2007 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

Back Window Glass: Installation

  1. INSTALL NO. 2 WINDSHIELD GLASS STOPPER 
    1. Apply Primer G to the glass where the spacers will be installed.
      NOTE:
      • Allow the primer to dry for 3 minutes or more.
      • Throw away any leftover primer.
      • Do not apply too much primer.
    2. Install 2 new stoppers onto the glass as shown in the illustration.
      Fig 1: Identifying No. 2 Windshield Glass Stopper
      G05315044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard measurement 

      STANDARD MEASUREMENT

      Area Specified Condition
      a 13.0 mm (0.512 in.)
      b 40.0 mm (1.575 in.)
  2. INSTALL NO. 1 WINDSHIELD GLASS STOPPER 
    1. Install 2 new stoppers to the vehicle body as shown in the illustration.
      Fig 2: Installing No. 1 Windshield Glass Stopper
      G05315045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL BACK WINDOW GLASS DAM 
    1. Apply Primer G to the glass where the dams will be installed.
      NOTE:
      • Allow the primer to dry for 3 minutes or more.
      • Throw away any leftover primer.
      • Do not apply too much primer.
    2. Remove the peeling paper from the adhesive part of the dam. Install the dam (adhesive side) to the glass (Primer G area), but exclude the area above the notches on the upper part of the glass.
      Fig 3: Identifying Back Window Glass Dam
      G05315046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard measurement 

      STANDARD MEASUREMENT

      Area Specified Condition
      a 9.5 mm (0.374 in.)
      b 7.5 mm (0.295 in.)
  4. INSTALL BACK WINDOW GLASS 
    1. Position the glass.
      1. Using suction cups, place the glass in the correct position.
      2. Check that the entire contact surface of the glass rim is perfectly even.
      3. Place matchmarks on the glass and vehicle body on the locations indicated in the illustration.

        HINT:

        • Placing matchmarks is necessary only when installing new glass. If it is the reused glass, matchmarks should already be present.
        • When reusing the glass, check and correct the matchmark positions.
        NOTE: Check that the stoppers are attached to the vehicle body correctly.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.