33 11 021 Replacing Radial Shaft Seal For Drive Flange on Rear Differential

33 11 021 Replacing Radial Shaft Seal For Drive Flange On Rear Axle Final Drive

Special tools required:







IMPORTANT:
Use only approved gearbox oils.
Failure to comply with this instruction will result in serious damage to the rear axle final drive.







Necessary preliminary tasks:
- Remove and tie back propeller shaft on rear axle final drive.







Removing drive flange:
Lever out flange retainer.
Mark position of collar nut (1) on drive shaft with centre punch.







Brace drive flange with special tool 23 0 020 and release collar nut.







NOTE: Read and comply with document "Rear axle final drive: Assignment to model series".

215L/215LW/215 with lock:
Pull off drive flange with special tools 31 2 101, 31 2 102, 31 2 103/ 31 2 104.







168L/ 188L/ 188LW:
Pull off drive flange with special tool 33 1 150.







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







Drive in new radial shaft seal with the following special tools (depending on rear axle final drive ) until limit position.
- 168L: Use special tools 00 5 500 and 33 3 390
- 188L/ 188LW: Use special tools 00 5 500 and 33 3 470
- 215L/215LW/215 with lock:
Use special tools 00 5 500 and 33 3 440







IMPORTANT:
Clean end face (1) of drive flange and apply thin layer of grease.

NOTE: Non-compliance with the instructions will result in noise from the rear axle final drive.







Installing drive flange:
Coat sealing lips of shaft seal and sealing surface of drive flange with final drive oil.
Fit drive flange.
Press on drive flange with special tools 23 1 300. 33 1 341 and 23 1 303, and if necessary 23 1 302, until collar nut can be screwed on.







IMPORTANT: Do not under any circumstances tighten down collar nut beyond marker points in order to avoid damaging the clamping sleeve.

Tighten down collar nut (1) to point where marker points are aligned.







Drive in new flange retainer with the following special tools (depending on rear axle final drive).
- 168L/188L/188LW: Use special tools 00 5 500 and 33 3 480
- 215L/215LW/215 with lock: Use special tools 00 5 500 and 33 3 490







After installation:
- Correct oil level of rear axle final drive.