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Home >> Lexus >> 2024 >> LC 500 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Exterior/Interior Trim >> Exterior Panels / Trim - Service Information (Convertible) (1 Of 2) >> Front Bumper >> Reassembly [07/2020 - 11/2021] >> Procedure

Reassembly [07/2020 - 11/2021]: Procedure

  1. INSTALL FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 
    1. Attach the guide.
      GTY953526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the front bumper reinforcement sub-assembly with the 8 bolts.

      Torque: 38 N.m (387 kgf/cm, 28 ft.lbf) 

  2. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY LH 
    1. Install the lower arm bracket brace sub-assembly LH with the 2 bolts.

      Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

      GTY822682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
  3. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY RH 
    1. Install the lower arm bracket brace sub-assembly RH with the 2 bolts.

      Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

      GTY1085824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Type A
      *B for Type B
      Install in this Direction
  4. INSTALL HEADLIGHT ASSEMBLY LH 

    Refer to INSTALLATION [07/2020 - ]

  5. INSTALL HEADLIGHT ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the LH side.

  6. INSTALL FRONT BUMPER ENERGY ABSORBER 

    Refer to PROCEDURE - Step 1

  7. INSTALL PEDESTRIAN DETECTION CHAMBER ASSEMBLY 

    Refer to PROCEDURE - Step 2

  8. INSTALL NO. 2 FRONT BUMPER MOUNTING BRACKET 
    1. Check that the engine switch off.
    2. Check that the cable is disconnected from the negative (-) battery terminal.
      WARNING:
      • Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
        GTY684647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If the airbag deploys for any reason, it may cause a serious accident.
    3. Attach the guide and claw.
      GTY800861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    4. Install the No. 2 front bumper mounting bracket together with the front bumper energy absorber the with the 2 bolts.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

      GTY827288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the 2 connectors of the pedestrian detection chamber assembly.
      NOTE:

      When connecting any pedestrian detection chamber assembly connector, take care not to damage the wire harness.

      GTY824886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Refer to How to connect or disconnect the pedestrian detection chamber assembly connector.

      Refer to HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR [07/2020 - 05/2023]

  9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to INSTALLATION [07/2020 - 05/2023]

  10. INSTALL LOWER RADIATOR GRILLE 
  11. INSTALL UPPER RADIATOR GRILLE 
    GTY826951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Install in this Direction
    1. Attach the claw.
    2. Install the upper radiator grille with the 2 screws.
  12. INSTALL NO. 2 RADIATOR GRILLE MOULDING 
    1. Attach the claw.
      GTY780444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the No. 2 radiator grille moulding with the screw.
      GTY828377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL RADIATOR GRILLE MOULDING 
    1. Attach the claw.
      GTY786190Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the radiator grille moulding with the 4 screws.
      GTY780118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REPAIR INSTRUCTION 
    1. Clean the front bumper cover surface.
      1. using a heat light, heat the front bumper cover surface.
        NOTE:
        • 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.
      2. wipe off any tape adhesive with cleaner.
    2. Installation temperature.
      1. When the ambient temperature is below 15°C (59°F), perform the installation procedure after warming the front bumper cover surface (installation surface of the front bumper cover) and tape to between 20 and 30°C (68 and 86°F) using a heat light.

        When the ambient temperature is higher than 35°C (95°F), cool the front bumper cover surface (installation surface of the front bumper cover) and tape to between 20 and 30°C (68 and 86°F) prior to installation.

        HINT: 

        • The most appropriate temperature for installing the tape is 25°C (77°F).
        • When the temperature is low, the tape turns stiff and falls off easily. When the temperature is high, the tape loses elasticity.
    3. Before installation.
      1. Make sure any dirt on and around the front bumper cover surface where the tape will be installed (installation surface of the front bumper cover) is removed, and that the surface is smooth. If the surface is rough or dirt remains when pressing the tape onto the surface, air will be trapped under the tape and result in a poor appearance.

        HINT: 

        Spray water on the shop floor to settle any dust.

    4. Key points for handling the tape.
      1. The tape bends and rolls up easily. Store the tape between flat pieces of cardboard or other similar objects and keep it dry and level.
        NOTE:

        Do not bend the tape or leave it in a place with a high temperature.

    5. Key points for the installation of the tape (how to use a squeegee and the installation procedure for a flat surface).
      NOTE:
      • Position the tape with a high level of accuracy to achieve a neat finish and to avoid peeling.
      • The tape cannot be reused because it deforms and will not fit after removal.
      1. To avoid air bubbles, slightly raise the part of the tape that is going to be applied so that its adhesive surface does not touch the front bumper cover while applying the tape. Tilt the squeegee 40 to 50° (for pressing forward) or 30 to 45° (for pulling) from the front bumper cover surface and press with a force of 29 N (3 kgf, 6.5 lbf.) while moving the squeegee at a constant slow speed of 30 to 70 mm (1.18 to 2.76 in.) per second.
        GTY948888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 No. 2 Moulding Tape - -
        *a Pressing *b Pulling
        *c Sectional View *d Non-padded Side
        *e Padded Side *f Squeegee
        *g Release Paper *h 30 to 70 mm/sec. (1.18 to 2.76 in/sec.)
        *i 10 to 20 mm (0.394 to 0.787 in.) *j 40 to 50° (for pressing forward)
        *k 30 to 45° (for pulling) - -
        NOTE:

        Be sure to observe the specified pressing speed, force and angle of the squeegee to avoid wrinkles and air bubbles.

