Lexus IS250 · Service Manual BODY

INSTALLATION

Removal / installation


1. INSTALL SLIDING ROOF WEATHERSTRIP

  1. Install the sliding roof weatherstrip as follows:

    B105392E01

    1. Position the joint of the weatherstrip at the rear center.

    2. Align the marks on the weatherstrip with the middle marks at the corners of the plastic on the edge of the sliding roof panel and install the weatherstrip. Make sure that the marks on the weatherstrip are positioned within the area indicated by the marks at the corners of the plastic on the edge of the sliding roof panel.

    3. Install the lip of the weatherstrip firmly.


2. INSTALL SLIDING ROOF HOUSING SUB-ASSEMBLY

  1. Install the sliding roof housing sub-assembly with the 6 bolts and 8 nuts.

    B122206

    Torque:
    Nut:
    5.5 N*m{ 56 kgf*cm , 49 in.*lbf }
    Bolt:
    8.0 N*m{ 82 kgf*cm , 71 in.*lbf }

  1. B122242E01
    Connect the 4 sliding roof drain hoses.

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


3. INSTALL SLIDING ROOF GLASS SUB-ASSEMBLY

  1. B125374
    Using a T25 "torx" driver, temporarily install the sliding roof glass sub-assembly with the 4 screws.

  1. B122199E01
    Perform a level check.

    1. Check the difference in level for "a" between the roof panel and the upper surface of the weatherstrip when the sliding roof glass is fully closed.

      Standard:
      Area
      Measurement
      A - A
      0 + 1.0 mm (0 + 0.039 in.)
      0 - 2.0 mm (0 - 0.079 in.)
      B - B
      0 + 2.0 mm (0 + 0.079 in.)
      0 - 1.0 mm (0 - 0.039 in.)
      C - C
      0 + 1.5 mm (0 + 0.059 in.)
      0 - 1.5 mm (0 - 0.059 in.)
      D - D
      0 + 1.5 mm (0 + 0.059 in.)
      0 - 1.0 mm (0 - 0.039 in.)

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

  1. B122200E01
    Perform a gap check.

    1. Check the gap between the roof panel and roof glass.

      NOTICE:
      The gap must be even all around.

  1. B125374
    After adjusting the sliding roof glass, using a T25 "torx" driver, install the sliding roof glass sub-assembly with the 4 screws.

    Torque:
    5.5 N*m{ 56 kgf*cm , 49 in.*lbf }


4. CHECK FOR WATER LEAKS
  1. After adjusting the sliding roof glass sub-assembly, check for water leaks.

  1. If there are any leaks, readjust the sliding roof glass sub-assembly.


5. INSTALL SLIDING ROOF SIDE GARNISH LH

  1. B125373
    Engage the 5 claws and install the sliding roof side garnish LH.


6. INSTALL SLIDING ROOF SIDE GARNISH RH

7. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY LH

  1. Install the curtain shield airbag assembly with the 2 clips and 9 new bolts.

    Torque:
    11 N*m{ 110 kgf*cm , 8 ft.*lbf }


    C122437E01

    NOTICE:
    Do not twist the curtain shield airbag assembly when installing it.

  1. Connect the connector.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.


8. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY RH

9. INSTALL ROOF HEADLINING ASSEMBLY
(Click here)

10. RESET SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
(Click here)

11. CHECK SLIDING ROOF SYSTEM
(Click here)
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