Replacing Shaft Seal For Rear Differential Drive Flange (168K to 230K)

33 11 021 Replacing shaft seal for rear differential drive flange (168K to 230K)

Special tools required:
^ 00 5 010
^ 00 5 500
^ 23 0 020
^ 23 1 300
^ 23 1 302
^ 31 2 101
^ 31 2 102
^ 31 2 103
^ 31 2 104
^ 33 1 150
^ 33 1 341
^ 33 3 390
^ 33 3 440
^ 33 3 470
^ 33 3 480
^ 33 3 490

Important:
Use only approved final drive fluids.
Failure to comply with this instruction will result in serious damage to the final drive.

Necessary preliminary tasks:
^ Remove propeller shaft from rear differential drive flange, remove propeller shaft if necessary
After installation:
^ Changing rear differential oil





Removing drive flange:
Lift out retaining plate.
Mark position of collar nut (1) on drive shaft with peening tool.





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





210K, 215K, 230K: Remove drive flange with special tools 31 2 101731 2 1027 31 2 103731 2 104.





168K, 188K: Remove drive flange with special tool 33 1 150.





Replacing shaft seal: Withdraw shaft seal with special tool 00 5 010.

Drive in new shaft seal as far as it will go.
^ 168K: use special tools 00 5 500 and 33 3 390.
^ 188K: use special tools 00 5 500 and 33 3 470.
^ 210K, 215K, 230K: use special tools 00 5 500 and 33 3 440.





Installing drive flange:
Coat sealing lips of shaft seal and sealing surface of drive flange with differential oil.
Fit drive flange.
Press on drive flange with special tools 23 1 300733 1 3417 and if necessary 23 1302 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 lockplate.
^ 168K, 188K: use special tools 00 5 500 and 33 3 480.
^ 210K, 215K, 230K: use special tools 00 5 500 and 33 3 490.