Infinity_QX4_1998-2003

Windshield Wiper System

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Windshield Wiper Motor



Removal & Installation
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the wiper blade and arm assemblies.
  4.  
  5. Remove 4 bolts that secure wiper motor.
  6.  
  7. Detach wiper motor from wiper linkage at ball joint.
  8.  
  9. Remove wiper linkage.
    NOTE
    Be careful not to break ball joint rubber boot.



    Click image to see an enlarged view

    Fig. Exploded view of the front wiper motor and linkage

  10.  

To install:

  1. Grease the ball joint portion of the linkage.
  2.  
  3. Installation of the linkage and motor is the reverse order of removal, noting the tightening specifications in the accompanying illustration.
  4.  
  5. Connect the negative battery cable.
  6.  
  7. Clean the pivot area of the wiper arm as shown to reduce the possibility of the wiper arms being loose after installation.

    Click image to see an enlarged view

    Fig. Clean the pivot area of the wiper arm as shown to reduce the possibility of the wiper arms being loose after installation

  8.  
  9. Before installing the wiper arms, turn the wiper switch on to operate the wiper motor and then turn it OFF (Auto Stop).
  10.  
  11. Lift the blade up and then set it down onto glass surface to set the blade center to clearance L1 & L2 immediately before tightening nut.
  12.  
  13. Eject washer fluid. Turn on wiper switch to operate wiper motor and then turn it OFF.
  14.  
  15. Ensure that wiper blades stop within clearance L1 & L2:
    1. L1: 29 - 30 mm (1.14 - 1.18 in)
    2.  
    3. L2: 32 - 42 mm (1.26 - 1.65 in)

      Click image to see an enlarged view

      Fig. Wiper arm adjustment

    4.  

  16.  
  17. Tighten wiper arm nuts to 15 - 20 ft. lbs. (21 - 26 Nm).
  18.  

 
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