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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Axle And Differential - Service Information (1 Of 2) >> REAR AXLE HUB (for AWD) >> On-Vehicle Inspection [12/2019 - 10/2022] >> Procedure

On-Vehicle Inspection [12/2019 - 10/2022]: Procedure

  1. DISABLE BRAKE CONTROL (for HV Model) 

    Refer to PROCEDURE - Step 4

  2. REMOVE REAR WHEEL 

    Refer to PROCEDURE - Step 1

  3. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY 

    Refer to PROCEDURE - Step 4

  4. SEPARATE REAR DISC BRAKE CYLINDER ASSEMBLY 

    See step  4

  5. REMOVE REAR DISC BRAKE CYLINDER MOUNTING WITH BRAKE PAD 

    See step  5

  6. REMOVE REAR DISC 

    Refer to PROCEDURE - Step 16

  7. INSPECT REAR AXLE HUB BEARING LOOSENESS 
    1. Using a dial indicator, check for looseness near the center of the rear axle hub.

      Maximum Looseness

      0.05 mm (0.00196 in.)

      NOTE:
      • Ensure that the dial indicator is set perpendicular to the measurement surface.
      • Keep the magnet of the dial indicator away from the rear skid control sensor.
      GTY911623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      If the looseness exceeds the maximum, replace the rear axle hub and bearing assembly.

  8. INSPECT REAR AXLE HUB RUNOUT 
    1. Using a dial indicator, check for runout on the surface of the rear axle hub outside the rear axle hub bolts.

      Maximum Runout

      0.08 mm (0.00314 in.)

      NOTE:
      • Ensure that the dial indicator is set perpendicular to the measurement surface.
      • Make sure to install the tip of the dial indicator towards the outside of the rear axle hub bolts.
      • Keep the magnet of the dial indicator away from the rear skid control sensor.
      GTY911624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      If the runout exceeds the maximum, replace the rear axle hub and bearing assembly.

  9. INSTALL REAR DISC 

    Refer to PROCEDURE - Step 1

  10. INSTALL REAR DISC BRAKE CYLINDER MOUNTING WITH BRAKE PAD 

    See step  10

  11. INSTALL REAR DISC BRAKE CYLINDER ASSEMBLY 

    See step  11

  12. CONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  13. INSTALL REAR WHEEL 

    Refer to PROCEDURE - Step 1

  14. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (for HV Model) 
    1. Connect the reservoir level switch connector.
    2. Install the brake master cylinder reservoir assembly to the reservoir bracket with the bolt and nut.

      Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

    3. Engage the clamp to install the wire harness to the brake master cylinder reservoir assembly.
    4. Connect the cable to the negative (-) auxiliary battery terminal.

      Refer to PROCEDURE - Step 2

    5. Turn the ignition switch to ON (READY).
    6. Depress the brake pedal and release it.
    7. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2019 - ]

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