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Home >> Toyota >> 2017 >> Prius Three >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension - Service Information >> Front Shock Absorber >> Installation [11/2015 - 12/2018] >> Procedure

Installation [11/2015 - 12/2018]: Procedure

  1. INSTALL FRONT LOWER COIL SPRING INSULATOR 
    1. Install the front lower coil spring insulator to the front shock absorber assembly.
      GTY575337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Positioning Pin
      NOTE:

      When installing the front lower coil spring insulator, insert the positioning pin of the spring seat into the hole of the front lower coil spring insulator.

  2. INSTALL FRONT SPRING BUMPER 
    1. Install the front spring bumper to the front shock absorber assembly.
      GTY565567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Face the smaller diameter end of the front spring bumper downward.
      • Do not apply lubricants to the front spring bumper.
      • Do not apply lubricants to the front shock absorber assembly cap or rod.
      • Do not clean the front spring bumper with water or solvent.
  3. INSTALL FRONT COIL SPRING 
    1. Secure SST in a vise.
      • SST: 09727-00051 
      • SST: 09727-30022 
        1. 09727-00010
        2. 09727-00031
      GTY488737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the hooks of each SST arm across the diameter of the coil spring.
      WARNING:
      • Make sure that the hooks are securely attached to the coil spring.
        GTY600271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      • Make sure that the hooks of the upper and lower SST arms are attached to the coil spring so that the distance between the hooks is as large as possible.
        GTY565525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      • Make sure that the arms of SST are parallel and the number of coils between the arms is the same on each side.
        GTY606366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
    3. Install the stopper pins to the hooks of SST.
      WARNING:
      • Make sure that the stopper pins are installed securely.
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      GTY551008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using SST, compress the coil spring.
      WARNING:
      • If the coil spring starts to bow out while using SST, stop immediately and reattach SST correctly.
        GTY565528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      • Do not compress the coil spring to the point where the coils touch each other.
        GTY565527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      • Do not use an impact wrench.
        GTY565521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If an impact wrench is used, the threads of SST may be damaged, or sudden compression of the coil spring may cause a hook to disengage and the coil spring to fly out, resulting in injury.
      • If a stopper pin touches the coil spring while using SST, remove the stopper pin and continue with the procedure.
        GTY579673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If a stopper pin is removed, install a coil spring stopper belt as shown in the illustration.
      • If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
      • SST: 09727-00110 
    5. Align the end of the front coil spring with the flange of the front lower coil spring insulator and install the front coil spring.
      GTY583970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Depression
      NOTE:

      Make sure to fit the end of the front coil spring that has the larger diameter into the depression of the front lower coil spring insulator.

  4. INSTALL FRONT SPRING SEAT SUB-ASSEMBLY WITH INSULATOR 
    1. Install the front spring seat sub-assembly with insulator to the front shock absorber assembly.
      NOTE:

      Make sure that the top end of the insulator (shock absorber dust cover) and the strut mounting bearing are securely attached.

      GTY585627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Strut Mounting Bearing
      *a Top End of the Insulator (Shock Absorber Dust Cover)
  5. INSTALL FRONT SUSPENSION SUPPORT SUB-ASSEMBLY 
    1. Install the front suspension support sub-assembly as shown in the illustration.
      GTY545638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Slot
      Outside of the Vehicle
      NOTE:

      Check that the slot on the piston rod and the slot on the front suspension support sub-assembly are aligned.

    2. Align the protrusion of the front suspension support sub-assembly with the front shock absorber lower bracket as shown in the illustration.
      GTY540610Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0°+/- 5°
      *b Guide Line of Front Suspension Support Sub-assembly
      *c Area in Which Protrusions Must Be Aligned
      *d Protrusion of Front Suspension Support Sub-assembly
      *e Front Shock Absorber Lower Bracket
      *f Protrusion of Upper Case
      *g Protrusion of Lower Case
      Outside of the Vehicle
      NOTE:

      Make sure to install the front suspension support sub-assembly so that the protrusion of the front suspension support sub-assembly is aligned within +/- 5° of the center of the front shock absorber lower bracket.

    3. Align the protrusions of the upper case and lower case of the strut mounting bearing as shown in the illustration.
      NOTE:

      Make sure to install the front spring seat sub-assembly with insulator so that the protrusion of the upper case of the strut mounting bearing overlaps with the protrusion of the lower case within the guide lines of the front suspension support sub-assembly.

