33 21 000 Removing and Installing/Replacing Left or Right Output Shaft (Screwed Version)

33 21 000 Removing and installing/replacing left or right output shaft (screwed version)





Necessary preliminary tasks:
^ Remove rear wheel
^ Remove rear axle final drive





Important!
Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut (1), activate parking brake for this purpose.

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.

Tightening torque 33 41 1AZ.

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

Important!
Secure output shaft against falling out.

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





Replacement only:
^ With BMW Diagnosis and Information System under:
- Control unit functions
Perform functional check of transfer box (calibration)







33 10 160 Replacing left or right temperature sensor





Warning!
Risk of burning!
This work may only be carried out on an exhaust system which has cooled down.





Release screws (1) and remove heat shield (2).

Installation note:
Clean thread to remove all remnants of screw locking adhesive.

Make sure wiring harness (3) is correctly seated on rear differential.

Stick in new screws.

Tightening torque 33 11 4AZ.

Important!
Have new part ready to avoid unnecessary escape of differential oil.





Disconnect plug connection (1) and release temperature sensor (3) on housing (2).

Installation note:
Clean rear differential.

Tightening torque 33 11 6AZ.





After installation:
^ Check oil level, topping up if necessary