33 11 091 Replacing Drive Flange on Left or Right of Rear Differential

33 11 091 - Replacing drive flange on left or right of rear differential (M3)





Note:
When replacing the drive flange, you must also replace the shaft seal 33 11 151 Replacing Shaft Seal For Drive Flange Left or Right.
L - Drive flange, left
R - Drive flange, right





Necessary preliminary tasks:
- Remove output shaft from rear differential 33 21 000 Removing and Installing/Replacing Left or Right Output Shaft (on 2-Flow Exhaust System) and tie back





Press drive flange (1) with suitable screwdrivers off rear differential.

Installation:
Replaced deformed or damaged dust plates.
Insert drive flange and rotate until spline on flange meshes with teeth on differential bevel gear.
Press drive flange in further until circlip locates with an audible click.

Important!
High installation forces indicate that the spline teeth on the drive flange/differential bevel gear are damaged/deformed!
Check spline teeth, replaced damaged parts.





Replace circlip (1).

Installation:
twist retaining ring until both ends settle into the groove.
Clean shaft seal race on drive flange thoroughly.
Coat drive flange at contact face of shaft seal with approved rear differential oil.





Replacement:
- Replace shaft seal 33 11 151 Replacing Shaft Seal For Drive Flange Left or Right.





After installation:
- Check rear differential oil level 00 11 ... Checking/Topping Up Oil Level In Rear Differential, correct if necessary