GM Corvette 1984-1996 Repair Guide

Windshield Wiper Motor

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REMOVAL & INSTALLATION



See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Unplug the motor park switch and the circuit board electrical connectors at the motor.
  4.  
  5. Remove the left wiper arm and the left side plenum screen.
  6.  
  7. Remove the wiper transmission nuts and sockets.
  8.  
  9. For the VIN J engine, remove the crank nut and crank arm.
  10.  
  11. If equipped, disconnect the vacuum booster supply hose at the plenum.
  12.  
  13. Remove the wiper motor mounting bolts.
  14.  
  15. Unplug any remaining motor electrical connectors while removing wiper motor assembly.
  16.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of a typical wiper motor and transmission assembly

To install:
  1. Attach the wiper motor electrical connector.
  2.  
  3. Install the wiper motor and gasket by guiding the crank arm through the hole in the plenum panel and positioning it over the transmission.
  4.  

If installing a replacement motor on the VIN J engine, it may be necessary to file the motor shaft so the crank arm can slip over the shaft.

  1. Install the motor mounting bolts and tighten to 27 inch lbs. (3 Nm).
  2.  
  3. For the VIN J engine, install the crank arm nut and tighten to 30 ft. lbs. (42 Nm).
  4.  
  5. If applicable, connect the vacuum hose.
  6.  
  7. Install the transmission link sockets and nuts. Tighten the nuts to 27 inch lbs. (3 Nm).
  8.  
  9. Install the left plenum screen and the left wiper arm, then connect the motor upper electrical connectors.
  10.  
  11. Connect the negative battery cable and check motor operation.
  12.  

 
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