BMW X5: Wheel Bearings And STU

REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT SWIVEL BEARING

Necessary preliminary tasks:

• Remove wheel bearing.

IMPORTANT: Secure swivel bearing against falling out.

Replacement only: Remove brake anchor plate/brake guard plate.

Remove stabilizer link from swivel bearing.

Remove upper control arm from swivel bearing.

Remove tension strut from swivel bearing.

Remove tie rod end from swivel bearing.

Remove lower control arm from swivel bearing.

Remove swivel bearing.

Fig. 59: Identifying Swivel Bearing

After installation:

• Replacement only: Perform CHASSIS ALIGNMENT CHECK

REPLACING BEARING (WHEEL BEARING) FOR FRONT WHEEL

IMPORTANT: Bearing cannot be dismantled.

Do not wash out bearing.

Remove front wheel.

IMPORTANT: Expand turning lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut (1), press brake pedal to floor for this purpose.

Installation:

Replace collar nut, oil collar nut/wheel bearing contact surface only and tighten down.

No oil permitted on thread of shaft journal or collar nut.

Tightening torque. Secure collar nut by positive peening on flat areas of output shaft.

Fig. 60: Locating Collar Nut

Remove brake disk.

Release screw (1) and pull pulse generator out of bore.

Installation:

Clean bore for pulse generator and lubricate with Staburags NBU 12/K grease.

Tightening torque.

Release screws (2) and remove holder from swivel bearing.

Fig. 61: Identifying Screws

NOTE: Output shaft has been removed only for the purpose of creating the picture.

Release bolts (1) and remove wheel bearing.

Installation:

Replace screws.

Tightening torque.

Fig. 62: Identifying Wheel Bearing Nuts

IMPORTANT: Do not damage inner race (1) of wheel bearing.

Detach wheel bearing from output shaft.

Installation:

Keep contact surface of swivel bearing and wheel bearing clean and free from oil and grease.

Fig. 63: Identifying Inner Race Of Wheel Bearing

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