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Home >> Lexus >> 2024 >> GX 550 Overtrail >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Exterior Panels / Trim - Service Information (1 Of 2) >> Rear Bumper >> Reassembly [12/2023 - ] >> Procedure

Reassembly [12/2023 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    When installing parts with double-sided tape, heat the portion with adhesive and the application surface of the parts and with a heat light.

    Standard Value

    Part Temperature
    Metal parts 40 to 60°C (104 to 140°F)
    Resin parts 20 to 30°C (68 to 86°F)
    WARNING:
    • Do not touch the heat light and heated parts.
    • Touching the heat light may result in burns.
    • Touching heated parts for a long time may result in burns.
    GTY749838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    NOTE:

    Do not heat the parts excessively.

  2. INSTALL NO. 2 LUGGAGE COMPARTMENT SIDE COVER PROTECTOR 
  3. INSTALL NO. 1 LUGGAGE COMPARTMENT SIDE COVER PROTECTOR 
  4. INSTALL REAR BUMPER SIDE SUPPORT LH 
  5. INSTALL REAR BUMPER SIDE SUPPORT RH 
  6. INSTALL REAR BUMPER BAR REINFORCEMENT LH 

    Torque: 32 N*m (326 kgf*cm, 24 ft.*lbf) 

  7. INSTALL REAR BUMPER BAR REINFORCEMENT RH 
    1. Use the same procedure described for the LH side.
  8. INSTALL REAR BUMPER SIDE MOUNTING BRACKET ASSEMBLY LH 

    Torque: 32 N*m (326 kgf*cm, 24 ft.*lbf) 

  9. INSTALL REAR BUMPER SIDE MOUNTING BRACKET ASSEMBLY RH 
    1. Use the same procedure described for the LH side.
  10. INSTALL REAR BUMPER ENERGY ABSORBER 
  11. INSTALL REAR BUMPER PLATE RH 
  12. INSTALL BACK STEP PLATE LH 
  13. INSTALL BACK STEP PLATE RH 
  14. INSTALL REAR ULTRASONIC SENSOR CLIP 
    1. GTY1217772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line - -
      1. Clean the surface of the rear bumper cover.

        1. Using a heat light, heat the rear bumper cover surface.

        2. Remove any remaining double-sided tape from the rear bumper cover.

        3. Wipe off any tape adhesive residue with cleaner.

        NOTE:
        • Installing the rear ultrasonic sensor clip with some double-sided tape remaining may cause poor adhesion. Perform this procedure until the tape is sufficiently removed.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
        • Clean the surface even when using a new part.
      2. Apply primer.

        1. Apply primer to the rear bumper cover on the installation area of the rear ultrasonic sensor clip using a brush or felt.

        NOTE:
        • Replace the brush or felt if it is dirty or has become hardened.
        • Keep any painted surface free from primer.
        • If the primer contacts a painted surface, it may leave light primer marks.
        • Do not touch surfaces to which primer has been applied until the rear ultrasonic sensor clip has been attached.

        2. Let the primer dry sufficiently.

        NOTE:

        Do not touch applied surfaces until the primer is dry.

        Recommended drying time

        10 minutes or more (at 23°C (73°F))

      3. Using a heat light, heat the rear bumper cover and a new rear ultrasonic sensor clip.
      4. Align the 2 rear ultrasonic sensor clips with the mark-off line on the rear bumper cover and install it as shown in the illustration.
        NOTE:

        The application strength of the rear ultrasonic sensor clip will weaken if reapplied. If reapplication is necessary, be sure to replace it with a new one.

        HINT: 

        Apply pressure so that it does not lift up from the rear bumper cover.

  15. INSTALL REAR BUMPER CENTER PAD 

    HINT: 

    The illustration is an example, so the details may differ.

    1. GTY1210869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line - -
      1. Clean the surface of the rear bumper cover.

        1. Using a heat light, heat the rear bumper cover surface.

        2. Remove any remaining double-sided tape from the rear bumper cover.

        3. Wipe off any tape adhesive residue with cleaner.

        NOTE:
        • Installing the rear bumper center pad with some double-sided tape remaining may cause poor adhesion. Perform this procedure until the tape is sufficiently removed.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
        • Clean the surface even when using a new part.
      2. Apply primer.

        1. Apply primer to the rear bumper cover on the installation area of the rear bumper center pad using a brush or felt.

        NOTE:
        • Replace the brush or felt if it is dirty or has become hardened.
        • Keep any painted surface free from primer.
        • If the primer contacts a painted surface, it may leave light primer marks.
        • Do not touch surfaces to which primer has been applied until the rear bumper center pad has been attached.