        HINT: 

        • Either angle of the squeegee (for pressing forward or for pulling) is acceptable.
        • Be sure to apply the tape while removing the release paper 10 to 20 mm (0.394 to 0.787 in.) from the edge of the squeegee.
    6. Key points for the installation of the tape (how to use a squeegee and the installation procedure for a hemming surface).
      GTY948909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a First
      *b Second
      *c Third
      *d Squeegee
      1. If it is difficult to press the tape, press it in several steps as shown in the illustration. Use your fingers or the padded surface of a squeegee to slowly apply the tape to the hem of the vehicle, especially for a small hem.

        HINT: 

        When applying tape to the backside of a hem, remove the release paper and use your fingers or the padded surface of a squeegee.

    7. Key points for the installation of the tape (how to use a squeegee and the installation procedure for corners).
      1. Remove the release paper and apply the tape carefully with your fingers.
      2. Before applying the tape to each corner, heat the tape using a heat light and gradually apply it to avoid wrinkles in the tape and achieve a neat finish.
    8. Check after installation.
      1. After completing the application, check if the tape is applied neatly. If the tape is not applied neatly, apply new tape.
        NOTE:

        Do not reuse the tape.

  15. INSTALL NO. 2 MOULDING TAPE 

    HINT: 

    • When installing the No. 2 moulding tape, heat the front bumper cover using a heat light.
    • Use the same procedure for the RH side and LH side.

    Standard Value

    Part Temperature
    Front Bumper Cover 20 to 30°C (68 to 86°F)
    No. 2 Moulding Tape
    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
    1. When reusing the front bumper cover:
      1. Using a heat light, heat the front bumper cover surface.
      2. Remove any remaining double-sided tape from the front bumper cover.
      3. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the No. 2 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.
    2. Remove the release paper of a new No. 2 moulding tape trying not to touch the adhesional surface.
      NOTE:

      After removing the peeling paper, do not touch the surface of the tape with your fingers or cotton work gloves.

    3. Install the No. 2 moulding tape in the position shown in the illustration.
      GTY951153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      NOTE:

      The application strength of the No. 2 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 front bumper cover.

  16. INSTALL NO. 1 MOULDING TAPE 

    HINT: 

    • When installing the No. 1 moulding tape, heat the front bumper cover using a heat light.
    • Use the same procedure for the RH side and LH side.

    Standard Value

    Part Temperature
    Front Bumper Cover 20 to 30°C (68 to 86°F)
    No. 1 Moulding Tape
    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
    1. When reusing the front bumper cover:
      1. Using a heat light, heat the front bumper cover surface.
      2. Remove any remaining double-sided tape from the front bumper cover.
      3. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the No. 1 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.
    2. Apply primer to the front bumper cover on the installation area of the No. 1 moulding tape using a brush or felt.
      GTY952932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      Primer
      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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the No. 1 moulding tape has been attached.
    3. 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))

    4. Remove the release paper of a new No. 1 moulding tape trying not to touch the adhesional surface.
      NOTE:

      After removing the peeling paper, do not touch the surface of the tape with your fingers or cotton work gloves.

    5. Install the 2 No. 1 moulding tape in the position shown in the illustration.
      GTY953583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      NOTE:

      The application strength of the No. 1 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 front bumper cover.

  17. INSTALL NO. 1 FRONT BUMPER SIDE SUPPORT LH 

    HINT: 

    When installing the No. 1 front bumper side support LH, heat the No. 1 moulding tape using a heat light.

    Standard Value

    Part Temperature
    No. 1 Front Bumper Side Support LH 20 to 30°C (68 to 86°F)
    No. 1 Moulding Tape
    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
    1. When reusing the No. 1 front bumper side support LH:
      1. Using a heat light, heat the No. 1 front bumper side support LH surface.
      2. Remove any remaining double-sided tape from the No. 1 front bumper side support LH.
      3. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the No. 1 front bumper side support LH 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.
    2. Using a brush or felt, apply primer in the area shown in the illustration.
      GTY953694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Primer
      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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the No. 1 front bumper side support LH has been attached.
    3. 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))

    4. Remove the release paper of a new No. 1 moulding tape trying not to touch the adhesional surface.
      NOTE:

      After removing the peeling paper, do not touch the surface of the tape with your fingers or cotton work gloves.

    5. Install the No. 1 front bumper side support LH in the position shown in the illustration.
      GTY953866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      *b Rib
      *c No. 1 moulding tape
      NOTE:

      The application strength of the No. 1 moulding tape will weaken if reapplied. If reapplication is necessary, be sure to replace it with a new one.

