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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System - Service Information >> Front Wiper Motor >> Removal [10/2017 - 10/2020] >> Procedure

Removal [10/2017 - 10/2020]: Procedure

  1. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 2

  2. REMOVE FRONT WIPER ARM HEAD CAP 
    1. Using a thin-bladed screwdriver with its tip wrapped with protective tape, detach the claw and remove the front wiper arm head cap.
      GTY827435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Protective Tape

      HINT: 

      Use the same procedure for the RH and LH sides.

  3. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH 
    1. Disconnect the 2 windshield washer hose assemblies.
      GTY800267Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Ensure that the washer grommet is not removed.

    2. Remove the nut and the front wiper arm and blade assembly LH.
      GTY832765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      While holding the front wiper arm and blade assembly LH, loosen the nut.

  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH 
    1. Disconnect the 2 windshield washer hose assemblies.
      GTY832766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Ensure that the washer grommet is not removed.

    2. Remove the nut and the front wiper arm and blade assembly RH.
      GTY800266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      While holding the front wiper arm and blade assembly RH, loosen the nut.

  5. REMOVE FRONT FENDER REINFORCEMENT SUB-ASSEMBLY TOP LH 

    Refer to PROCEDURE - Step 2

  6. REMOVE HOOD TO COWL TOP SEAL 
    1. Detach the clip and remove the hood to cowl top seal.
      GTY800285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE COWL TOP VENTILATOR LOUVER REINFORCEMENT 
    GTY785902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Remove in this Direction
    1. Detach the claw and clip and remove the cowl top ventilator louver reinforcement as shown in the illustration.
  8. REMOVE CENTER NO. 2 COWL TOP VENTILATOR LOUVER 
    1. Detach the claw and pull in the direction of the arrow shown in the illustration to detach the guide and remove the No. 2 center cowl top ventilator louver.
      GTY791795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
  9. REMOVE CENTER COWL TOP VENTILATOR LOUVER 
    1. Detach the claw and clip.
      GTY830347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    2. Pull in the direction of the arrow shown in the illustration to detach the guide and remove the center cowl top ventilator louver.
  10. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 
    1. Type A:
      GTY832772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the 2 windshield washer hose assemblies as shown in the illustration
        NOTE:

        Make sure to disconnect the windshield washer hose assembly as shown in the illustration to prevent improper installation during reinstallation.

      2. Disconnect the clamp.
    2. Type B:
      GTY966270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the 2 windshield washer hose assemblies as shown in the illustration
        NOTE:

        Make sure to disconnect the windshield washer hose assembly as shown in the illustration to prevent improper installation during reinstallation.

    3. Remove the 4 clips.
      GTY800291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Detach the claw and partially remove the lower windshield outside moulding RH.
      GTY800289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Use the same procedure for the RH and LH sides.

    5. Apply protective tape to the moulding remover as shown in the illustration.
      GTY832959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Edge of Protective Tape
      Protective Tape

      Standard Dimension

      Location Measurement
      A 4.0 mm (0.157 in.)
    6. Insert the moulding remover into the work start position until the edge of the protective tape as shown in the illustration.
      GTY835980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Starting Position:
      Side of Cowl Top Ventilator Louver Sub-assembly and Moulding Remover Aligned      		 *b Inserted to Edge of Protective Tape
      *c Not Inserted at Starting Position *d Not Inserted to Edge of Protective Tape
      *e Not Inserted Straight *f Piece of Cloth or Equivalent
      Protective Tape - -
      NOTE:
      • The windshield glass may become damaged. Therefore, place a cloth between the moulding remover and windshield glass.
      • Be sure to insert the moulding remover until the edge of the protective tape as the cowl top ventilator louver sub-assembly may become deformed or damaged.
    7. While holding down the moulding remover in the direction (A) indicated by the arrow, pry in the direction (B) indicated by the arrow to detach as shown in the illustration.
      GTY826355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Push in this Direction (A) Push in this Direction (B)
      NOTE:
      • Use the same procedure until completely detached.
      • If the work is not performed while holding down the moulding remover in the direction (A) indicated by the arrow, the cowl top ventilator louver sub-assembly may become deformed or damaged.
      • Once detached by the moulding remover, do not apply more load in the prying direction as the cowl top ventilator louver sub-assembly may become deformed or damaged.
        GTY827729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Pried Until Disengaged *b Pried Excessively
    8. Slide the moulding remover repeatedly by half of its width and gradually detach the cowl top ventilator louver sub-assembly from the windshield glass from both ends as shown in the illustration.
      GTY799523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Half Width of Moulding Remover - -
      Order of Removal - -
      NOTE:
      • Be sure to detach by sliding the moulding remover repeatedly by half of its width as the cowl top ventilator louver sub-assembly may become deformed or damaged.
      • Be sure to detach with the moulding remover until the cowl top ventilator louver sub-assembly is completely detached and do not apply load such as by lifting up the cowl top ventilator louver sub-assembly by hand as it may become deformed or damaged.
    9. Pull the front of the cowl top ventilator louver sub-assembly upward and rotate it as shown in the illustration, and remove the cowl top ventilator louver sub-assembly.
      GTY803392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Place Hand Here Remove in this Direction
  11. REMOVE WINDSHIELD WASHER HOSE ASSEMBLY 
    1. LH Side:
      1. Disconnect the 2 windshield washer hose assemblies from the No. 1 washer grommet sub-assembly.
        NOTE:

