Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIRT
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: AXLE AND DIFFERENTIAL: FRONT AXLE HUB: ON-VEHICLE INSPECTION; 2016 - 2020 MY Sienna [12/2015 -        ]

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH side and LH side.
  • The procedure listed below is for the LH side.

PROCEDURE

1. REMOVE FRONT WHEEL

2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY

2016 - 2020 MY Sienna [12/2015 -        ]; AXLE AND DIFFERENTIAL: FRONT AXLE HUB BOLT: REPLACEMENT+

3. REMOVE FRONT DISC

2016 - 2020 MY Sienna [12/2015 -        ]; BRAKE (FRONT): FRONT BRAKE: REMOVAL+

4. INSPECT FRONT AXLE HUB BEARING LOOSENESS

(a) Using a dial indicator, check for looseness near the center of the front axle hub.

Maximum looseness:

0.05 mm (0.00196 in.)

NOTICE:

Ensure that the dial gauge is set at right angles to the measurement surface.

If the looseness exceeds the maximum, replace the front axle hub bearing.

5. INSPECT FRONT AXLE HUB RUNOUT

(a) Using a dial indicator, check for runout on the surface of the axle hub outside the hub bolt.

Maximum runout:

0.05 mm (0.00196 in.)

NOTICE:

Ensure that the dial gauge is set at right angles to the measurement surface.

If the runout exceeds the maximum, replace the front axle hub sub-assembly.

6. INSTALL FRONT DISC

2016 - 2020 MY Sienna [12/2015 -        ]; BRAKE (FRONT): FRONT BRAKE: INSTALLATION+

7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

2016 - 2020 MY Sienna [12/2015 -        ]; AXLE AND DIFFERENTIAL: FRONT AXLE HUB BOLT: REPLACEMENT+

8. INSTALL FRONT WHEEL

Torque:

103 N·m {1050 kgf·cm, 76 ft·lbf}