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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof System - Service Information >> SLIDING ROOF HOUSING (for Panoramic Moon Roof) >> Installation [12/2019 - ] >> Procedure

Installation [12/2019 - ]: Procedure

  1. TEMPORARILY INSTALL SLIDING ROOF HOUSING ASSEMBLY 
    1. Temporarily install the sliding roof housing assembly with the 8 nuts.
    2. Tighten the 4 nuts.
      Fig 1: Sliding Roof Housing Assembly Nuts Tightening Sequence
      GTY945238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tighten the bolts in the order shown in the illustration.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

  2. INSTALL REAR SLIDING ROOF HOUSING MOUNTING BRACKET LH 
    1. Install the rear sliding roof housing mounting bracket LH with the 2 bolts.
      GTY852974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt (A)
      Bolt (B)

      HINT: 

      The bolts must be tightened in the order of (A) then (B).

      Bolt (A) 

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

      Bolt (B) 

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

  3. INSTALL REAR SLIDING ROOF HOUSING MOUNTING BRACKET RH 

    HINT: 

    Use the same procedure as for the LH side.

  4. INSTALL FRONT SLIDING ROOF HOUSING MOUNTING BRACKET LH 
    1. Install the front sliding roof housing mounting bracket LH with the 2 bolts.
      GTY870273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt (A)
      Bolt (B)

      HINT: 

      • Use the same procedure for the front side and rear side.
      • The bolts must be tightened in the order of (A) then (B).

      Bolt (A) 

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

      Bolt (B) 

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

  5. INSTALL FRONT SLIDING ROOF HOUSING MOUNTING BRACKET RH 

    HINT: 

    Use the same procedure as for the LH side.

  6. INSTALL SLIDING ROOF HOUSING ASSEMBLY 
    1. Tighten the 4 nuts to install the sliding roof housing assembly.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

  7. INSTALL CENTER SLIDING ROOF HOUSING MOUNTING BRACKET LH 
    1. Temporarily install the center sliding roof housing mounting bracket LH with the 11 bolts.
      Fig 2: Center Sliding Roof Housing Mounting Bracket LH Tightening Sequence
      GTY865067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt (A)
      Bolt (B)
    2. Tighten the 3 bolts.

      HINT: 

      Tighten the 3 bolts in the order shown in the illustration.

      Torque: 18.5 N.m (189 kgf/cm, 14 ft.lbf) 

    3. Tighten the center sliding roof housing mounting bracket LH with the 8 bolts.

      HINT: 

      The bolts must be tightened in the order of (A) then (B).

      Bolt (A) 

      Torque: 18.5 N.m (189 kgf/cm, 14 ft.lbf) 

      Bolt (B) 

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

  8. INSTALL CENTER SLIDING ROOF HOUSING MOUNTING BRACKET RH 

    HINT: 

    Use the same procedure as for the LH side.

  9. CONNECT SLIDING ROOF DRAIN HOSE 
    1. for Clamp Type:
      GTY869797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clamp
      *b Marking
      1. Connect the sliding roof drain hose.

        HINT: 

        • Slide the hose to the base of the drain pipe.
        • Use the same procedure for the other 3 sliding roof drain hoses.
      2. Engage the claw to secure the sliding roof drain hose.

        HINT: 

        • Make sure that the clamp is on the marking or between the marking and hose end.
        • Use the same procedure for the other 3 sliding roof drain hoses.
    2. for Clip Type:
      GTY899564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clip
      *b Marking
      Outside
      Front Side
      1. Expand the clip and connect the sliding roof drain hose.

        HINT: 

        • Slide the hose to the base of the drain pipe.
        • Use the same procedure for the other 3 sliding roof drain hoses.
      2. Release the clip to secure the sliding roof drain hose.
        NOTE:

        The clip must face toward the outside of the vehicle and also be above the lower surface of the sliding roof housing assembly when installing the sliding roof drain hoses.

