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Rear Wheel Bearing

  1. Jack-up the rear side of vehicle.
  2. While holding the rear wheel by hand, swing it in and out to check bearing free play.
  3. Loosen the wheel nuts, and remove the rear wheel.
  4. If the bearing free play exists in step  2 above, attach a dial gauge to the hub and measure axial play in axial direction.

    Service limit: 

    Straight-ahead position within 0.05 mm (0.0020 in) 

  5. Remove the DOJ of rear drive shaft from rear differential. Refer to REAR DRIVE SHAFT DS-56, Rear Drive Shaft.
  6. While supporting rear drive shaft horizontally with one hand, turn the hub with the other hand to check for noise or binding.

    If the hub is noisy or binds, replace the rear axle.

    Fig 1: Identifying Rear Wheel Bearing Stud Bolt
    G04997302Courtesy of SUBARU OF AMERICA, INC.