33 21 002 Removing and Installing/Replacing Right Output Shaft

33 21 002 Removing and installing/replacing right output shaft







IMPORTANT:
E84 only:
It is essential to supplement/replace the O-ring (1) on the output shaft.







Remove rear wheel.

IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.

Undo collar nut (1), applying parking brake to do so.
Tightening torque 33 41 1AZ.

Installation note:
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.
Secure collar nut by positive peening on flat areas of output shaft.







Remove trailing link if necessary







Release bolts and remove with shims (1).
Tightening torque 33 21 1AZ.
Force output shaft off drive flange with a suitable tool. Lift wheel carrier approx. 20 mm with workshop jack if necessary.

Installation note:
Before installing output shaft, make sure that drive flange is fully engaged in rear axle final drive.
Replace bolts and shims (1).







Press output shaft out of drive flange and remove towards centre of vehicle.







After installation:
- Check output shaft for correct seating on rear axle final drive.

Applies only to all-wheel drive vehicles:

Replacement only:
- With BMW diagnosis and information system under:
- Control unit functions
Perform transfer box function check (calibration).