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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (1 Of 2) >> FRONT SHOCK ABSORBER (for 2WD) >> Installation [10/2016 - 09/2020] >> Procedure

Installation [10/2016 - 09/2020]: Procedure

  1. INSTALL FRONT SHOCK ABSORBER ASSEMBLY 
    1. Align the notch at the end of the shock rod of the front shock absorber assembly with the installation rotational position.
      NOTE:

      When viewing from view A, check that the notch at the end of the shock rod and the lower installation part are parallel as shown in the illustration.

      GTY1083297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Slot *b Lower Installation Part
      *c View A - -
    2. Install SST (09727-58100) and SST (09727-58110) to the front shock absorber assembly.
      • SST: 09727-58100 
      • SST: 09727-58110 
      • SST: 09727-58010 
        1. 09727-58020
      GTY975992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Shock Absorber Assembly *2 Shock Absorber Outer Shell
      *a Turn *b Hold
      *c Fixing Nut *d Bolt
      NOTE:

      Apply molybdenum grease to the bolt (area with diagonal lines) of SST (09727-58010).

      GTY958308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Application Area
      1. Install SST (09727-58020) to the end of the shock rod of the front shock absorber assembly.[#1]
      2. Install SST (09727-58010) to the front shock absorber assembly.[#2]
        NOTE:

        Take due care when installing SST (09727-58010) to ensure the shock rod is not damaged.

      3. Secure the SST (09727-58010) bolt and SST (09727-58020) with the fixing nut.[#3]
      4. After securing the SST (09727-58010) bolt, rotate the nut clockwise.[#4]

        HINT: 

        Extend the shock rod to its maximum length to install SST (09727-58100) and SST (09727-58110).

      5. Using a piece of cloth, etc., clean the shock rod and remove any foreign matter and oil.
        NOTE:

        Thoroughly clean the shock rod to prevent damage to the shock rod due to contact of foreign matter.

      6. Clean the surface of SST (09727-58110) to which the front shock absorber assembly is installed and remove any foreign matter and oil.
        GTY958207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Installation Surface
        NOTE:

        Thoroughly clean the installation surface to prevent damage to the shock rod due to contact of foreign matter.

      7. Using a long ball hexagon 5, install SST (09727-58100) and SST (09727-58110) to the shock rod.[#5]
        NOTE:

        Before installing, check the position of the slot on end of the shock rod.

        HINT: 

        Install SST (09727-58100) and SST (09727-58110) to the base of the shock rod and check that SST (09727-58100) and SST (09727-58110) are securing the shock rod.

      8. After securing the SST (09727-58010) bolt, rotate the nut counterclockwise.
      9. Check that the shock rod and SST (09727-58020) have become free before releasing the fixing nut and removing SST (09727-58010) from the end of the shock rod.
        NOTE:

        Take due care when removing SST (09727-58010) to ensure the shock rod is not damaged.

      10. Remove SST (09727-58020) from the end of the shock rod.
      11. Using a piece of cloth, etc., clean the end of the shock rod threads and remove any foreign matter and oil.
    3. Install the front lower coil spring insulator to the front shock absorber assembly.
      GTY459437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Depression
      NOTE:

      When installing the front lower coil spring insulator, fit the insulator to the depression of the spring seat.

    4. Secure SST in a vise.
      • SST: 09727-30021 
        1. 09727-00010
        2. 09727-00021
        3. 09727-00031
      GTY462746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Attach the arms of SST to the diameter of the front coil spring.
      GTY453890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Correct
      *b Incorrect
      WARNING:
      • Make sure that the front coil spring is installed so that the distance between the upper and lower arms of SST is at the maximum.
      • Make sure that the claws of the arms are securely attached.
    6. Using SST, compress the front coil spring.
      WARNING:
      • If the front coil spring bends during compression, immediately stop compression and reinstall SST.
      • Do not excessively compress the front coil spring so that the coils contact each other.
      • Do not use an impact wrench. It will damage SST.
    7. Install the front coil spring to the front shock absorber assembly.
      GTY464486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Depression
      NOTE:

      Make sure that the end of the front coil spring is positioned in the depression of the front lower spring seat.

    8. Install the front spring bumper to the front suspension support assembly.
    9. Install the front upper coil spring insulator to the front suspension support assembly as shown in the illustration.
      GTY496692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Identification Mark
      *b Protrusion
      NOTE:

      Align the identification mark on the front suspension support assembly with the protrusion on the upper part of the front upper coil spring insulator.

    10. Install the front suspension support assembly to the front shock absorber assembly.
      NOTE:

      Match the shape of the front shock absorber assembly piston rod end to the shape of the front suspension support assembly.

