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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (1 Of 2) >> FRONT SHOCK ABSORBER (for AWD) >> Removal [10/2017 - 10/2020] >> Procedure

Removal [10/2017 - 10/2020]: Procedure

  1. REMOVE UPPER RADIATOR SUPPORT SEAL (for LH Side) 

    Refer to PROCEDURE - Step 2

  2. REMOVE RADIATOR COVER PLATE (for RH Side) 

    Refer to PROCEDURE - Step 3

  3. REMOVE STEERING KNUCKLE LH 

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

  4. REMOVE FRONT FLEXIBLE HOSE BRACKET LH 
    1. Remove the bolt and front flexible hose bracket LH from the front shock absorber with coil spring.
      GTY807426Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISCONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 
    1. Remove the nut and disconnect the front height control sensor sub-assembly LH.
      GTY807428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  7. REMOVE FRONT SHOCK ABSORBER CAP LH 
    1. Remove the front shock absorber cap LH.
      GTY799142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Disconnect the connector.
      GTY834346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt.
    3. Disengage the guide to disconnect the absorber control wire.
    4. Support the front lower suspension arm assembly LH using a jack and wooden block.
      GTY821232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
    5. Remove the nut.
      GTY807412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the front upper shock absorber bracket plate, and disconnect the front lower shock absorber bracket sub-assembly LH from the front lower suspension arm assembly LH.
      GTY807410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Loosen the lock nut.
      WARNING:
      • Only loosen the lock nut, do not remove it.
      • If the lock nut is removed with the front coil spring under tension, components of the front shock absorber LH with coil spring may fly off.
      GTY596485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      If the front shock absorber LH with coil spring will not be disassembled, do not loosen the lock nut.

      GTY799137Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the 3 nuts from the front shock absorber with coil spring (upper side).
      GTY832518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Slowly lower the jack and remove the front shock absorber with coil spring.
    10. Remove the nut.
      GTY834343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT LOWER SHOCK ABSORBER BRACKET SUB-ASSEMBLY LH 
    1. Secure the front lower shock absorber bracket sub-assembly LH between aluminum plates in a vise.
      NOTE:

      Do not overtighten the vise.

      GTY807421Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and front lower shock absorber bracket sub-assembly LH from the front shock absorber assembly.
  10. REMOVE FRONT SHOCK ABSORBER ASSEMBLY LH 
    1. Secure SST in a vise.
      • SST: 09727-30022 
        1. 09727-00010
        2. 09727-00022
        3. 09727-00031
      GTY828460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the hooks of each SST arm across the diameter of the coil spring.
      WARNING:
      • Do not perform the work without checking to make sure that the claws of the hooks are securely engaged.
        GTY830377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Front Coil Spring Diameter
      • It could cause the hook to slip off and the spring to fly out, which could result in an injury.
      • Do not install SST to the front coil spring unless its top and bottom hook distance is set to the widest condition.
        GTY596483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • It could cause the hook to slip off and the spring to fly out, which could result in an injury.
      • Do not install SST when the distances between the SST arms or the number of coils of the coil spring between the hooks are not the same.
        GTY613077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • It could cause the hook to slip off and the spring to fly out, which could result in an injury.
    3. Install the stopper pins to the hooks of SST.
      GTY791860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Stopper Pin
      WARNING:

      Do not perform the work if the stopper pin is not securely installed.

    4. Install SST and 2 vehicle nuts to the upper support as shown in the illustration.
      • SST: 09727-30022 
        1. 09727-00090
        2. 09727-00100
      GTY775351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Vehicle Nut
    5. Using SST, compress the coil spring.
      WARNING:
      • While compressing the spring, if the front coil spring starts to bend into a bow shape, do not continue the work.
        GTY596481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • It could cause the hook to slip off and the spring to fly out, which could result in an injury.
      • Do not compress the springs so far that the coils of the springs touch each other.
        GTY596494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • It could cause the hook to slip off and the spring to fly out, which could result in an injury.
      • Do not use an impact wrench.
        GTY596492Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • The threads may be stripped, or the sudden compression may result in slack that causes the hooks to slip off, causing the spring to fly out and possibly resulting in injury.
      • If a stopper pin touches the coil spring while using SST, remove the stopper pin and continue with the procedure.
        GTY811143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a stopper pin is removed, install a coil spring stopper belt as shown in the illustration.
      • SST: 09727-00110 
    6. Check that the front coil spring has become free, and remove the front support to front shock absorber lock nut.
      WARNING:
      • If the front coil spring has not become free, do not remove the front support to front shock absorber lock nut.
      • The spring force will cause the components to be scattered, possibly resulting in injury.
      GTY596490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the front suspension support assembly from the front shock absorber assembly LH.
      NOTE:

      Turn the front suspension support assembly to disengage the end of the front upper coil spring insulator from the front shock absorber assembly LH claws.

      GTY518680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front Shock Absorber Assembly LH Claw
      *b End of Front Upper Coil Spring Insulator
    8. Remove the front upper coil spring insulator from the front suspension support assembly.
    9. Remove the front spring bumper from the front suspension support assembly.
    10. Remove the front coil spring and SST.
      NOTE:

      Do not use an impact wrench. It will damage SST.

    11. Remove the front lower coil spring insulator from the front shock absorber assembly LH.