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 differentialSpecial tools required:
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 and tie back
Removing drive flange:
Lift out retaining plate.
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 differential: 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 following special tools (depending on rear differential) as far as it will go.
- 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
Installing drive flange:
Coat sealing lips of radial 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, 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 retaining plate with following special tools (depending on rear differential) as far as it will go.
- 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 rear differential fluid level