        Make sure to apply matchmarks on the cowl top ventilator louver sub-assembly and windshield washer hose assembly to prevent improper installation during reinstallation.

        GTY819414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Matchmark
      2. Disconnect the grommet and pull out the windshield washer hose assembly.

        HINT: 

        If the grommet connection is stiff, disconnect it after removing the windshield washer hose assembly.

        GTY836818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Remove in this Direction
    2. RH Side:
      1. Disconnect the 2 windshield washer hose assemblies from the No. 2 washer grommet sub-assembly.
        GTY800977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Matchmark
        NOTE:

        Make sure to apply matchmarks on the cowl top ventilator louver sub-assembly and windshield washer hose assembly to prevent improper installation during reinstallation.

      2. Disconnect the grommet and pull out the windshield washer hose assembly.
        GTY823803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Remove in this Direction

        HINT: 

        If the grommet connection is stiff, disconnect it after removing the windshield washer hose assembly.

    3. Detach the clamp and remove the windshield washer hose assembly.
      GTY800189Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 1 WASHER GROMMET SUB-ASSEMBLY 
    1. Remove the No. 1 washer grommet sub-assembly from the cowl top ventilator louver sub-assembly.
      GTY800183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE NO. 2 WASHER GROMMET SUB-ASSEMBLY 

    HINT: 

    Use the same procedure for the No. 1 washer grommet sub-assembly.

  14. REMOVE WIPER MOTOR COVER 
    GTY830295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Place Hand Here
    Remove in this Direction
    1. Place your hand at the position shown in the illustration and pull in the direction indicated by the arrow to detach the clamp.
    2. Detach the claw and remove the wiper motor cover.
      GTY832747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE FRONT WIPER MOTOR AND LINK (for Type A) 
    1. Detach the wire harness clamp and disconnect the connector.
      GTY837554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Grommet
      Bolt
      Connector
    2. Remove the 2 bolts.
    3. Detach the grommet and remove the front wiper motor and link as shown in the illustration.
      NOTE:

      Do not damage the vehicle with the front wiper motor and link.

  16. REMOVE FRONT WIPER MOTOR AND LINK (for Type B) 
    1. Remove the 2 bolts.
      GTY966411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Grommet
      Bolt
    2. Detach the grommet and remove the front wiper motor and link as shown in the illustration.
      NOTE:

      Do not damage the vehicle with the front wiper motor and link.

    3. Slide the front wiper motor and link toward the inside of the vehicle and detach the wire harness clamp.
      GTY966654Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Slide in this Direction
    4. GTY967346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Slide in this Direction

      Slide the front wiper motor and link toward the inside of the vehicle and detach the wire harness clamp.

    5. Pull out the front wiper motor and link from the vehicle and disconnect the connector.
      GTY966423Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY 
    1. Using a screwdriver with its tip wrapped with protective tape, disconnect the No. 1 wiper ring rod from the wiper motor pivot as shown in the illustration.
      GTY779914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
      Protective Tape
    2. for Type A:
      GTY787686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 135°
      Rotate in this Direction
      Bolt
      Connector
      1. Disconnect the connector.
      2. Rotate the wiper crank arm 135° in the counterclockwise direction from the automatic stop position.
      3. Remove the 3 bolts and the windshield wiper motor assembly.
        NOTE:

        Do not remove the wiper crank arm from the windshield wiper motor assembly.

    3. for Type B:
      GTY966503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 135°
      Rotate in this Direction
      Bolt
      1. Rotate the wiper crank arm 135° in the counterclockwise direction from the automatic stop position.
      2. Remove the 3 bolts and the windshield wiper motor assembly.
        NOTE:

        Do not remove the wiper crank arm from the windshield wiper motor assembly.

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