Mitsubishi Pick-ups and Montero 1983-1995 Repair Guide

Rear Wiper and Washer Motor

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Rear wipers and washer motors were only factory-installed on Monteros.

REMOVAL & INSTALLATION



1983-91 Models

See Figure 1

  1. Disconnect the negative (-) battery cable from the battery.
  2.  
  3. Remove the inside handle cover by unscrewing the retaining screws.
  4.  
  5. Remove the back door trim-refer to Body & Trim for the procedure.
  6.  
  7. Pop the wiper arm nut cover off and remove the retaining nut.
  8.  
  9. Pull the wiper arm off of the stem.
  10.  
  11. Remove the wiper pivot nut, the wiper pivot cap, the wiper pivot washer and the wiper pivot packing from the wiper motor stem.
  12.  
  13. Disconnect any wiring going to the wiper and washer motors.
  14.  
  15. Remove the wiper motor retaining bolts and pull the motor off of the door.
  16.  
  17. Remove the right, rear quarter panel trim-refer to Body & Trim for the instructions.
  18.  
  19. Remove the washer tank assembly mounting bolts. Be careful, the washer tank might be full of washer fluid. Empty the washer tank assembly into a clean container.
  20.  
  21. Disconnect the wiring from the washer motor and pump assembly.
  22.  
  23. Remove the washer motor and pump from its the washer fluid tank.
  24.  



Click image to see an enlarged view

Fig. Fig. 1: Rear window wiper and washer system components and their locations-1983-91 Monteros

  1. To install, place the washer motor in its mounting bracket and tighten the bracket to hold it.
  2.  
  3. Connect the washer tube to the motor, and mount the washer tank assembly to the wall.
  4.  
  5. Hook the wiring back up to the washer motor and pump assembly.
  6.  
  7. Install the rear quarter trim panel.
  8.  
  9. Mount the wiper motor onto the door and torque the mounting bolts to 5-7 ft. lbs. (7-10 Nm).
  10.  
  11. Connect the electrical wiring to the wiper motor.
  12.  
  13. Slide the wiper pivot packing, washer, pivot cap and nut onto the stem. Tighten the nut to 6-9 ft. lbs. (8-12 Nm).
  14.  
  15. Install the wiper arm onto the wiper motor stem so that the wiper blade is parallel to the lower edge of the window glass.
  16.  
  17. Install the retaining nut onto the wiper motor stem at a torque of 5-7 ft. lbs. (7-10 Nm) and pop the cover back over the nut.
  18.  
  19. Install the back door trim and the waterproof film to the inside of the door.
  20.  
  21. Place the inside handle cover in position and secure it there with the retaining screws.
  22.  
  23. Fill the washer motor tank with clean washer fluid.
  24.  
  25. Connect the negative (-) battery cable back to the battery.
  26.  

1992-95 Models
  1. Disconnect the negative (-) battery cable from the battery.
  2.  
  3. Pop the wiper arm nut cover off and remove the retaining nut.
  4.  
  5. Pull the wiper arm off of the stem.
  6.  
  7. Remove the back door trim-refer to Body & Trim for the procedure.
  8.  
  9. Disconnect any wiring going to the wiper and washer motors.
  10.  
  11. Remove the wiper motor retaining bolts and pull the motor off of the door.
  12.  
  13. Remove the washer tank assembly mounting bolts. Be careful, the washer tank might be full of washer fluid. Empty the washer tank assembly into a clean container.
  14.  
  15. Disconnect the washer tube from the washer motor and remove the motor from its mounting bracket.
  16.  
  17. To install, place the washer motor in its mounting bracket and tighten the bracket to hold it.
  18.  
  19. Connect the washer tube to the motor, and mount the washer tank assembly to the door.
  20.  
  21. Install the grommet on the wiper motor so that he arrow on the grommet points down.
  22.  
  23. Mount the wiper motor onto the door and torque the mounting bolts to 18 ft. lbs. (25 Nm).
  24.  
  25. Connect any wiring to the two motors.
  26.  
  27. Install the back door trim and the waterproof film to the inside of the door.
  28.  
  29. Install the wiper arm onto the wiper motor stem so that the upper tip of the wiper blade is 2.5-3 in. (65-75mm) away from the right-hand side ceramic section surrounding the window.
  30.  
  31. Install the retaining nut onto the wiper motor stem at a torque of 6 ft. lbs. (8 Nm) and pop the cover back over the nut.
  32.  
  33. Fill the washer motor tank with clean washer fluid.
  34.  
  35. Connect the negative (-) battery cable back to the battery.
  36.  

 
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