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Home >> Lexus >> 2019 >> GS F >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension - Service Information >> Rear Lower Arm >> Installation [10/2015 - ] >> Procedure

Installation [10/2015 - ]: Procedure

  1. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY 
    1. Temporarily install the rear No. 2 suspension arm assembly to the rear suspension member sub-assembly with the bolt and nut.
      NOTE:

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

      HINT: 

      Insert the bolt with the threaded end facing the front of the vehicle.

  2. INSTALL REAR LOWER COIL SPRING INSULATOR 

    See step  1

  3. INSTALL REAR UPPER COIL SPRING INSULATOR 

    See step  2

  4. INSTALL REAR COIL SPRING 

    See step  3

  5. TEMPORARILY INSTALL REAR SHOCK ABSORBER ASSEMBLY 

    See step  4

  6. INSTALL REAR STABILIZER LINK ASSEMBLY 

    See step  3

  7. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY 
    1. Temporarily install the rear No. 1 suspension arm assembly to the rear suspension member sub-assembly with the bolt and nut.
      NOTE:

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

      HINT: 

      Insert the bolt with the threaded end facing the front of the vehicle.

    2. Temporarily install the rear No. 1 suspension arm assembly to the rear axle assembly with the bolt and nut.
      NOTE:

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

      HINT: 

      Insert the bolt with the threaded end facing the front of the vehicle.

  8. CONNECT REAR STEERING TIE ROD ASSEMBLY 

    See step  5

  9. STABILIZE SUSPENSION 

    See step  11, or See step  11

  10. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY 
    1. Install the rear No. 2 suspension arm assembly (rear suspension member sub-assembly side) with the bolt.

      Torque: 150 N*m (1530 kgf*cm, 111 ft.*lbf) 

      NOTE:

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

    2. Install the rear No. 2 suspension arm assembly (rear axle assembly side) with the bolt.

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

      NOTE:

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

  11. INSTALL REAR SHOCK ABSORBER ASSEMBLY 

    See step  13, or See step  13

  12. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY 
    1. Install the rear No. 1 suspension arm assembly (rear suspension member sub-assembly side) with the bolt.

      Torque: 90 N*m (918 kgf*cm, 66 ft.*lbf) 

      NOTE:

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

    2. Install the rear No. 1 suspension arm assembly (rear axle assembly side) with the bolt.

      Torque: 90 N*m (918 kgf*cm, 66 ft.*lbf) 

      NOTE:

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

  13. INSTALL REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY 

    See step  12

  14. INSTALL REAR SUSPENSION ARM COVER 
    1. Install the rear suspension arm cover to the rear No. 2 suspension arm assembly with the 2 bolts.

      Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

  15. INSTALL REAR WHEEL 

    Refer to PROCEDURE - Step 1

  16. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2015 - ]

  17. INITIALIZE HEIGHT CONTROL SENSOR SIGNAL 

    Refer to INITIALIZATION [10/2015 - ]

  18. ADJUST HEADLIGHT AIMING 

    Refer to ADJUSTMENT [10/2015 - ]