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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension (Service Information) (2 Of 2) >> Rear Suspension Member (For AWD) >> Installation [10/2015 - 08/2016] >> Procedure

Installation [10/2015 - 08/2016]: Procedure

  1. INSTALL HOLE PLUG 
    1. Install the 12 hole plugs to the rear suspension member sub-assembly as shown in the illustration.

      HINT: 

      The upper and lower hole plug shapes are different.

      GTY620503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for LH Side) 
    1. Confirm the installation direction and temporarily install a new rear suspension member front body mounting cushion.
      GTY680637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from Underneath
      *b Front of the Vehicle
      *c Left Side of the Vehicle
      *d 45°
    2. Install SST as shown in the illustration.
      • SST: 09527-17011 
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      Apply grease to the threads and tip of the SST center bolt before use.

      HINT: 

      Use SST with the "F" mark facing the rear suspension member front body mounting cushion.

      GTY664296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, install the rear suspension member front body mounting cushion until there is no clearance between the rear suspension member sub-assembly and rear suspension member front body mounting cushion.
      • SST: 09527-17011 
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

      GTY669669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      *b Turn
    4. Remove SST from the rear suspension member sub-assembly.
  3. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for RH Side) 
    1. Confirm the installation direction and temporarily install a new rear suspension member front body mounting cushion.
      GTY656104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from Underneath
      *b Front of the Vehicle
      *c Left Side of the Vehicle
      *d 45°
    2. Install SST as shown in the illustration.
      • SST: 09527-17011 
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      Apply grease to the threads and tip of the SST center bolt before use.

      HINT: 

      Use SST with the "F" mark facing the rear suspension member front body mounting cushion.

      GTY617373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, install the rear suspension member front body mounting cushion until there is no clearance between the rear suspension member sub-assembly and rear suspension member front body mounting cushion.
      • SST: 09527-17011 
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

      GTY645547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      *b Turn
    4. Remove SST from the rear suspension member sub-assembly.
  4. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH 
    1. Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion LH.
      GTY670244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from Underneath
      *b Front of the Vehicle
      *c Left Side of the Vehicle
    2. Install SST as shown in the illustration.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      Apply grease to the threads and tip of the SST center bolt before use.

      HINT: 

      Use SST with the "F" mark facing the rear suspension member rear body mount cushion LH.

      GTY649911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, install the rear suspension member rear body mount cushion LH until there is no clearance between the rear suspension member sub-assembly and rear suspension member rear body mount cushion LH.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

      GTY685149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      *b Turn
    4. Remove SST from the rear suspension member sub-assembly.
  5. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH 
    1. Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion RH.
      GTY685040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from Underneath
      *b Front of the Vehicle
      *c Right Side of the Vehicle
      *d 15°
    2. Install SST as shown in the illustration.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      Apply grease to the threads and tip of the SST center bolt before use.

      HINT: 

      Use SST with the "F" mark facing the rear suspension member rear body mount cushion RH.

      GTY642641Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, install the rear suspension member rear body mount cushion RH until there is no clearance between the rear suspension member sub-assembly and rear suspension member rear body mount cushion RH.
      • SST: 09830-10010 
        1. 09830-01010
        2. 09830-01020
        3. 09830-01030
        4. 09830-01060
      NOTE:

      If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

      GTY663169Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      *b Turn
    4. Remove SST from the rear suspension member sub-assembly.
  6. INSTALL DIFFERENTIAL MOUNT CUSHION 
    1. Temporarily install a new differential mount cushion to the rear suspension member sub-assembly from the rear of the vehicle as shown in the illustration.
      GTY646316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front of the Vehicle
      *b 0° +/- 3°
      NOTE:
      • Make sure that the differential mount cushion is aligned within 3° from the center.
      • Be sure to install the differential mount cushion in the correct direction.
    2. Using SST, press the differential mount cushion into the rear suspension member sub-assembly. (Step *1)
      • SST: 09570-48010 
      GTY629672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front of the Vehicle
      *b Hold
      *c Turn
      NOTE:
      • Apply grease to the threads of the SST center bolt before use.
      • Install the SST bolts straight and tighten them equally.
    3. Using a vernier caliper, measure the length indicated by (A) in the illustration. (Step *2)
      GTY639728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Measure at several points to ensure that the differential mount cushion is pressed in evenly.
      • Do not measure on a weld bead.
    4. Repeat the steps *1 and *2 to press the differential mount cushion into the rear suspension member sub-assembly until the length indicated by (A) in the illustration is within the specification.

