31 21 180 Replacing Bearings (Wheel Hub) For Front Wheel

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Necessary preliminary tasks:

Remove swivel bearing .

IMPORTANT: When clamping swivel bearing unit, make sure it is only clamped at wheel bearing.

Clamp swivel bearing as illustrated.

Fig 1: Locating Clamp Swivel Bearing

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Release screws and remove swivel bearing upwards.

Fig 2: Locating Swivel Bearing Screws

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Keep tapped holes (1) clean and free from grease.

Keep contact surface (2) of wheel bearing and swivel bearing clean and free from grease.

Installation:

If the wheel bearing is not replaced, all the tapped holes (1) in the wheel bearing must be reconditioned.

Replace screws.

Tighten to specified torque. See 31 12 5AZ in FRONT AXLE -- TORQUE SPECIFICATIONS .

Fig 3: Identifying Tapped Holes

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