      GTY461593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Piston Rod
    11. w/ AVS:
      1. Install the front actuator support bracket to the front shock absorber assembly as shown in the illustration.
        GTY458038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A LH Side
        *B RH Side
        *1 Front Actuator Support Bracket
        *a Front actuator support bracket center line
        *b 0° +/- 10°
        Front of the Vehicle
        Outside of the Vehicle
    12. Temporarily tighten a new lock nut.
    13. Adjust the front suspension support assembly so that the bolts come to the positions as shown in the illustration, and remove SST from the front coil spring.
      GTY501255Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A LH Side
      *B RH Side
      *a 30° +/- 2°
      *b Identification Mark
      Front of the Vehicle
      Outside of the Vehicle
      NOTE:
      • Do not use an impact wrench. It will damage SST.
      • Make sure that the width across flat on the front shock absorber piston rod end is located parallel to the front shock absorber bushing.
      • Make sure of the direction of the front suspension support assembly when removing SST.
    14. Fold back the front upper coil spring insulator and then use a long ball hexagon 5 to remove SST (09727-58100) and SST (09727-58110) from the front shock absorber assembly.
      GTY975417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Thoroughly remove SST (09727-58100) and SST (09727-58110).
      • Check that front upper coil spring insulator is not excessively deformed or crushed.
    15. Using a piece of cloth, etc., clean the shock rod of the front shock absorber assembly and remove any foreign matter and oil.
      NOTE:

      Thoroughly clean the shock rod to prevent damage to the front shock absorber assembly due to contact of foreign matter.

      GTY957679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cloth, etc.
      *b Shock Rod
    16. Engage the end of the front upper coil spring insulator to the front shock absorber assembly claws.
      GTY519468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front Shock Absorber Assembly Claw
      *b End of Front Upper Coil Spring Insulator
      NOTE:
      • Make sure that the end of the front upper coil spring insulator is engaged securely to the 4 front shock absorber assembly claws.
      • Be careful not to deform the bellows of the front upper coil spring insulator.
      • Keep the front upper coil spring insulator free of oil and grease.
  2. TEMPORARILY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Install the front shock absorber with coil spring (upper side) and front No. 3 spring support reinforcement with the 3 nuts.

      Torque: 67 N.m (683 kgf/cm, 49 ft.lbf) 

    2. Temporarily tighten the front shock absorber with coil spring (lower side) to the front lower suspension arm assembly with the bolt and nut.
      NOTE:
      • Insert the bolt from the rear of the vehicle.
      • Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.

      HINT: 

      Fully tighten the bolt after stabilizing the suspension.

    3. Fully tighten the lock nut.

      Torque: 27.5 N.m (280 kgf/cm, 20 ft.lbf) 

      NOTE:

      Perform this step only when the front shock absorber with coil spring has been disassembled.

  3. INSTALL ABSORBER CONTROL ACTUATOR (w/ AVS) 

    Refer to PROCEDURE - Step 1

  4. INSTALL UPPER SHOCK ABSORBER CAP (w/ AVS) 

    Refer to PROCEDURE - Step 2

  5. INSTALL FRONT UPPER SUSPENSION ARM ASSEMBLY 
    1. Install the front upper suspension arm assembly to the steering knuckle with the nut.

      Torque: 87 N.m (887 kgf/cm, 64 ft.lbf) 

      NOTE:

      Prevent oil from adhering to the threaded and tapered parts.

    2. Install a new clip.
      NOTE:

      Further tighten the nut up to 60° if the holes for the clip are not aligned.

  6. INSTALL FRONT STABILIZER LINK ASSEMBLY 

    Refer to PROCEDURE - Step 9 [08/2015 - 10/2017] , or refer to PROCEDURE - Step 9 [10/2017 - 09/2020]

  7. INSTALL SKID CONTROL SENSOR WIRE 
    1. Install the skid control sensor wire to the front shock absorber with coil spring and vehicle body with the 2 bolts.
      GTY667899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Bolt (A) 

      Torque: 13.5 N.m (138 kgf/cm, 10 ft.lbf) 

      Bolt (B) 

      Torque: 6.0 N.m (61 kgf/cm, 53 in.lbf) 

      NOTE:
      • Be careful not to deform the bracket of the front shock absorber with coil spring when installing the bolt.
      • Do not twist the skid control sensor wire when installing it.
    2. Connect the skid control sensor wire connector to the front axle hub sub-assembly.
      NOTE:

      Do not twist the skid control sensor wire when installing it.

  8. STABILIZE SUSPENSION 
    1. Install the front wheel.

      Torque: 103 N.m (1050 kgf/cm, 76 ft.lbf) 

    2. Lower the vehicle and bounce it up and down several times to stabilize the front suspension.
    3. Remove the front wheel.
    4. Jack up the front lower suspension arm assembly, and place a wooden block under it to avoid damage. Apply load to the suspension so that the front lower suspension arm assembly is placed in a horizontal position.
      GTY668320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
      Wooden block placement location
      WARNING:

      Do not jack up the front lower suspension arm assembly too high as the vehicle may fall.

      NOTE:
      • When jacking up the front lower suspension arm assembly, be sure to jack it up slowly.
      • Make sure to perform this operation with the vehicle kept as low as possible.
  9. FULLY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Fully tighten the front shock absorber with coil spring bolt.

      Torque: 108 N.m (1101 kgf/cm, 80 ft.lbf) 

      NOTE:

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

  10. INSTALL FRONT WHEEL 

    Torque: 103 N.m (1050 kgf/cm, 76 ft.lbf) 

  11. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2016 - 09/2020]