Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIRO
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: AXLE AND DIFFERENTIAL: FRONT AXLE HUB BOLT: REPLACEMENT; 2016 - 2020 MY Sienna [12/2015 -        ]

REPLACEMENT

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

(a) Remove the 2 bolts and separate the front disc brake caliper assembly.

NOTICE:

Use wire or an equivalent tool to keep the front disc brake caliper assembly from hanging down by the flexible hose.

3. REMOVE FRONT DISC

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

4. REMOVE FRONT AXLE HUB BOLT

(a) Position the front axle hub bolt to be removed as shown in the illustration.

(b) Temporarily install the 2 nuts to the front axle hub bolt as shown in the illustration.

Recommended service nut:

Thread diameter: 12.0 mm (0.472 in.)

Thread pitch: 1.5 mm (0.0591 in.)

NOTICE:

Install the nuts to prevent damage to the front axle hub bolts.

(c) Using SST and a brass bar or an equivalent tool to hold the front axle hub, remove the front axle hub bolt.

SST: 09628-10011

Text in Illustration

*1

Nut

*a

Turn

*b

Hold

5. INSTALL FRONT AXLE HUB BOLT

(a) Position a new front axle hub bolt to be installed as shown in the illustration.

(b) Temporarily install the new front axle hub bolt to the front axle hub.

(c) Install a washer and nut to the new front axle hub bolt as shown in the illustration.

Text in Illustration

*1

Washer

*2

Nut

*a

Turn

*b

Hold

Recommended service nut:

Thread diameter: 12.0 mm (0.472 in.)

Thread pitch: 1.5 mm (0.0591 in.)

HINT:

The thickness of the washer is preferably 5 mm (0.197 in.) or more.

(d) Using a brass bar or equivalent, hold the hub and turn the nut until the bottom surface of the hub bolt head touches the axle hub.

NOTICE:

  • Install the nuts to prevent damage to the front axle hub bolts.
  • Do not damage the threads of the front axle hub bolts.

HINT:

Use a feeler gauge to check for gaps between the hub bolt head and hub surface.

(e) Remove the 3 nuts and washer from the 3 front axle hub bolts.

NOTICE:

Do not damage the threads of the hub bolt.

6. INSTALL FRONT DISC

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

7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

(a) Install the front disc brake caliper assembly to the steering knuckle with the 2 bolts.

Torque:

104 N·m {1061 kgf·cm, 77 ft·lbf}

NOTICE:

Do not twist the brake hose when installing the front disc brake caliper assembly.

8. INSTALL FRONT WHEEL

Torque:

103 N·m {1050 kgf·cm, 76 ft·lbf}