  6. INSTALL COLLAR 
    1. Install the collar to the front shock absorber assembly.
  7. TEMPORARILY TIGHTEN FRONT SUPPORT TO FRONT SHOCK ABSORBER NUT 
    1. Temporarily tighten a new front support to front shock absorber nut.
    2. Remove SST from the front coil spring.
      NOTE:

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

  8. CONNECT FRONT SPRING SEAT SUB-ASSEMBLY WITH INSULATOR 
    1. Connect the end of the insulator of the front spring seat sub-assembly with insulator with the claws of the front shock absorber assembly.
      NOTE:
      • Make sure that the end of the insulator is securely attached to the claws of the front shock absorber assembly.
      • Make sure there is no excessive damage to the bellows of the insulator.
      • Do not allow oil, grease, etc., to contact the insulator.
      • If oil or grease has adhered, wipe clean with a cloth. Do not use an alcohol based cleaner.
      GTY549952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Spring Seat Sub-assembly with Insulator
      *a Claw
  9. INSTALL FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Install the front shock absorber with coil spring (upper side) with the nut and 2 spacers.

      Torque: 50 N.m (510 kgf.cm, 37 ft./lbf) 

      GTY553706Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install the 2 nuts to the front shock absorber assembly.
      GTY565704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the front shock absorber with coil spring (lower side) to the steering knuckle with the 2 bolts and 2 nuts.

      Torque: 240 N.m (2447 kgf.cm, 177 ft./lbf) 

      NOTE:
      • When installing the nuts, keep the bolts from rotating.
      • Do not apply lubricants to the steering knuckle and shock absorber contact surfaces.

      HINT: 

      The bolts can be installed in either direction, however, make sure that they are both installed in the same direction.

  10. INSTALL FRONT SPEED SENSOR 
    1. Set the 2 hooks of front speed sensor to the front shock absorber assembly.
      GTY604491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Hook
      NOTE:

      Do not twist the front speed sensor when installing it.

    2. Install the front speed sensor and front flexible hose to the front shock absorber assembly with the bolt.

      Torque: 29 N.m (296 kgf.cm, 21 ft./lbf) 

      GTY565529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Engage the clamp.
  11. INSTALL FRONT STABILIZER LINK ASSEMBLY 
    1. Install the front stabilizer link assembly to the front shock absorber assembly with the nut.

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

      HINT: 

      If the ball joint turns together with the nut, use a 6 mm hexagon socket wrench to hold the stud bolt.

  12. FULLY TIGHTEN FRONT SUPPORT TO FRONT SHOCK ABSORBER NUT 
    1. Fully tighten the front support to front shock absorber nut.

      Torque: 47 N.m (479 kgf.cm, 35 ft./lbf) 

      NOTE:

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

    2. Remove the 2 nuts from the front shock absorber assembly.
      GTY565704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL FRONT SUSPENSION SUPPORT DUST COVER 
    1. Install the front suspension support dust cover.
  14. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY 
    1. Install the outer cowl top panel sub-assembly with the 7 bolts and 4 nuts.
      GTY565707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Bolt 

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

      Nut 

      Torque: 50 N.m (510 kgf.cm, 37 ft./lbf) 

    2. Engage the 2 clamps to install the wire harness to the outer cowl top panel sub-assembly.
      GTY565708Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. INSTALL COWL BODY MOUNTING REINFORCEMENT LH 
    1. Install the cowl body mounting reinforcement LH to the outer cowl top panel sub-assembly and vehicle body with the 4 bolts.

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

  16. INSTALL WATER GUARD PLATE LH 
    1. Engage the claw to install the water guard plate LH to the outer cowl top panel sub-assembly.
  17. INSTALL NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 
    1. Engage the 2 claws to install the No. 1 heater air duct splash shield seal to the outer cowl top panel sub-assembly.
  18. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to PROCEDURE - Step 2

  19. INSTALL FRONT WHEEL 

    Refer to PROCEDURE - Step 1

  20. STABILIZE SUSPENSION 
    1. Lower the vehicle.
    2. Bounce the vehicle up and down several times to stabilize the suspension.
  21. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [11/2015 - 12/2018]

  22. PERFORM INITIALIZATION 
    Intelligent clearance sonar system Refer to CALIBRATION [11/2015 - 12/2018]
    Simple advanced parking guidance system