        HINT: 

        • Make sure that the clip is on the marking or between the marking and hose end.
        • Use the same procedure for the other 3 sliding roof drain hoses.
  10. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY LH 

    Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - 11/2023] , or refer to INSTALLATION [11/2023 - ]

  11. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

  12. INSTALL NO. 2 SLIDING ROOF GLASS SUB-ASSEMBLY 
    1. Using a T25 "TORX" socket wrench, temporarily install the No. 2 sliding roof glass sub-assembly with the 4 screws.
    2. Perform a level check.
      GTY935021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check the difference in level "a" between the roof panel and the upper surface of the No. 2 sliding roof glass sub-assembly.

        HINT: 

        "+" represents the condition that the glass is above the panel level. "-" represents the condition that the glass is below the panel level.

        Standard

        Area Measurement
        a 0 (+) 2.0 mm (0 (+) 0.0787 in.)
        0 - 2.0 mm (0 - 0.0787 in.)
    3. Perform a gap check.
      GTY872778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check the gap between the roof panel and No. 2 sliding roof glass sub-assembly.

        Standard

        Area Measurement
        a 16.2 mm (0.638 in.)
        b 16.0 mm (0.630 in.)
    4. After adjusting the No. 2 sliding roof glass sub-assembly, using a T25 "TORX" socket wrench, tighten the 4 screws to install the No. 2 sliding roof glass sub-assembly.

      Torque: 4.0 N.m (41 kgf/cm, 35 in.lbf) 

  13. INSTALL NO. 1 SLIDING ROOF GLASS SUB-ASSEMBLY 
    1. Using a T25 "TORX" socket wrench, temporarily install the No. 1 sliding roof glass sub-assembly with the 4 screws.
      GTY902453Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Perform a level check.
      GTY936484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check the difference in level "a" between the roof panel and the upper surface of the No. 1 sliding roof glass sub-assembly when the No. 1 sliding roof glass sub-assembly is fully closed.

        HINT: 

        "+" represents the condition that the glass is above the panel level. "-" represents the condition that the glass is below the panel level.

        Standard

        Area Measurement
        a 0 (+) 2.0 mm (0 (+) 0.0787 in.)
        0 - 2.0 mm (0 - 0.0787 in.)
    3. Perform a gap check.
      GTY902240Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check the gap between the roof panel and No. 1 sliding roof glass sub-assembly.

        Standard

        Area Measurement
        a 15.7 mm (0.618 in.)
        b 16.2 mm (0.638 in.)
        c 9.5 mm (0.374 in.)
    4. After adjusting the No. 1 sliding roof glass sub-assembly, using a T25 "TORX" socket wrench, tighten the 4 screws.

      Torque: 4.0 N.m (41 kgf/cm, 35 in.lbf) 

    5. Check for water leak.
      1. After adjusting the No. 1 sliding roof glass sub-assembly and No. 2 sliding roof glass sub-assembly, check for water leakage into the vehicle interior.
      2. If there are any leaks, readjust the No. 1 sliding roof glass sub-assembly and No. 2 sliding roof glass sub-assembly.
    6. Install the roof headlining assembly.

      Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - ]

    7. Open the No. 1 sliding roof glass sub-assembly to a position where the 2 screws (A) can be installed.
    8. Using a T25 "TORX" socket wrench, install the No. 1 sliding roof glass sub-assembly with the 2 screws.
      GTY902450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 4.0 N.m (41 kgf/cm, 35 in.lbf) 

    9. Fully close the No. 1 sliding roof glass sub-assembly.
  14. INSTALL SLIDING ROOF SIDE GARNISH LH 
    1. Align the edge of the sliding roof side garnish LH as shown in the illustration.
      GTY921063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard

      Area Measurement
      a 1.5 mm (0.0591 in.) or more
    2. Engage the claw to install the sliding roof side garnish LH.
  15. INSTALL SLIDING ROOF SIDE GARNISH RH 

    HINT: 

    Use the same procedure as for the LH side.

  16. INITIALIZE PANORAMIC MOON ROOF SYSTEM 

    Refer to INITIALIZATION [12/2019 - ]

  17. CHECK PANORAMIC MOON ROOF SYSTEM 

    Refer to OPERATION CHECK [12/2019 - ]

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