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Home >> Lexus >> 2018 >> LS 500h AWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Exterior Panels / Trim - Service Information (2 Of 4) >> FRONT BUMPER (except Sport Package) >> Reassembly [09/2018 - 09/2019] >> Procedure

Reassembly [09/2018 - 09/2019]: Procedure

  1. INSTALL FRONT BUMPER NO. 2 REINFORCEMENT SUB-ASSEMBLY 
    1. Install the front bumper No. 2 reinforcement sub-assembly with the 6 nuts.
      GTY806256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 25 N.m (255 kgf/cm, 18 ft.lbf) 

  2. INSTALL FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 
    1. Align the positions of the guide on the vehicle and front bumper reinforcement sub-assembly, and set it as shown in the illustration.
      GTY788276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the front bumper reinforcement sub-assembly with the 8 bolts.
      GTY834089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  3. INSTALL HEADLIGHT ASSEMBLY LH 

    Refer to INSTALLATION [10/2017 - 10/2020]

  4. INSTALL HEADLIGHT ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the LH side.

  5. INSTALL FRONT BUMPER SIDE RETAINER LH 
    1. Attach the clip to install the front bumper side retainer LH as shown in the illustration.
      GTY810990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the bolt.
      GTY806258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL FRONT BUMPER SIDE RETAINER RH 

    HINT: 

    Use the same procedure described for the LH side.

  7. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY LH 
    1. Install the lower arm bracket brace sub-assembly LH with the 2 bolts.
      GTY806255Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  8. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the LH side.

  9. INSTALL FRONT BUMPER NO. 2 ENERGY ABSORBER 
    1. Install the front bumper No. 2 energy absorber with the bolt.
      GTY806246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  10. INSTALL FRONT BUMPER ENERGY ABSORBER SUB-ASSEMBLY 
    1. Check that the power switch off.
    2. Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

      GTY581108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the guide and claw to install the front bumper energy absorber sub-assembly as shown in the illustration.
      GTY796636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    4. Install the 2 bolts.
      GTY806248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    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 pedestrian detection chamber assembly wire harness.

      GTY806247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Before connecting the connector, check that the position of the housing lock is correct as shown in the illustration.
        GTY824216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Correct *b Incorrect
        *c CPA *d Housing
      2. While holding the CPA be sure to engage the connectors until they are locked and check that the CPA is in its original position (when locking, make sure that a click sound can be heard).
        NOTE:

        Do not push down the upper part of the CPA shown in the illustration when connecting the airbag connector.

        GTY810567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a CPA Upper Part *b Housing Lock
        *c CPA *d Connection is Completed
  11. INSTALL NO. 1 MOULDING TAPE 

    HINT: 

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

    Standard

    Item Temperature
    Front Bumper Cover 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the No. 1 moulding tape installation surface with a non-residue solvent.
    2. Remove the peeling paper on a new No. 1 moulding tape while making sure not to touch the adhesional surface.
    3. Install the No. 1 moulding tape in the position shown in the illustration.
      GTY835463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line

      HINT: 

      Press the No. 1 moulding tape firmly to install it.

    4. Remove the application sheet.
  12. INSTALL LOWER RADIATOR GRILLE MOULDING 
    1. Attach the claw to install the lower radiator grille moulding as shown in the illustration.
      GTY792398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the screw.
      GTY806128Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL UPPER RADIATOR SEAL 

    HINT: 

    When installing the upper radiator seal, heat the radiator grille moulding.

    Standard

    Item Temperature
    Radiator Grille Moulding 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the radiator grille moulding surface.
      1. Remove any remaining double-sided tape from the radiator grille moulding.
      2. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the upper radiator seal with some double-sided tape remaining may cause poor adhesion. Perform this procedure until sufficiently removed it.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
    2. Apply primer to radiator grille moulding on the installation area of the upper radiator seal 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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the upper radiator seal has been attached.
      GTY807740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Primer - -
    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 peeling paper of the new upper radiator seal trying not to touch the adhesional surface.
    5. Install the upper radiator seal as shown in the illustration.

      HINT: 

      Press the upper radiator seal firmly to install it.