        2. Let the primer dry sufficiently.

        NOTE:

        Do not touch applied surfaces until the primer is dry.

        Recommended drying time

        10 minutes or more (at 23°C (73°F))

      3. Using a heat light, heat the rear bumper cover and a new rear bumper center pad.
      4. Align the rear bumper center pad with the mark-off line on the rear bumper cover and install it as shown in the illustration.
        NOTE:

        The application strength of the rear bumper center pad will weaken if reapplied. If reapplication is necessary, be sure to replace it with a new one.

        HINT: 

        Apply pressure so that it does not lift up from the rear bumper cover.

  16. INSTALL MOULDING TAPE 
    1. GTY1211103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line - -
      1. Clean the surface of the rear bumper side extension LH.

        1. Using a heat light, heat the rear bumper side extension LH surface.

        2. Remove any remaining double-sided tape from the rear bumper side extension LH.

        3. Wipe off any tape adhesive residue with cleaner.

        NOTE:
        • Installing the moulding tape with some double-sided tape remaining may cause poor adhesion. Perform this procedure until the tape is sufficiently removed.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
        • Clean the surface even when using a new part.
      2. Apply primer.

        1. Apply primer to the rear bumper side extension LH on the installation area of the moulding tape using a brush or felt.

        NOTE:
        • Replace the brush or felt if it is dirty or has become hardened.
        • Keep any painted surface free from primer.
        • If the primer contacts a painted surface, it may leave light primer marks.
        • Do not touch surfaces to which primer has been applied until the moulding tape has been attached.

        2. Let the primer dry sufficiently.

        NOTE:

        Do not touch applied surfaces until the primer is dry.

        Recommended drying time

        10 minutes or more (at 23°C (73°F))

      3. Using a heat light, heat the rear bumper side extension LH and a new moulding tape.
      4. Align the moulding tape with the mark-off line on the rear bumper side extension LH and install it as shown in the illustration.
        NOTE:

        The application strength of the moulding tape will weaken if reapplied. If reapplication is necessary, be sure to replace it with a new one.

        HINT: 

        Apply pressure so that it does not lift up from the rear bumper side extension LH.

    2. Use the same procedure for the other side.
  17. INSTALL REAR BUMPER SIDE MOUNTING BRACKET LH 
  18. INSTALL REAR BUMPER SIDE MOUNTING BRACKET RH 
  19. INSTALL REAR BUMPER EXTENSION LH (for Off Road Package) 
  20. INSTALL REAR BUMPER EXTENSION RH (for Off Road Package) 
  21. INSTALL REAR BUMPER NO. 2 CORNER EXTENSION LH (for Off Road Package) 
  22. INSTALL REAR BUMPER NO. 2 CORNER EXTENSION RH (for Off Road Package) 
  23. INSTALL REAR BUMPER EXTENSION SUB-ASSEMBLY LH (for Off Road Package) 
  24. INSTALL REAR BUMPER EXTENSION SUB-ASSEMBLY RH (for Off Road Package) 
  25. INSTALL REAR BUMPER SIDE EXTENSION LH (for Standard) 
  26. INSTALL REAR BUMPER SIDE EXTENSION RH (for Standard) 
  27. INSTALL REAR NO. 2 STEP COVER 
  28. INSTALL REAR BUMPER CENTER SUB-ASSEMBLY 
  29. INSTALL REAR BUMPER WIRE 
  30. INSTALL NO. 2 LUGGAGE ROOM WIRE 
  31. INSTALL REFLEX REFLECTOR ASSEMBLY LH 
  32. INSTALL REFLEX REFLECTOR ASSEMBLY RH 
  33. INSTALL REAR CORNER ULTRASONIC SENSOR RETAINER 
    Refer to PROCEDURE - Step 2
  34. INSTALL REAR CENTER ULTRASONIC SENSOR RETAINER 
    Refer to PROCEDURE - Step 3
  35. INSTALL REAR CORNER ULTRASONIC SENSOR 
  36. INSTALL REAR CENTER ULTRASONIC SENSOR 
  37. INSTALL NO. 2 BLE DOOR DIGITAL KEY RECEIVER ASSEMBLY (w/ Digital Key System) 
  38. INSTALL KICK DOOR CONTROL SENSOR ASSEMBLY (w/ Hands Free Power Back Door) 
    Refer to PROCEDURE - Step 1