LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS 250 AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Back Window Glass >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Back Window Glass: Installation

  1. INSTALL NO. 1 BACK WINDOW GLASS STOPPER 
    1. Install 2 new stoppers to the vehicle body as shown in the illustration.
  2. INSTALL NO. 2 BACK WINDOW GLASS STOPPER 
    1. Coat the installation part of the stopper with Primer G.
      Fig 1: Identifying No. 1 Back Window Glass Stoppers
      G05832894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Allow the primer to dry for 3 minutes or more.
      • Do not keep any of the opened Primer G for later use.
      • Do not apply too much primer.
    2. Install 2 new stoppers onto the glass as shown in the illustration.
      Fig 2: Identifying No. 2 Back Window Glass Stoppers
      G05832897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard dimension 

      WINDSHIELD DIMENSION CHART

      Area Dimension
      A 40.0 mm (1.575 in.)
      B 17.0 mm (0.669 in.)
  3. INSTALL NO. 1 BACK WINDOW MOLDING 
    1. Using a brush or sponge, coat the edge of the glass and the contact surface with Primer G.
      NOTE:
      • Allow the primer to dry for 3 minutes or more.
      • Do not keep any of the opened Primer G for later use.
      • Do not apply too much primer.
    2. Install the back window No. 1 molding, as shown in the illustration.
  4. INSTALL BACK WINDOW GLASS DAM 
    1. Coat the installation part of the dam with Primer G.
      NOTE:
      • Allow the primer coating to dry for 3 minutes or more.
      • Do not apply too much primer.
    2. Install a new dam, applying double-sided tape all the way around the glass except where the dam is installed, as shown in the illustration.
      Fig 3: Identifying Back Window No. 1 Molding Position
      G05832898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Identifying Back Window Glass Dam Dimension
      G05832899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard dimension 

      WINDSHIELD DIMENSION CHART

      Area Dimension
      a 1.5 mm (0.059 in.)
  5. INSTALL BACK WINDOW GLASS 
    1. Clean and shape the contact surface of the vehicle body.
      1. Using a knife, cut away any rough adhesive on the contact surface of the vehicle body to ensure the appropriate surface shape.
        NOTE: Be careful not to damage the vehicle body.

        HINT:

        Leave as much adhesive on the vehicle body as possible.

        Fig 5: Identifying Adhesive On Contact Surface Of Vehicle Body
        G04981119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Clean the contact surface of the vehicle body with a piece of shop rag saturated with cleaner.

        HINT:

        Even if all the adhesive has been removed, clean the vehicle body.

    2. Position the glass.
      1. Using a suction cup, place the glass in the correct position.
      2. Check that the whole contact surface of the glass rim is perfectly even.
      3. Place reference marks between the glass and vehicle body.
        NOTE: Check that the stoppers are attached to the vehicle body correctly.

        HINT:

        When reusing the glass, check and correct the reference mark positions.

        Fig 6: Identifying Reference Marks Between Glass And Vehicle Body
        G05832901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Remove the glass.
    3. Using a brush, coat the exposed part of the vehicle body on the vehicle side with Primer M.
      NOTE:
      • Allow the primer coating to dry for 3 minutes or more.
      • Do not coat the adhesive with Primer M.
      • Do not keep any of the opened Primer M for later use.
        Fig 7: Coating Exposed Part Of Vehicle Body On Vehicle Side With Primer M
        G05832902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a brush or sponge, coat the edge of the glass and the contact surface with Primer G.
      Fig 8: Identifying Back Window Glass Adhesive Area
      G05832903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Allow the primer coating to dry for 3 minutes or more.
      • Do not keep any of the opened Primer G for later use.

      HINT:

      If an area other than that specified is coated by accident, wipe off the primer with a clean piece of cloth before it dries.

    5. Apply adhesive (Adhesive: Part No. 08850-00801 or equivalent).
      1. Cut off the tip of the cartridge nozzle, as shown in the illustration.