      GTY789020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line *b 5.0 mm (0.197 in.)
      *c 10.0 mm (0.394 in.) - -
  14. INSTALL RADIATOR GRILLE MOULDING 
    1. GTY827345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction

      Attach the claw to install the radiator grille moulding as shown in the illustration.

    2. Install the 4 screws.
      GTY806126Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. INSTALL NUT 
    1. Install the 2 nuts.
      GTY776150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. INSTALL RADIATOR GRILLE (OR FRONT PANEL) EMBLEM 
    1. Attach the guide and claw to install the radiator grille (or front panel) emblem as shown in the illustration.
      GTY824673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the 2 screws.
      GTY806122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSTALL FRONT BUMPER EXTENSION MOUNTING BRACKET 
    1. Install the front bumper extension moulding bracket with the 2 screws.
      GTY806182Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. INSTALL RADIATOR GRILLE ASSEMBLY 
    1. Attach the guide and claw to install the radiator grille assembly as shown in the illustration.
      GTY838024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction - -
    2. Install the 17 screws.
      GTY806171Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INSTALL RADIATOR GRILLE SEAL 

    HINT: 

    When installing the radiator grille seal, heat the radiator grille assembly.

    Standard

    Item Temperature
    Radiator Grille Assembly 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the radiator grille assembly surface.
      1. Remove any remaining double-sided tape from the radiator grille assembly.
      2. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the radiator grille seal with some double-sided tape remaining may cause poor adhesion. Perform this procedure until sufficiently removed it.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
    2. Apply primer to radiator grille assembly on the installation area of the radiator grille seal 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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the radiator grille seal has been attached.
      GTY818296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Primer
    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 peeling paper on a new radiator grille seal while making sure not to touch the adhesional surface.
    5. Install the radiator grille seal in the position shown in the illustration.
      GTY775338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Press the radiator grille seal firmly to install it.

  20. INSTALL MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to PROCEDURE - Step 1

  21. INSTALL FRONT TELEVISION CAMERA ASSEMBLY (w/ Panoramic View Monitor System) 

    Refer to PROCEDURE - Step 1

  22. INSTALL FRONT BUMPER HOLE COVER RH 
    1. Attach the anti-drop hook.
      GTY804662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Attach the claw to install the front bumper hole cover RH as shown in the illustration.
  23. INSTALL FRONT BUMPER RETAINER 

    HINT: 

    When installing the front bumper retainer, heat the front bumper cover.

    Standard

    Item Temperature
    Front Bumper Cover 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the front bumper cover installation surface with a non-residue solvent.
    2. Remove the peeling paper on a new front bumper retainer while making sure not to touch the adhesional surface.
    3. Install the 2 front bumper retainers in the position shown in the illustration.
      GTY793564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      Double-sided Tape
      NOTE:

      Press the front bumper retainer firmly to install it.

  24. INSTALL RADIATOR GRILLE SIDE MOULDING LH 
    1. Attach the guide and claw to install the radiator grille side moulding LH as shown in the illustration.
      GTY828211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the 2 screws.
      GTY806157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. INSTALL RADIATOR GRILLE SIDE MOULDING RH 

    HINT: 

    Use the same procedure described for the LH side.

  26. INSTALL RADIATOR GRILLE BRACKET LH 
    1. Attach the claw to install the radiator grille bracket LH as shown in the illustration.
      GTY795308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the 2 screws.
      GTY806153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. INSTALL RADIATOR GRILLE BRACKET RH 

    HINT: 

    Use the same procedure described for the LH side.

  28. INSTALL FRONT BUMPER REINFORCEMENT EXTENSION LH 
    1. Install the grommet to the front bumper reinforcement extension LH.
      GTY775337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY775378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Screw
      Clip

      Install the front bumper reinforcement extension LH with the clip.

    3. Install the 4 screws.
  29. INSTALL FRONT BUMPER REINFORCEMENT EXTENSION RH 

    HINT: 

    Use the same procedure described for the LH side.

  30. INSTALL FRONT BUMPER NO. 2 SIDE RETAINER LH 

    HINT: 

    When installing the front bumper No. 2 side retainer LH, heat the front bumper cover.

