Final Drive, Removing And Installing - BMW 5251 Service Manual

Final Drive
Final drive, removing and installing
-
Raise rear of car.
WARNING-
Make sure that the car is firmly supported on jack stands de-
signed for the purpose. Place the jaclc stands beneath struc-
tural chassis ~oints. Do not
i lace
iaclc stands under
(
suspension barfs.
Remove exhaust system. See 180 Exhaust System.
Disconnect drive shaft from final drive. See 260 Driveshaft.
Remove drive axle CV joint bolts (arrows) at left and right
sides. Suspend drive axles from body using stiff wire.
4
Support final drive with BMW special tool 33 4 390.
*
Remove front final drive mounting bolt.
Remove rear final drive mounting bolts (2).
Carefully lower final drive unit.
-
To install, use BMW special tool 33 4 390 to lift final drive into
place.
CA UTIOP&
The following sequence must be used when installing the fi-
nal drive to prevent torsion stress on the final drive during in-
Install mounting bolts and finger tighten only.
Remove final drive support.
Tighten both rear mounting bolts.
Tighten front mounting bolt.
NOTE-
Use new self-locking nuts.
-
Check differential oil level. See Differential oil level, check-
ing.
-
Remainder of installation is reverse of removal.