Subaru BRZ 2013 · Service Manual Drive train

Front axle hub

Components Inspection Removal / installation

AXLE / DIFFERENTIAL
FRONT AXLE HUB
EXPLODED VIEW
REMOVAL
NOTE:
·The following procedure is for LH side.
·Perform the same procedures for the RH and LH side.
1. Removal of front tire
2. Removal of front disc brake caliper ASSY LH (Refer to )
3. Removal of front disc (Refer to )
4. Disconnection of speed sensor FR LH
(1) Remove the bolt, and disconnect the speed sensor FR LH from the steering knuckle.
CAUTION:
·Keep the tip and mounting portion of the speed sensor FR LH free from foreign matter.
·The speed sensor FR LH is easily damaged. When removing the speed sensor FR LH from the front axle hub & bearing ASSY LH, do not apply excessive force or turn the sensor.
5. Removal of front axle hub & bearing ASSY LH
(1) Remove 4 bolts, and remove the front axle hub & bearing ASSY from the steering knuckle.
INSTALLATION
NOTE:
·The following procedure is for LH side.
·Perform the same procedures for the RH and LH side.
1. Installation of front axle hub & bearing ASSY LH
(1) Install the front axle hub & bearing ASSY to the steering knuckle with 4 bolts.

Standard value:
Tightening torque=65N·m { 663kgf·cm} {47.9ft·lbf}
2. Inspection of front axle hub & bearing ASSY axial play (Refer to )
3. Inspection of front axle hub & bearing ASSY runout (Refer to )
4. Installation of speed sensor FR LH
(1) Install the speed sensor FR LH to the steering knuckle with a bolt.

Standard value:
Tightening torque=7.5N·m { 77kgf·cm} {5.5ft·lbf}
CAUTION:
·Do not damage the tip of the speed sensor when installing the speed sensor body.
·Do not allow foreign matter to attach to the mounting surfaces.
·Be careful not to twist the speed sensor wire during installation.
5. Installation of front disc (Refer to )
6. Installation of front disc brake caliper ASSY LH (Refer to )
7. Installation of front tire

Standard value:
Tightening torque=120N·m { 1224kgf·cm} {88.5ft·lbf}
8. Inspection of test mode (speed sensor check) (Refer to )
ON-VEHICLE INSPECTION
NOTE:
·The following procedure is for LH side.
·Perform the same procedures for the RH and LH side.
1. Removal of front tire
2. Removal of front disc brake caliper ASSY LH (Refer to )
3. Removal of front disc (Refer to )
4. Inspection of front axle hub & bearing ASSY axial play
(1) Inspect axial play of the bearing near the axle hub inner periphery (flange portion) using a dial gauge.
Limit :  0.05mm {0.00196in}
CAUTION:
If it exceeds the limit, replace the front axle hub with a new part.
5. Inspection of front axle hub & bearing ASSY runout
(1) Inspect runout of the axle hub near the axle hub outer periphery using a dial gauge.
Limit :  0.05mm {0.00196in}
CAUTION:
If it exceeds the limit, replace the front axle hub with a new part.
6. Installation of front disc (Refer to )
7. Installation of front disc brake caliper ASSY LH (Refer to )
8. Installation of front tire

Standard value:
Tightening torque=120N·m { 1224kgf·cm} {88.5ft·lbf}