LS400 1990-1997

Windshield Wiper Systems

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Removal & Installation



Wiper Motor
  1. Remove the wiper arm and blade assembly.
  2.  
  3. Remove the cowl top louver.
    1. Remove the hood to cowl seal.
    2.  
    3. Remove the cowl louver. Raise the front side of the cowl louver up and remove the cowl louver.
    4.  

  4.  
  5. Remove the wiper motor and link.
    1. Remove the 4 set bolts.
    2.  
    3. Disconnect the connector.
    4.  
    5. Raise the front side of the wiper motor and link assembly up and remove the wiper motor and link assembly.
    6.  
    7. Remove the wiper motor cover.

      Click image to see an enlarged view

      Fig. Front wiper and washer components

    8.  

  6.  

To install:

  1. Install the wiper motor and link assembly.
    1. Install the wiper motor cover.
    2.  
    3. Install the wiper motor and link assembly.
    4.  
    5. Connect the connector.
    6.  
    7. Install and torque the 4 bolts. Tighten bolts to 5.4 N-m (55 kgf-cm, 48 in.-lbf)
    8.  

  2.  
  3. Install the cowl louver.
    1. Install the cowl louver. With the front side of the louver raised, install the protector on the glass, the push the louver down.
    2.  
    3. Install the hood to cowl seal.
    4.  

  4.  
  5. Install the wiper arm and blade.
    1. Install the wiper arms and blades, and operate the wipers once and turn the wiper switch OFF.
    2.  
    3. Torque the sub arm stay set bolt. Tighten the bolt to 48 inch lbs. (5.4 Nm).
    4.  
    5. Adjust the installation positions of the wiper arms and blades. Tighten the nuts to 15 ft. lbs. (20 Nm).
    6.  

  6.  

 
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