DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System - Service Information >> Front Wiper Motor >> Installation [12/2019 - ] >> Procedure

Installation [12/2019 - ]: Procedure

  1. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY 
    1. Using a T30 "TORX" socket wrench, install the windshield wiper motor assembly with the 2 bolts.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  2. INSTALL FRONT WIPER CRANK SUB-ASSEMBLY 
    1. Connect the windshield wiper motor assembly connector.
    2. Turn the ignition switch to ON.
    3. Operate the wiper and stop the windshield wiper motor assembly at the automatic stop position.
    4. Turn the ignition switch off.
    5. Disconnect the windshield wiper motor assembly connector.
    6. Temporarily install the front wiper crank sub-assembly to the windshield wiper motor assembly with the nut.
    7. Temporarily install the No. 1 wiper link rod to the pivot of the front wiper crank sub-assembly.
    8. Align the nut and pivot of the front wiper crank sub-assembly with the No. 1 wiper link rod as shown in the illustration.
      GTY916734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pivot of Front Wiper Crank Sub-assembly *b No. 1 Wiper Link Rod
    9. Tighten the nut to install the front wiper crank sub-assembly.

      Torque: 17.2 N.m (175 kgf/cm, 13 ft.lbf) 

    10. Apply MP grease to the pivot of the front wiper crank sub-assembly.
      GTY922503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pivot of Front Wiper Crank Sub-assembly
    11. Connect the No. 1 wiper link rod to the pivot of the front wiper crank sub-assembly.
      GTY857310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a No. 1 Wiper Link Rod
      *b Pivot of Front Wiper Crank Sub-assembly
  3. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 
    1. Engage the motor grommet as shown in the illustration.
      Fig 1: Windshield Wiper Motor And Link Assembly Bolts Tightening Sequence
      GTY891370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Motor Grommet
      NOTE:

      Be careful not to damage the windshield glass when installing the windshield wiper motor and link assembly.

    2. Install the windshield wiper motor and link assembly with the 2 bolts.

      Torque: 7.0 N.m (71 kgf/cm, 62 in.lbf) 

      HINT: 

      Tighten the bolts in the order shown in the illustration.

    3. Connect the connector.
  4. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 
    1. Engage the guide.
      GTY850599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engage the cowl top ventilator louver sub-assembly to the windshield glass as shown in the illustration.
      GTY879060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction - -
      NOTE:

      Make sure to engage the guide securely, otherwise the cowl top ventilator louver sub-assembly may pop up when engaging it to the windshield glass.

    3. Engage the 3 guides and 6 claws to temporarily install the cowl top ventilator louver sub-assembly as shown in the illustration.
      GTY876023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction - -
      NOTE:

      Make sure that the cowl top ventilator louver sub-assembly does not contact the vehicle body, otherwise it may be damaged.

    4. Install the 2 clips.
  5. INSTALL FRONT FENDER TO COWL SIDE SEAL LH 
    1. Engage the guide and 5 claws to install the fender to cowl side seal LH.
  6. INSTALL FRONT FENDER TO COWL SIDE SEAL RH 

    HINT: 

    Use the same procedure as for the LH side.

  7. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH 
    1. When reusing the front wiper arm and blade assembly RH:
      1. Clean the wiper arm serrations to remove any burrs, dirt, etc.
        NOTE:

        Do not grind down the wiper arm serrations.

        GTY864556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Serration
    2. When reusing the windshield wiper motor and link assembly:
      1. Clean the wiper pivot serrations with a wire brush.
        GTY879577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Serration
    3. Turn the ignition switch to ON.
    4. Operate the windshield wiper motor assembly and stop the windshield wiper motor and link assembly at the automatic stop position.
    5. Turn the ignition switch off.
    6. Install the front wiper arm and blade assembly RH with the nut to the position shown in the illustration.
      GTY866254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Alignment Mark

      Torque: 24 N.m (245 kgf/cm, 18 ft.lbf) 

      HINT: 

      Hold the wiper arm by hand while tightening the nut.

      Reference Measurement

      Area Measurement
      A 10 mm (0.394 in.)
  8. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH 
    1. When reusing the front wiper arm and blade assembly LH:
      1. Clean the wiper arm serrations to remove any burrs, dirt, etc.
        NOTE:

        Do not grind down the wiper arm serrations.

        GTY875634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Serration
    2. When reusing the windshield wiper motor and link assembly:
      1. Clean the wiper pivot serrations with a wire brush.
        GTY879577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Serration
    3. Install the front wiper arm and blade assembly LH with the nut to the position shown in the illustration.
      GTY860847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Alignment Mark

      Torque: 24 N.m (245 kgf/cm, 18 ft.lbf) 

      HINT: 

      Hold the wiper arm by hand while tightening the nut.

      Reference Measurement

      Area Measurement
      A 10 mm (0.394 in.)
    4. Turn the ignition switch to ON.
    5. Operate the windshield wipers while spraying washer fluid onto the windshield glass. Make sure that the windshield wipers function properly and the wipers do not contact the vehicle body.
    6. Turn the ignition switch off.
    7. Lift each wiper arm twice after the wipers stop and check the wiper set position.
  9. INSTALL FRONT WIPER ARM HEAD CAP 
    1. Engage the 3 claws to install the front wiper arm head cap.
      GTY916552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Use the same procedure for the RH side and LH side.

Diesel-Data.com