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Home >> Toyota >> 2018 >> Prius Two Eco >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Axle And Differential - Service Information >> Front Axle Hub >> Installation [12/2018 - ] >> Procedure

Installation [12/2018 - ]: Procedure

  1. INSTALL FRONT AXLE HUB SUB-ASSEMBLY 
    1. Secure the steering knuckle between aluminum plates in a vise.
      NOTE:

      Do not overtighten the vise.

    2. Install the front axle hub sub-assembly and front disc brake dust cover to the steering knuckle with the 3 bolts.

      Torque: 130 N*m (1326 kgf*cm, 96 ft.*lbf) 

      NOTE:
      • Be careful not to damage the speed sensor rotor or contact surfaces.
      • Do not allow foreign matter to contact the speed sensor rotor or contact surfaces.
  2. INSTALL FRONT AXLE ASSEMBLY 
    1. Apply 0.1 to 0.3 g (0.00353 to 0.0105 oz) of Toyota Body Grease W to each of the 4 areas shown in the illustration.
      GTY576136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Toyota Body Grease W
    2. Install the front axle assembly to the front shock absorber assembly with the 2 bolts and 2 nuts.

      Torque: 270 N*m (2753 kgf*cm, 199 ft.*lbf) 

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

      HINT: 

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

  3. INSTALL FRONT DRIVE SHAFT ASSEMBLY 
    1. Align the matchmarks on the front drive shaft assembly and front axle hub sub-assembly, and connect the front drive shaft assembly to the front axle assembly.
      GTY549740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
      NOTE:
      • Do not push the front axle assembly towards the outside of the vehicle any further than necessary.
      • Check that there is no foreign matter on the speed sensor rotor or contact surfaces.
      • Do not damage the front drive shaft outboard joint boot.
      • Do not damage the front disc brake dust cover.
      • Do not damage the speed sensor rotor.
  4. CONNECT FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY 
    1. Connect the front lower No. 1 suspension arm sub-assembly to the front lower ball joint assembly with the bolt and 2 nuts.

      Torque: 89 N*m (908 kgf*cm, 66 ft.*lbf) 

  5. CONNECT TIE ROD END SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10

  6. INSTALL FRONT DISC 

    Refer to PROCEDURE - Step 1

  7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY 

    See step  9 [12/2018 - 07/2020] See step  9 [07/2020 - ]

  8. INSTALL FRONT AXLE SHAFT NUT 
    1. Clean the threaded parts on the front drive shaft assembly and a new front axle shaft nut using non-residue solvent.
      NOTE:
      • Be sure to perform this work even when using a new front drive shaft assembly.
      • Keep the threaded parts free of oil and foreign matter.
    2. Using a 30 mm deep socket wrench, while applying the brakes, temporarily install the front axle shaft nut.

      Torque: 216 N*m (2203 kgf*cm, 159 ft.*lbf) 

      NOTE:

      Stake the front axle shaft nut after inspecting for looseness and runout in the following steps.

      HINT: 

      Keep depressing the brake pedal to prevent the front drive shaft from rotating.

  9. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY 

    See step  4 [12/2018 - ] See step  4 [07/2020 - ]

  10. REMOVE FRONT DISC 

    Refer to PROCEDURE - Step 13 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 13 [07/2020 - ]

  11. INSPECT FRONT AXLE HUB BEARING LOOSENESS 

    See step  6 [12/2018 - 07/2020] See step  6 [07/2020 - ]

  12. INSPECT FRONT AXLE HUB RUNOUT 

    See step  7 [12/2018 - 07/2020] See step  7 [07/2020 - ]

  13. INSTALL FRONT DISC 

    Refer to PROCEDURE - Step 1

  14. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY 

    See step  9 [12/2018 - 07/2020] See step  9 [07/2020 - ]

  15. INSTALL FRONT SPEED SENSOR 
    1. Set the 2 hooks of front speed sensor to the front shock absorber assembly.
      GTY569875Courtesy 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.
      GTY603539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:

      Do not twist the front flexible hose when installing it.

    3. Install the front speed sensor to the steering knuckle with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      NOTE:
      • Prevent foreign matter from attaching to the front speed sensor tip.
      • Firmly insert the front speed sensor body into the steering knuckle before tightening the bolt.
      • After installing the front speed sensor to the steering knuckle, make sure that there is no clearance between the front speed sensor stay and steering knuckle. Also make sure that no foreign matter is stuck between the parts.
      • Do not twist the front speed sensor when installing it.
      GTY565668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Engage the clamp.
      NOTE:

      Do not twist the front speed sensor when installing it.

  16. STAKE FRONT AXLE SHAFT NUT 
    1. Using a chisel and hammer, stake the front axle shaft nut.
      GTY565663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSTALL FRONT WHEEL 

    Refer to PROCEDURE - Step 1

  18. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 
    1. Connect the reservoir level switch connector.
    2. Connect the cable to the negative (-) auxiliary battery terminal.

      Refer to PROCEDURE - Step 2

    3. Turn the power switch on (READY).
    4. Depress the brake pedal and release it.
    5. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2018 - ]

  19. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [12/2018 - 07/2020] , or refer to ADJUSTMENT [07/2020 - ]

  20. CHECK FOR SPEED SENSOR SIGNAL 

    Refer to TEST MODE PROCEDURE [12/2018 - 07/2020] , or refer to TEST MODE PROCEDURE [07/2020 - ]