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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension - Service Information >> Rear Shock Absorber >> Installation [10/2015 - 09/2016] >> Procedure

Installation [10/2015 - 09/2016]: Procedure

  1. INSTALL REAR NO. 1 SPRING BUMPER 
    1. Install the rear No. 1 spring bumper to the rear shock absorber assembly.
  2. INSTALL REAR SUSPENSION SUPPORT ASSEMBLY 
    1. Install the rear No. 2 shock absorber cushion, rear suspension support assembly, rear No. 1 shock absorber cushion and rear shock absorber cushion washer to the rear shock absorber assembly.
      GTY640240Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear No. 2 Shock Absorber Cushion
      *2 Rear Suspension Support Assembly
      *3 Rear No. 1 Shock Absorber Cushion
      *4 Rear Shock Absorber Cushion Washer
      NOTE:

      Be sure to install the rear shock absorber cushion washer in the correct direction.

    2. Temporarily tighten a new rear support to rear shock absorber nut.
    3. Align the rear suspension support assembly so that the stud bolts of the rear suspension support assembly are positioned as shown in the illustration.
      GTY512884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Shock Absorber Lower Bushing
      *2 Rear Suspension Support Assembly
      *a Rear Shock Absorber Lower Bushing Axis Line
      *b Rear Suspension Support Assembly Stud (Toward Vehicle Interior) 2-point Axis Line
      Front of the Vehicle
    4. Using a union nut wrench, fully tighten the rear support to rear shock absorber nut while holding the rod of the rear shock absorber assembly with a 6 mm hexagon socket wrench.
      GTY653391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      *b Union Nut Wrench

      Specified tightening torque 

      Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf) 

      NOTE:

      Securely insert the 6 mm hexagon socket wrench into the rear shock absorber rod to prevent damage to the rear shock absorber assembly when tightening the rear support to rear shock absorber nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [10/2015 - ]

      • When using a union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 250 mm (9.84 in.)):

        16 N*m (163 kgf*cm, 12 ft.*lbf)

  3. INSTALL REAR SHOCK ABSORBER ASSEMBLY (for Upper Side) 
    1. Install the 3 nuts to the upper side of the rear shock absorber assembly.

      Torque: 74 N*m (755 kgf*cm, 55 ft.*lbf) 

  4. INSTALL REAR LOWER COIL SPRING INSULATOR 

    See step  1

  5. INSTALL REAR UPPER COIL SPRING INSULATOR 

    See step  2

  6. INSTALL REAR COIL SPRING 

    See step  3

  7. TEMPORARILY INSTALL REAR SHOCK ABSORBER ASSEMBLY (for Lower Side) 

    See step  4

  8. INSTALL REAR STABILIZER LINK ASSEMBLY 

    See step  3

  9. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY 

    See step  6

  10. CONNECT REAR STEERING TIE ROD ASSEMBLY 

    See step  5

  11. STABILIZE SUSPENSION 
    1. Using a jack and wooden block, apply load to the suspension so that the rear No. 2 suspension arm assembly is positioned as shown in the illustration.
      WARNING:
      • Do not raise the jack up too high.
      • The vehicle could fall, resulting in a serious accident.
      GTY613081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • When jacking up the rear No. 2 suspension arm assembly, be sure to jack it up slowly.
      • Make sure to perform this operation with the vehicle kept as low as possible.
      GTY509470Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
      Wooden block placement location

      Standard Length (A)

      18.1 mm (0.713 in.)

  12. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY 

    See step  9

  13. INSTALL REAR SHOCK ABSORBER ASSEMBLY (for Lower Side) 
    1. Install the rear shock absorber assembly with the bolt.

      Torque: 110 N*m (1122 kgf*cm, 81 ft.*lbf) 

      NOTE:

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

      GTY507548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY 

    See step  11

  15. INSTALL REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY 

    See step  12

  16. INSTALL REAR SUSPENSION ARM COVER 

    See step  14

  17. INSTALL REAR WHEEL 

    Refer to PROCEDURE - Step 1

  18. INSTALL LUGGAGE COMPARTMENT TRIM COVER 

    Refer to INSTALLATION [10/2015 - ]

  19. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2015 - ]

  20. INITIALIZE HEIGHT CONTROL SENSOR SIGNAL 

    Refer to INITIALIZATION [10/2015 - ]

  21. ADJUST HEADLIGHT AIMING 

    Refer to ADJUSTMENT [10/2015 - ]