Remove/install drive pinion

AR35.30-B-0458G

04.08.2020

Rear axle	746.87/97 in model 368, 382, 634, 685
	with flange Yoke
Rear axle	746.891 in model 693
	with flange Yoke
Rear axle	746.97 in model 695
	with flange Yoke
Rear axle	746.980/982/990/991 in model 384
	with flange Yoke
Rear axle	746.980/982/991 in model 693, 694, 695
	with flange Yoke
Rear axle	746.983/994/995/997 in model 958
	with flange Yoke

Modification notes

24.08.2018	Modified claw wrench for the drive pinion threaded ring on work steps 4, 14, and 16
21.08.2019	Threaded rings of drive pinion bearings	BA35.30-B-1002-06C
21.08.2019	Drive pinion (basic depth and thickness or compensation washers)	BE35.31-B-1005-03C
30.10.2019	Drive pinion (basic depth and thickness or compensation washers)	BE35.31-B-1005-03C

With flange type "Yoke"

1	Flange Yoke
2	Threaded ring
3	Tapered roller bearing
4	Drive pinion
5	Roller bearing
6	Shims
7	Lock
8	Screw

B35.30-0075-04

	Remove
1	Remove the differential with crown gear	.	AR35.30-B-0464B
2	Remove the screw (8) and lock (7) of the threaded ring (2)
3	Remove the flange Yoke (1)		AR35.30-B-4670-01A
		 Retainer wrench	*717589003100
		 Puller	*035589013300
4	Prepare the drive pinion (4) for removal	.	AR35.30-B-0458-04A
		 Torque multiplier	*000589021300
		 Eixo traseiro 746.982 Claw-type wrench	*384589000700
		 Claw wrench	*055589030700
5	Remove the drive pinion housing by tapping on its end with a gentle mandrel
6	Remove the shims (6) from the housing
7	Remove the cylindrical roller bearings from the axle carrier housing (5)	.	AR35.30-B-0440-04A
		 Eixo traseiro 746.87/97/99 Drift	*310589001500
		 Eixo traseiro 746.89/98 Drift	*345589051500
8	Disassemble the drive pinion assembly	Rear axles 746.87/89/98/99	AR35.30-B-0459A
		Rear axle 746.97	AR35.30-B-0459E
	Install
9	Assemble the drive pinion assembly	Rear axles 746.87/89/98/99	AR35.30-B-0459A
		Rear axle 746.97	AR35.30-B-0459E
10	Install the cylindrical roller bearings from the axle carrier housing (5)	.	AR35.30-B-0440-04A
		 Eixo traseiro 746.87/97/99 Drift	*310589001500
		 Eixo traseiro 746.89/98 Drift	*345589051500
11	Install some shims (6) on the drive pinion housing inside the housing
12	Prepare the drive pinion (4) for installation		AR35.30-B-0458-05A
13	Install the drive pinion assembly by tapping slightly until the threaded ring (2) leans against the front housing and screw it manually
	Press on sleeve for tapered roller bearing cone on drive pinion		WF58.50-B-3531-03A
		 Previously introduce the plastic sleeve in the tapper roller bearing outer race (5) to avoid damaging the bearing.
14	Tighten and screw the threaded ring (2)	 Remove the two screws which have been used for installation
		 Apply a sealing agent on the screwed surface of the threaded ring (2).
		 .Threaded rings of pinion bearings	*BA35.30-B-1002-06C
		Terolan 307/II, Dichtin 51, epple 22 sealant	*BR00.45-Z-1018-01A
		 Torque multiplier	*000589021300
		 Claw wrench	*055589030700
		 Eixo traseiro 746.982 Claw-type wrench	*384589000700
15	Check the basic measurement of the drive pinion (4) depth	.	AR35.30-B-0458-01B
		.Pinion (basic depth and thickness or compensation washers)	*BE35.31-B-1005-03C
		 Adjusting device	*385589042100
		 Magnetic block	*361589002100
		 Dial gage	*001589532100
16	Retighten the threaded ring (2)	 Apply a sealing agent on the screwed surface of the threaded ring (2)
		 .Threaded rings of pinion bearings	*BA35.30-B-1002-06C
		Terolan 307/II, Dichtin 51, epple 22 sealant	*BR00.45-Z-1018-01A
		 Torque multiplier	*000589021300
		 Claw wrench	*055589030700
		 Eixo traseiro 746.982 Claw-type wrench	*384589000700
17	Lock the threaded ring (2) with lock (5)
18	Install the differential with the crown gear	.	AR35.30-B-0464B

Differential. ring ear and pinion check values

Number	Designation			746.890, 746.891 Rear axles	746.980/982/983 Rear axle
BE35.31-B-1005-03C	Pinion (basic depth and thickness or compensation washers)	Basic depth	mm	83,50	83,50
		Thickness of the compensating washers	mm	0,10, 0,15, 0,20, 0,50, 1,50	0,10, 0,15, 0,20, 0,25, 0,50, 1,50

Differential. ring ear and pinion check values

Number	Designation			Rear axles 742.80, 745.5, 745.9, 746.5, 746.86, 746.87, 746.880, 746.97	Rear axles 741.91/93/95, 746.991/994, 746.995/997
BE35.31-B-1005-03C	Pinion (basic depth and thickness or compensation washers)	Basic depth	mm	98,00	98,00
		Thickness of the compensating washers	mm	0,10, 0,15, 0,20, 0,25, 0,50	0,10, 0,15, 0,20, 0,25, 0,50

 Pinion

Number	Designation			Rear axle 746.86/87/88/891/97/99	Rear axle 743.0/2/3. 746.98
BA35.30-B-1002-06C	Threaded rings of pinion bearings	M115	Nm	-	-
		M140	Nm	-	950...1050
		M150	Nm	-	-
		M170	Nm	1000...1200	-