the motor cover as follows:
    1. Push the retainer pin into the cover using a punch. There are four retainers.
    2.  
    3. Unfasten the cover retainers and remove the cover.
    4.  

  2.  
  3. Unplug the motor wiring.
  4.  
  5. Remove the mounting bolts, nuts, spacers and washers, then lift out the motor.
  6.  

To install:
  1. Install the motor, washers, spacers, bolts and nut. Tighten the bolt to 53 inch lbs. (6 Nm).
  2.  
  3. Attach the motor wiring.
  4.  
  5. Install the cover as follows:
    1. Install the cover and the retainers. Push the pins into the retainers until the top of the pin is flush with the top of the retainer.
    2.  

  6.  
  7. Install the wiper arm and connect the battery cable.
  8.  

 
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