33 11 021 Replacing Shaft Seal For Drive Flange on Rear Differential (Inserted Propeller Shaft)

33 11 021 Replacing shaft seal for drive flange on rear differential (inserted propeller shaft)

Special tools required:





Important!
Use only approved transmission oils.
Failure to comply with this instruction will result in serious damage to the rear axle final drive!





Necessary preliminary tasks:

^ Remove propeller shaft





Remove retaining clip (1) and insert nut (2) with diaphragm seal.





Mark position of flange nut (1) to bevel pinion (2).





Release flange nut with special tools 33 5 050 and 33 5 070 by gripping bevel pinion with special tools 33 5 060 and 33 5 070.





Pull out radial shaft seal with special tool 00 5 010.





Coat sealing lips of new radial shaft seal and sealing surface of bevel pinion with final drive oil.

Drive in radial shaft seal with special tool 33 0 120.





Clean bevel pinion thoroughly to remove remnants of screw locking agent.





Check dust plate for damage, replace if necessary.

Important!
Clean flange nut thoroughly to remove remnants of grease and screw locking agent.
Pack collar insert (1) of flange nut with grease.
Apply a thin coating of grease to shaded area (2) of flange nut.
Coat at least four thread turns of flange nut with "DREI BOND adhesive type 1385".





Important!
In order to avoid damaging the rear axle final drive, do not under any circumstances tighten down the flange nut (1) beyond the marker point of the bevel pinion (2).





Place insert nut (2) with diaphragm seal in flange nut.

Install retaining clip (1).





After installation:
^ Correct rear differential fluid level