      Reference Length (A)

      6.5 to 7.5 mm (0.256 to 0.295 in.)

      HINT: 

      Reference length (A) = Standard length (B) + Thickness of SST

    5. Remove SST. Using a vernier caliper, measure the differential mount cushion protrusion length indicated by (B) in the illustration and ensure that the measured length is within the specification.

      Standard Length (B)

      0.5 to 1.5 mm (0.0197 to 0.0590 in.)

  7. INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 1

  8. INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  9. INSTALL REAR SUSPENSION MEMBER UPPER STOPPER 
    1. Install the 2 rear suspension member upper stoppers to the rear suspension member sub-assembly.
  10. INSTALL REAR SUSPENSION MEMBER REAR UPPER STOPPER 
    1. Install the 2 rear suspension member rear upper stoppers to the rear suspension member sub-assembly.
  11. INSTALL REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY 

    Refer to INSTALLATION [10/2015 - ]

  12. INSTALL REAR SUSPENSION MEMBER SUB-ASSEMBLY 
    1. Using an engine lifter, 2 attachments and 2 wooden blocks or equivalent tools, support the rear suspension member sub-assembly as shown in the illustration.
      WARNING:
      • The rear suspension member sub-assembly is a very heavy component. Make sure that it is supported securely.
      • If the rear suspension member sub-assembly is not securely supported, it may drop, resulting in serious injury.
      GTY677083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Use attachments and wooden blocks to keep the rear suspension member sub-assembly level.
      • Keep supporting the rear suspension member sub-assembly until the installation has been completed.
    2. Raise the rear suspension member sub-assembly until there is no clearance between the rear suspension member sub-assembly and vehicle body.
      GTY644108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Lifter
      *b Attachment
      *c Wooden Block
      Attachment and Wooden Block Placement Location
    3. Install the rear suspension member sub-assembly with the 2 rear lower suspension braces, rear lower suspension member stopper LH and rear lower suspension member stopper RH, with the 4 bolts and 2 nuts.
      GTY674784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Lower Suspension Brace - -

      Bolt 

      Torque: 158 N*m (1611 kgf*cm, 117 ft.*lbf) 

      Nut 

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

      NOTE:

      Be sure to install the rear suspension member sub-assembly with the rear lower suspension braces facing in the correct direction as shown in the illustration.

    4. Lower the engine lifter.
  13. CONNECT HV FLOOR UNDER WIRE 

    Refer to PROCEDURE - Step 7

  14. INSTALL NO. 3 FLOOR WIRE 
    1. Install the No. 3 floor wire to the rear suspension member sub-assembly with the bolt and 3 clamps.

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

      NOTE:

      Do not twist the No. 3 floor wire when installing it.

  15. CONNECT REAR UPPER CONTROL ARM ASSEMBLY LH 
    1. Using a brass bar and a hammer, push out the bushing until it is positioned as shown in the illustration.

      HINT: 

      Pushing out the bushing makes it easier to connect the rear upper control arm assembly LH.

      GTY625121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the rear upper control arm assembly LH to the rear axle carrier sub-assembly LH with the bolt and nut.

      Torque: 145 N*m (1479 kgf*cm, 107 ft.*lbf) 

      NOTE:
      • Insert the bolt with the threaded end facing the rear of the vehicle.
      • Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.
      GTY625119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. CONNECT REAR UPPER CONTROL ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  17. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 1

  18. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  19. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 2

  20. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  21. INSTALL REAR LOWER COIL SPRING INSULATOR LH 

    Refer to PROCEDURE - Step 2

  22. INSTALL REAR LOWER COIL SPRING INSULATOR RH 

    HINT: 

    Perform the same procedure as for the LH side.

  23. INSTALL REAR COIL SPRING LH 

    Refer to PROCEDURE - Step 3

  24. INSTALL REAR COIL SPRING RH 

    HINT: 

    Perform the same procedure as for the LH side.

