DRIVE SHAFT SYSTEM > Front Hub Unit Bearing
INSPECTION
1. Moving the front tire up and down by hand, check there is no looseness in bearing, and check the wheel rotates smoothly.
CAUTION:
If there is unsmooth sliding operation or abnormal noise in the bearing, replace the hub unit bearing.

2. Inspect the hub unit bearing for axial looseness.
(1) Remove the tire and disc rotor.
(2) Using a dial gauge, check the axial looseness. Replace the hub unit bearing if looseness exceeds the limit.
Service limit:
Maximum: 0.05 mm (0.0020 in)

Disassembly
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Safety precautions
WARNING
If you are using an implanted pacemaker or defibrillator, maintain a
safe distance of at least 8.7 in (22 cm) from the transmitting antennas installed
in the Subaru Ascent.
The Subaru Ascent keyless access system emits radio waves that may interfere
with the normal operation o ...