Replacing Shaft Seal for Input Flange on Rear Differential

33 11 021 - Replacing shaft seal for input flange on rear differential





Special tools required:
- 00 5 010 00 5 010 Universal Puller
- 00 5 500 00 5 500 Handle for Drifts
- 23 0 020
- 23 1 300
- 23 1 302
- 23 1 303
- 31 2 101 31 2 100 Fixture
- 31 2 102 31 2 100 Fixture
- 31 2 103 31 2 100 Fixture
- 31 2 104 31 2 100 Fixture
- 33 1 150
- 33 1 341
- 33 3 440 33 3 440 Drift
- 33 3 470 33 3 470 Drift
- 33 3 480 33 3 480 Drift
- 33 3 490 33 3 490 Drift





Important!
Use only approved gear oils.

Failure to comply with this instruction will result in serious damage to the rear differential!





Necessary preliminary tasks:
- Remove propeller shaft from rear differential drive flange Removing and Installing Complete Propeller Shaft, remove complete propeller shaft if necessary





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.





Note:
Read and comply with document "Rear differential: Assignment to model series Application and ID".

215K, 230K:

Remove drive flange with special tools 31 2 101 31 2 100 Fixture, 31 2 102 31 2 100 Fixture, 31 2 103 31 2 100 Fixture / 31 2 104 31 2 100 Fixture.





188K/L:

Remove drive flange with special tool 33 1 150.





Replacing shaft seal:

Withdraw shaft seal with special tool 00 5 010 00 5 010 Universal Puller.





Drive in new shaft seal with following special tools (depending on rear differential Application and ID) as far as it will go.

- 188K/L: Use special tools 00 5 500 00 5 500 Handle for Drifts and 33 3 470 33 3 470 Drift
- 215K, 230K: Use special tools 00 5 500 00 5 500 Handle for Drifts and 33 3 440 33 3 440 Drift





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 1 300, 33 1 341 and 23 1 303, 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 retaining plate with following special tools (depending on rear differential Application and ID) as far as it will go.

- 188K/L: Use special tools 00 5 500 00 5 500 Handle for Drifts and 33 3 480 33 3 480 Drift
- 215K, 230K: Use special tools 00 5 500 00 5 500 Handle for Drifts and 33 3 490 33 3 490 Drift





After installation:

- Only for rear differentials 188K to 230K: Change rear differential oil Oil Change in Rear Differential Incl. Used Oil Disposal
- Only for rear differential 188L: Correct rear differential fluid level Checking/Topping Up Oil Level in Rear Differential