Rear Hub Unit Bearing: Inspection

1. Moving the rear tire up and down by hand, check there is no backlash in bearing, and check the wheel rotates smoothly.
   Fig 1: Checking Bearing For Backlash And Smooth Rotation

   Courtesy of SUBARU OF AMERICA, INC.
2. Inspect the lean of axis direction using a dial gauge. Replace the hub bearing if the play exceeds the limit value.

Service limit: 

Maximum: 0.05 mm (0.0020 in) 

Fig 2: Inspecting Lean Of Axis Direction Using Dial Gauge

Courtesy of SUBARU OF AMERICA, INC.