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Home >> Toyota >> 2021 >> C-HR Limited >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension - Service Information >> Rear Shock Absorber >> Installation [02/2017 - 10/2017] >> Procedure

Installation [02/2017 - 10/2017]: Procedure

  1. INSTALL REAR SUSPENSION SUPPORT ASSEMBLY 
    1. Secure the rear suspension support assembly in a vise using aluminum plates.
      NOTE:

      Do not overtighten the vise.

    2. Install the rear suspension support assembly to the rear shock absorber assembly.
    3. Apply a few drops of adhesive to the threads of a new rear support to rear shock absorber nut.

      Adhesive

      Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

    4. Using SST and a 6 mm hexagon socket wrench, hold the rear shock absorber rod and tighten a new rear support to rear shock absorber nut.
      • SST: 09729-97202 

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 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 [02/2017 - 05/2018]

      • When using SST (fulcrum length of 40 mm (1.57 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

        20 N*m (204 kgf*cm, 15 ft.*lbf)

      GTY750103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      *b Turn
      *c Hold
  2. INSTALL REAR SHOCK ABSORBER CAP 
    1. Install the rear shock absorber cap to the rear shock absorber assembly.
  3. TEMPORARILY INSTALL REAR SHOCK ABSORBER ASSEMBLY 
    1. Temporarily install the rear shock absorber assembly to the rear axle carrier sub-assembly with the nut.
      NOTE:

      Hold the rear axle carrier pin while rotating the nut.

  4. STABILIZE SUSPENSION 
    1. Using a jack and a wooden block, apply load to the suspension so that the rear No. 2 suspension arm assembly is positioned as shown in the illustration.

      Standard Length A

      34.5 mm (1.36 in.)

      WARNING:
      GTY613081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Do not raise the jack up too high.
      • The vehicle could fall, resulting in a serious accident.
      GTY742844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
      Wooden Block Placement Location
      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.
  5. TEMPORARILY INSTALL REAR UPPER CONTROL ARM ASSEMBLY 
    1. Temporarily install the rear upper control arm assembly to the rear axle carrier sub-assembly with the bolt and nut.
      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.
  6. CONNECT REAR SHOCK ABSORBER ASSEMBLY 
    1. Connect the rear shock absorber assembly to the vehicle with the 2 bolts.
      GTY591953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 55 N*m (561 kgf*cm, 41 ft.*lbf) 

      NOTE:

      Temporarily tighten bolt A and then fully tighten the 2 bolts in the order of B and A.

  7. INSTALL REAR SHOCK ABSORBER ASSEMBLY 
    1. Using a ball joint lock nut wrench fully tighten the rear shock absorber assembly with the nut.
      GTY751911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Axle Carrier Pin
      *a Torque Wrench Fulcrum Length
      *b Ball Joint Lock Nut Wrench
      *c Turn
      *d Hold

      Specified tightening torque 

      Torque: 125 N*m (1275 kgf*cm, 92 ft.*lbf) 

      NOTE:

      Hold the rear axle carrier pin while rotating the nut.

      HINT: 

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

        Refer to PRECAUTION [02/2017 - 05/2018]

      • When using a ball joint lock nut wrench (fulcrum length of 150.25 mm (5.92 in.)) + torque wrench (fulcrum length of 400 mm (1.31 ft.)):

        91 N*m (928 kgf*cm, 67 ft.*lbf)

  8. INSTALL REAR UPPER CONTROL ARM ASSEMBLY 
    1. Install the rear upper control arm assembly to the rear axle carrier sub-assembly with the bolt.

      Torque: 73 N*m (744 kgf*cm, 54 ft.*lbf) 

      NOTE:

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

  9. INSTALL REAR STABILIZER LINK ASSEMBLY 

    See step  5

  10. INSTALL REAR WHEEL 

    Refer to INSTALLATION [02/2017 - 05/2018]

  11. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [02/2017 - 10/2017]