Remove/seal/install front axle drive coupling flange · ar3330w0085a · Mercedes-Benz WIS

AR33.30-W-0085A

Remove/seal/install front axle drive coupling flange

12.4.10

FRONT AXLE 730.100 /101 /108 /109 /114 /115
without through-drive

W33.30-0008-11

Shown: front axle model designation 730.109

1 Radial shaft sealing ring

2 Connector flange

3 Collar nut

Modification notes

23.5.07

Work procedure revised.

 	Remove/install
	Notes on evaluating leakages		AH00.00-N-0011-01A
1	Detach propeller shaft at coupling flange (2)	 Support propeller shaft.	AR41.10-W-0050A
2	Release collar nut (3)	 The locking tab must be sheared off completely, as small remains of the locking tab can damage the thread of the shaft when unscrewing the collar nut (3).	AR33.30-W-0085-06A
		 Installation: Secure new collar nut (3).	AR33.30-W-0085-03A
3	Detach collar nut (3)	 Do not use an impact wrench/driver for loosening the collar nut (3) otherwise the bearings of the differential assembly may be damaged.
		 Installation: Replace collar nut (3).
			*BA33.30-N-1002-05A
			*717589003100
			*001589750900
			*000589696300
4	Remove connector flange (2)	 Installation: Check the contact surface of the radial shaft sealing ring (1) at coupling flange (2) for galling and score marks, install new coupling flange if necessary (2).
		Grease coupling flange (2) lightly on the contact surface of the radial sealing ring (1) and install.	*BR00.45-Z-1017-06A
5	Remove radial shaft sealing ring (1)	 Installation: Install new radial shaft sealing ring (1).
		Coat radial shaft sealing ring (1) without outer surface lined with rubber with sealant.	*BR00.45-Z-1015-01A
		 Install radial shaft sealing ring (1) without spacer ring.	*387589071500
		Pack space between dust lip and sealing lip of radial shaft sealing ring (1) with MB multipurpose grease.	*BR00.45-Z-1017-06A
6	Install in the reverse order