    Standard

    Item Temperature
    Front Bumper Cover 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the front bumper cover installation surface with a non-residue solvent.
    2. Remove the peeling paper on a new front bumper No. 2 side retainer LH while making sure not to touch the adhesional surface.
    3. Install the front bumper No. 2 side retainer LH in the position shown in the illustration.
      GTY822016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark-off Line
      Double-sided Tape
      NOTE:

      Press the front bumper No. 2 side retainer LH firmly to install it.

  31. INSTALL FRONT BUMPER NO. 2 SIDE RETAINER RH 

    HINT: 

    Use the same procedure described for the LH side.

  32. INSTALL UPPER RADIATOR GRILLE 
    1. Attach the guide to install the upper radiator grille.
    2. Install the 4 clips.
    3. Install the 6 screws.
      GTY812251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Screw Clip
  33. INSTALL RADIATOR GRILLE PROTECTOR 

    HINT: 

    When installing the radiator grille protector, heat the front bumper cover.

    Standard

    Item Temperature
    Front Bumper Cover 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.
    GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Heated Part
    *b Heat Light
    1. Clean the front bumper cover surface.
      1. Remove the double-sided tape from the front bumper cover.
      2. Wipe off any tape adhesive residue with cleaner.
        NOTE:
        • Installing the front bumper cover with some double-sided tape remaining may cause poor adhesion. Perform this procedure until sufficiently removed it.
        • Make sure to use a cloth when removing. Using a screwdriver, etc., may cause damage and poor adhesion.
    2. Apply primer to front bumper cover on the installation area of the radiator grille protector 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. Therefore, use protective tape when using liquid primer.
      • Do not touch surfaces to which primer has been applied until the radiator grille protector 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 peeling paper on a new radiator grille protector while making sure not to touch the adhesional surface.
    5. Attach the clip and install the radiator grille protector as shown in the illustration.
      NOTE:

      Press the radiator grille protector firmly to install it.

      GTY834038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction Double-sided Tape
  34. INSTALL FRONT ULTRASONIC SENSOR CLIP 

    Refer to PROCEDURE - Step 2

  35. INSTALL FRONT CENTER ULTRASONIC SENSOR 

    Refer to PROCEDURE - Step 3

  36. INSTALL FRONT CORNER ULTRASONIC SENSOR RETAINER 

    Refer to PROCEDURE - Step 4

  37. INSTALL FRONT CORNER ULTRASONIC SENSOR 

    Refer to PROCEDURE - Step 5

  38. INSTALL NO. 4 ENGINE ROOM WIRE 
    1. Attach the clamp to install the No. 4 engine room wire.
    2. w/ Panoramic View Monitor System:
      1. Connect the 6 connectors.
        NOTE:

        Do not apply excessive loads to the retainer. Otherwise, it may peel off.

    3. w/o Panoramic View Monitor System:
      1. Connect the 5 connectors.
        NOTE:

        Do not apply excessive loads to the retainer. Otherwise, it may peel off.

        GTY824625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A w/ Panoramic View Monitor System - -
  39. INSTALL NO. 1 HEADLIGHT CLEANER HOSE (w/ Headlight Cleaner System) 
    1. Attach the clamp to install the No. 1 headlight cleaner hose.
      GTY806264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. INSTALL NO. 2 WASHER BRACKET (w/ Headlight Cleaner System) 

    Refer to PROCEDURE - Step 2

  41. INSTALL WASHER BRACKET (w/ Headlight Cleaner System) 

    HINT: 

    Use the same procedure described for the No. 2 washer bracket.

  42. INSTALL HEADLIGHT WASHER ACTUATOR SUB-ASSEMBLY LH (w/ Headlight Cleaner System) 

    Refer to PROCEDURE - Step 4

  43. INSTALL HEADLIGHT WASHER ACTUATOR SUB-ASSEMBLY RH (w/ Headlight Cleaner System) 

    HINT: 

    Use the same procedure described for the LH side.

  44. INSTALL HEADLIGHT WASHER COVER LH (w/ Headlight Cleaner System) 

    Refer to PROCEDURE - Step 1

  45. INSTALL HEADLIGHT WASHER COVER RH (w/ Headlight Cleaner System) 

    HINT: 

    Use the same procedure described for the LH side.