      HINT: 

      • Install the No. 1 front bumper side support LH while it is pressed against the rib.
      • Apply pressure so that it does not lift up from the front bumper cover.
  18. INSTALL NO. 1 FRONT BUMPER SIDE SUPPORT RH 

    HINT: 

    Use the same procedure described for the LH side.

  19. INSTALL RADIATOR GRILLE SUB-ASSEMBLY 
    1. Insert the guide and attach the claw.
      GTY953473Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the radiator grille sub-assembly with the 8 screws.
      GTY780115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. INSTALL FRONT MARKER LIGHT ASSEMBLY LH 

    Refer to PROCEDURE - Step 1

  21. INSTALL FRONT MARKER LIGHT ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the LH side.

  22. INSTALL FRONT FENDER LINER RETAINER 
    1. Attach the claw to install the 3 front fender liner retainers.
      GTY953758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Use the same procedure for the RH side and LH side.

    2. Install the 2 screws.

      HINT: 

      Use the same procedure for the RH side and LH side.

  23. INSTALL FRONT BUMPER NO. 1 ARM 
    1. Pass the front bumper No. 1 arm through the hole of the front bumper hole cover and attach the guide and install the front bumper No. 1 arm as shown in the illustration.
      GTY951143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction(1)
      Install in this Direction(2)
  24. INSTALL FRONT BUMPER HOLE COVER RH 
    1. Attach the fall prevention hook to the guide.
      GTY950722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Attach the claw and install the front bumper hole cover RH.
      GTY951208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
  25. INSTALL FRONT BUMPER GARNISH LH 
    1. Apply protective tape around the front bumper garnish LH.
      GTY953322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Bumper Side Retainer
      Install in this Direction
      Protective Tape
    2. Attach the clip and claw to install the front bumper garnish LH.
    3. Install the front bumper side retainer and 2 screws.
    4. Remove the protective tape.
  26. INSTALL FRONT BUMPER GARNISH 

    HINT: 

    Use the same procedure described for the front bumper garnish LH.

  27. INSTALL LOWER SIDE RADIATOR GRILLE LH 
    GTY812095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Install in this Direction
    1. Attach the claw to install the lower side radiator grille LH as shown in the illustration.
  28. INSTALL LOWER SIDE RADIATOR GRILLE RH 

    HINT: 

    Use the same procedure described for the LH side.

  29. INSTALL FRONT BUMPER EXTENSION MOUNTING BRACKET 
    1. Install the front bumper extension mounting bracket with the 2 screws.
      GTY832704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. INSTALL RADIATOR GRILLE (OR FRONT PANEL) EMBLEM 
    GTY791697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Install in this Direction
    1. Attach the guide and claw.
    2. Install the radiator grille (or front panel) emblem with the 2 screws.
      GTY780073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. INSTALL FRONT BUMPER MOUNTING BRACKET 
    1. Install the front bumper mounting bracket with the 2 clips.
      GTY951679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. INSTALL ULTRASONIC SENSOR CLIP (w/ Intuitive Parking Assist System) 

    HINT: 

    • When installing the ultrasonic sensor clip, heat the front bumper cover using a heat light.
    • Use the same procedure for all ultrasonic sensor clips.

    Standard Value

    Part Temperature
    Front Bumper Cover 20 to 30°C (68 to 86°F)
    Ultrasonic Sensor Clip
    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
    1. When reusing the front bumper cover:
      1. Using a heat light, heat the front bumper cover surface.
      2. Remove any remaining double-sided tape from the front bumper cover.
      3. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the 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.
    2. Apply primer to the front bumper cover on the installation area of the ultrasonic sensor clip using a brush or felt.
      GTY952181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line - -
      Primer - -
      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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the ultrasonic sensor clip has been attached.
    3. 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))

    4. Remove the release paper of a new ultrasonic sensor clip trying not to touch the adhesional surface.
      NOTE:

      After removing the peeling paper, do not touch the surface of the tape with your fingers or cotton work gloves.

    5. Install the ultrasonic sensor clip in the position shown in the illustration.
      GTY951931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line - -
      NOTE:

      The application strength of the 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 front bumper cover.

  33. INSTALL NO. 4 ENGINE ROOM WIRE 

    HINT: 

    Use the same procedure described for the other side.

    1. w/ Intuitive Parking Assist System:
      1. Attach the clamp and install the No. 4 engine room wire.
        GTY952821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Connect the connector.
    2. w/o Intuitive Parking Assist System:
      1. Connect the connector and install the No. 4 engine room wire.
        GTY832702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. INSTALL FRONT CENTER ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) 

    Refer to PROCEDURE - Step 2

  35. INSTALL FRONT CORNER ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) 

    Refer to PROCEDURE - Step 1

  36. INSTALL FRONT CORNER ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) 

    Refer to PROCEDURE - Step 3

  37. INSTALL FRONT TURN SIGNAL LIGHT ASSEMBLY LH 

    Refer to PROCEDURE - Step 1

  38. INSTALL FRONT TURN SIGNAL LIGHT ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the LH side.

  39. INSTALL MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to PROCEDURE - Step 1

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