  25. INSTALL REAR STABILIZER BAR 

    Refer to PROCEDURE - Step 3

  26. INSTALL REAR STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 4

  27. INSTALL REAR STABILIZER LINK ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  28. INSTALL REAR DRIVE SHAFT ASSEMBLY LH 

    Refer to PROCEDURE - Step 1

  29. INSTALL REAR DRIVE SHAFT ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  30. INSTALL REAR SPEED SENSOR LH (w/o AVS) 
    1. Install the rear speed sensor LH with the 2 bolts and nut.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    2. Connect the connector.
  31. INSTALL REAR SPEED SENSOR RH (w/o AVS) 
    1. Install the rear speed sensor RH with the 2 bolts and nut.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    2. Connect the connector and engage the 2 clamps.
  32. INSTALL REAR SKID CONTROL SENSOR WIRE LH (w/ AVS) 
    1. Install the rear skid control sensor wire LH with the 2 bolts and 4 nuts.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    2. Connect the 3 connectors.
  33. INSTALL REAR SKID CONTROL SENSOR WIRE RH (w/ AVS) 
    1. Install the rear skid control sensor wire RH with the 2 bolts and 4 nuts.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    2. Connect the 3 connectors and engage the 3 clamps.
  34. CONNECT REAR SPEED SENSOR LH 
    1. Install the rear speed sensor to the rear trailing arm assembly with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      NOTE:

      Do not twist the rear speed sensor when installing it.

      GTY620121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rear speed sensor to the rear axle carrier sub-assembly with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      NOTE:

      Do not twist the rear speed sensor when installing it.

      GTY674168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. CONNECT REAR SPEED SENSOR RH 

    HINT: 

    Perform the same procedure as for the LH side.

  36. CONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY 

    Refer to PROCEDURE - Step 4

  37. CONNECT NO. 1 PARKING BRAKE WIRE ASSEMBLY 

    HINT: 

    Perform the same procedure as for the LH side.

  38. INSTALL REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH 

    Refer to INSTALLATION [10/2015 - 03/2018]

  39. INSTALL REAR AXLE SHAFT NUT LH 

    Refer to PROCEDURE - Step 10

  40. INSTALL REAR AXLE SHAFT NUT RH 

    HINT: 

    Perform the same procedure as for the LH side.

  41. CONNECT REAR FLEXIBLE HOSE LH 
    1. Connect the rear flexible hose LH to the rear upper control arm assembly LH with the bolt.

      Torque: 18.8 N*m (192 kgf*cm, 14 ft.*lbf) 

      GTY620193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. CONNECT REAR FLEXIBLE HOSE RH 

    HINT: 

    Perform the same procedure as for the LH side.

  43. STABILIZE SUSPENSION 

    Refer to PROCEDURE - Step 5

  44. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  45. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  46. INSTALL REAR SUSPENSION ARM COVER LH 

    Refer to PROCEDURE - Step 8

  47. INSTALL REAR SUSPENSION ARM COVER RH 

    HINT: 

    Perform the same procedure as for the LH side.

  48. INSTALL TAIL EXHAUST PIPE ASSEMBLY 

    Refer to INSTALLATION [10/2015 - 03/2018]

  49. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [10/2015 - 03/2018]

  50. INSTALL REAR WHEEL 

    Refer to PROCEDURE - Step 1

  51. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 11

  52. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  53. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 8

  54. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2015 - 08/2016]

  55. CHECK FOR SPEED SENSOR SIGNAL 

    Refer to TEST MODE PROCEDURE [10/2015 - 08/2016]

  56. PERFORM INITIALIZATION 
    Parking assist monitor system for Initialization: Refer to INITIALIZATION [10/2015 - 08/2019]
    for Calibration: Refer to CALIBRATION [10/2015 - 03/2018]
    Panoramic view monitor system for Initialization: Refer to INITIALIZATION [10/2015 - 08/2019]
    for Calibration: Refer to CALIBRATION [10/2015 - 03/2018]
    • Automatic headlight beam level control system
    • AFS (Adaptive front-lighting system)
    Refer to INITIALIZATION [10/2015 - 08/2019]