Isuzu Ascender 2003-05

Windshield Wiper System

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Wiper Arms



Removal & Installation
  1. Remove the cover from the nut on the wiper arm.
  2.  
  3. Hold the wiper arm and remove the nut from the wiper arm.
  4.  
  5. Push inward at the wiper arm pivot in order to loosen it from the drive shaft.
    NOTE
    Use a battery terminal puller to remove the wiper arm if rocking the wiper arm fails to loosen it from the drive shaft.

  6.  
  7. Remove the wiper arm from the pivot shaft.
  8.  
  9. Remove the wiper arm blade from the wiper arm.
  10.  
  11. Clean the knurls of the drive shaft with a wire brush.

    Click image to see an enlarged view

    Fig. Wiper arms and windshield

  12.  

To install:

  1. Install the wiper arm blade to the wiper arm.
  2.  
  3. Install the wiper arm onto the drive shaft.
  4.  
  5. Hold the wiper arm blade (2) in position to the dots (1) in the windshield blackout area.

    Click image to see an enlarged view

    Fig. Wiper arm positioning

  6.  
  7. Install the nut on the drive shaft.
  8.  
  9. Tighten the nut to 22 ft. lbs. (30 Nm).
  10.  
  11. Install the cover on the nut.
  12.  

Wiper Motor



Removal & Installation
  1. Remove the windshield wiper arms.
  2.  
  3. Remove the air inlet grille panel.
  4.  
  5. Remove the bolts retaining the wiper transmission assembly to the vehicle.
  6.  
  7. Carefully push the wiper transmission assembly rearward to disengage the wiper motor from the slot in the plenum.
  8.  
  9. Disconnect the wiper motor electrical connector.
  10.  
  11. Remove the wiper transmission assembly from the cowl panel plenum.

    Click image to see an enlarged view

    Fig. Wiper transmission assembly removal

  12.  
  13. Remove wiper motor from transmission assembly.
  14.  

To install:

  1. Install wiper motor to transmission assembly.
  2.  
  3. Position the wiper transmission assembly to the cowl panel plenum.
  4.  
  5. Connect the electrical connector to the wiper motor.
  6.  
  7. Insert the wiper motor post into the slot in the plenum, push the transmission assembly forward to seat the post.
  8.  
  9. Install the bolts retaining the wiper transmission assembly to the vehicle.
  10.  
  11. Tighten the wiper transmission assembly bolts to 71 inch. lbs. (8 Nm).
  12.  
  13. Install the air inlet grille panel.
  14.  
  15. Install the windshield wiper arms.
  16.  

 
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