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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension (Service Information) >> Front Suspension Member >> Removal [12/2017 - 08/2019] >> Procedure

Removal [12/2017 - 08/2019]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Refer to PRECAUTION [12/2017 - 03/2018] , or refer to PRECAUTION [03/2018 - 08/2019]

  2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  3. SECURE STEERING WHEEL 

    Refer to PROCEDURE - Step 2

  4. REMOVE FRONT WHEELS 

    Refer to PROCEDURE - Step 1

  5. REMOVE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2017 - 08/2019]

  6. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to REMOVAL [12/2017 - 08/2019]

  7. REMOVE INVERTER TRAY BRACKET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24

  8. REMOVE BATTERY CARRIER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 25

  9. REMOVE ECM ASSEMBLY 

    Refer to PROCEDURE - Step 6 [08/2016 - 03/2018] , or refer to PROCEDURE - Step 8 [03/2018 - 08/2019]

  10. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 4

  11. REMOVE NO. 3 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 5

  12. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 6

  13. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 7

  14. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 8

  15. SEPARATE OXYGEN SENSOR WIRE 

    See step  5

  16. SEPARATE HV FLOOR UNDER WIRE 

    See step  6

  17. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 5

  18. SEPARATE FRONT STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 6

  19. SEPARATE FRONT STABILIZER LINK ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  20. SEPARATE TIE ROD ASSEMBLY LH 

    Refer to PROCEDURE - Step 8

  21. SEPARATE TIE ROD ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  22. SEPARATE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH 

    See step  3

  23. SEPARATE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  24. REMOVE FRONT NO. 1 STABILIZER BRACKET LH 

    See step  13

  25. REMOVE FRONT NO. 1 STABILIZER BRACKET RH 

    HINT: 

    Perform the same procedure as for the LH side.

  26. SEPARATE FRONT STABILIZER BAR 

    Refer to PROCEDURE - Step 14

  27. REMOVE STEERING LINK ASSEMBLY 

    Refer to PROCEDURE - Step 15

  28. REMOVE FRONT STABILIZER BAR 

    See step  17

  29. INSTALL ENGINE HANGERS 

    Refer to PROCEDURE - Step 30

  30. INSTALL ENGINE SUPPORT BRIDGE 

    Refer to PROCEDURE - Step 31

  31. SEPARATE FRONT ENGINE MOUNTING INSULATOR 
    1. Remove the hole plug from the front frame assembly.
      GTY624142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 nuts and separate the front engine mounting insulator.
  32. SEPARATE REAR ENGINE MOUNTING INSULATOR 
    1. Remove the 2 hole plugs from the front frame assembly.
      GTY624143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 nuts and separate the rear engine mounting insulator.
  33. REMOVE FRONT FRAME ASSEMBLY 
    1. Using the chain block assembly, lift the engine with automatic transaxle assembly until the engine is slightly raised off the front frame assembly.
      GTY636342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block Assembly
      *b Turn
      NOTE:
      • When suspending the engine with automatic transaxle assembly, do not tighten the chain block assembly more than 41 N*m (418 kgf*cm, 30 ft.*lbf).
      • Lift the engine with automatic transaxle assembly until the engine is slightly raised off the front frame assembly.
      • Do not lift the engine with automatic transaxle assembly excessively.
      • Do not shake the engine with automatic transaxle assembly excessively while it is suspended.
    2. Support the front frame assembly with an engine lifter using 4 attachments or equivalent tools as shown in the illustration.
      GTY681509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Lifter
      *b Attachment
      Attachment Placement Location
      WARNING:
      • The front frame assembly is a very heavy component. Make sure that it is supported securely.
      • If the front frame assembly is not securely supported, it may drop, resulting in serious injury.
      GTY624897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Use attachments to keep the front frame assembly level.

    3. Remove the 6 bolts, 2 nuts and frame side rail plate sub-assembly RH and frame side rail plate sub-assembly LH.
      GTY660767Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    4. Remove the 6 bolts, 2 nuts and front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH.
    5. Slowly lower the front frame assembly.
      NOTE:

      When lowering the front frame assembly, be careful not to damage the vehicle body or other components installed to the vehicle.

  34. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH 
    1. Remove the 3 bolts, nut and front lower No. 1 suspension arm sub-assembly LH from the front frame assembly.
      NOTE:

      Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

      GTY628391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  36. REMOVE FRONT SUSPENSION MEMBER DUMPER PLATE 
    1. Remove the 2 nuts and front suspension member damper plate from the front suspension member dynamic damper.
      GTY628393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE FRONT SUSPENSION MEMBER DYNAMIC DAMPER 
    1. Remove the 3 bolts and front suspension member dynamic damper from the front frame assembly.
      GTY675995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT STOPPER 
    1. Remove the 2 front suspension member body mounting front stoppers from the front frame assembly.
  39. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR STOPPER 
    1. Remove the 2 front suspension member body mounting rear stoppers from the front frame assembly.
  40. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT CUSHION LH 
    1. Install SST as shown in the illustration.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01040
        3. 09830-01050
      • SST: 09950-40011 
        1. 09951-04020
        2. 09952-04010
        3. 09954-04010
        4. 09955-04011
        5. 09958-04011
      GTY673300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Suspension Member Body Mounting Front Cushion LH
    2. Turn the SST center bolt in the direction shown by the arrow in the illustration to create a clearance between the front suspension member body mounting front cushion LH and the front frame assembly.
      GTY646428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      *b Hold
    3. While applying penetrating lubricant to the front suspension member body mounting front cushion LH through the clearance, gradually remove the front suspension member body mounting front cushion LH.
      NOTE:
      • Make sure that the claws of SST are securely engaged to the mounting cushion.
      • Tighten SST slowly and evenly.
      • Be careful as the mounting cushion may fly out.
      • The mounting cushion cannot be reused.
  41. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT CUSHION 

    HINT: 

    Perform the same procedure as for the front suspension member body mounting front cushion LH.

  42. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION LH 
    1. Install SST as shown in the illustration.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01040
        3. 09830-01050
      • SST: 09950-40011 
        1. 09951-04020
        2. 09952-04010
        3. 09954-04010
        4. 09955-04011
        5. 09958-04011
      GTY685039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Suspension Member Body Mounting Rear Cushion LH
    2. Turn the SST center bolt in the direction shown by the arrow in the illustration to create a clearance between the front suspension member body mounting rear cushion LH and the front frame assembly.
      GTY664338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      *b Hold
    3. While applying penetrating lubricant to the front suspension member body mounting rear cushion LH through the clearance, gradually remove the front suspension member body mounting rear cushion LH.
      NOTE:
      • Make sure that the claws of SST are securely engaged to the mounting cushion.
      • Tighten SST slowly and evenly.
      • Be careful as the mounting cushion may fly out.
      • The mounting cushion cannot be reused.
  43. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION 

    HINT: 

    Perform the same procedure as for the front suspension member body mounting rear cushion LH.

  44. REMOVE HOLE PLUG 
    1. Remove the 16 hole plugs from the front frame assembly.

      HINT: 

      There are 3 different shapes of hole plug.

      GTY650710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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