        HINT:

        After cutting off the tip, use all adhesive within the time described in the table below.

        Tack-free time 

        TEMPERATURE CHART

        Temperature Tack-free Time
        35°C (95°F) 15 minutes
        20°C (68°F) 1 hour 40 minutes
        5°C (41°F) 8 hours
      2. Load the sealer gun with the cartridge.
      3. Coat the glass with adhesive, as shown in the illustration.
        Fig 9: Coating Glass With Adhesive
        G05832904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard dimension 

        WINDSHIELD DIMENSION CHART

        Area Dimension
        a 12.0 mm (0.472 in.)
        b 8.0 mm (0.315 in.)
        c 9.0 mm (0.354 in.)
        d 9.0 mm (0.354 in.)
        e 14.0 mm (0.551 in.)
    6. Install the glass.
      1. Using a suction cup, position the glass so that the reference marks are aligned, and press it in gently along the rim.
        NOTE:
        • Allow the primer coating to dry for 3 minutes or more.
        • Check that the stoppers are attached to the vehicle body correctly.
        • Check the clearance between the vehicle body and glass.
      2. Lightly press the front surface of the glass to ensure a close fit.
        Fig 10: Positioning Glass
        G05832905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Using a scraper, remove any excess or protruding adhesive.
        NOTE: Do not drive the vehicle for the time described in the table below.

        Minimum time 

        TEMPERATURE CHART

        Temperature Minimum time prior to driving vehicle
        35°C (95°F) 1 hour 30 minutes
        20°C (68°F) 5 hours
        5°C (41°F) 24 hours

        HINT:

        Apply adhesive onto the glass rim.

        Fig 11: Identifying Windshield, Adhesive And Dam
        G05832906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT FOR LEAKS AND REPAIR 
    1. Conduct a leak test after the adhesive has completely hardened.
    2. Seal any leaks with a sealer gun.
  7. INSTALL AMPLIFIER ANTENNA ASSEMBLY  (See INSTALLATION )
  8. INSTALL ROOF HEADLINING ASSEMBLY (w/ Sliding Roof)  (See INSTALLATION )
  9. INSTALL ROOF HEADLINING ASSEMBLY (w/o Sliding Roof)  (See INSTALLATION )
  10. INSTALL ASSIST GRIP SUB-ASSEMBLY  (See INSTALLATION )
  11. INSTALL COAT HOOK  (See INSTALLATION )
  12. INSTALL SPOT LIGHT ASSEMBLY  (See INSTALLATION )
  13. INSTALL PACKAGE TRAY TRIM PANEL ASSEMBLY (w/ Rear Sunshade)  (See INSTALLATION )
  14. INSTALL NO. 2 PACKAGE TRAY TRIM PANEL ASSEMBLY (w/ Rear Sunshade)  (See INSTALLATION )
  15. INSTALL PACKAGE TRAY TRIM PANEL ASSEMBLY (w/o Rear Sunshade)  (See INSTALLATION )
  16. INSTALL HIGH MOUNTED STOP LIGHT SET  (See INSTALLATION )
  17. INSTALL ROOF SIDE INNER GARNISH LH  (See INSTALLATION )
  18. INSTALL ROOF SIDE INNER GARNISH RH 
  19. INSTALL REAR SEAT SIDE GARNISH LH  (See INSTALLATION )
  20. INSTALL REAR SEAT SIDE GARNISH RH 
  21. INSTALL REAR DOOR SCUFF PLATE LH  (See INSTALLATION )
  22. INSTALL REAR DOOR SCUFF PLATE RH 
  23. INSTALL REAR SEATBACK ASSEMBLY  (See INSTALLATION )
  24. INSTALL REAR SEAT CENTER HEADREST ASSEMBLY 
  25. INSTALL REAR SEAT HEADREST ASSEMBLY 
  26. INSTALL REAR SEAT CUSHION ASSEMBLY  (See INSTALLATION )