Remove/install radial sealing ring of rear axle shaft at rear axle housing

AR35.31-P-0541V

17.1.12

Rear axle differential dia. 187 in MODEL 171.442 /445 /454, 172.447 /448

Rear axle differential dia. 198 in MODEL 171.456 up to 31.5.05

Rear axle differential dia. 200
in model 171.456 as of 1.6.05,
171.458, 172.403 /457

Rear axle differential dia. 200 in MODEL 172.475 except CODE (471) Manual locking differential

Rear axle differential dia. 215 in MODEL 171.473

Rear axle differential dia. 215 in MODEL 172.475 with CODE (471) Manual locking differential

Remove/install radial sealing ring of rear axle shaft at rear axle housing

P35.31-2144-09

Shown on model 171.442

3 Radial sealing ring

4  Drift

1 Oil drain screw

2 Rear axle shaft

Modification notes

17.1.12

Value modified: Filling capacity, Sheet

Model 172.475 with code 471

*BF35.31-P-1001-01T

	Removing
 Danger!	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
		 While working on the rear axle care must be taken to ensure that the surfaces of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts is reduced.
1	Raise vehicle		AR00.60-P-1000V
2	Drain oil from rear axle differential		AR35.31-P-0520-06V
		 Model 171	*BA35.31-P-1003-02C
		 Model 172	*BA35.31-P-1003-02H
		Omnifit 100H cleaning compound	*BR00.45-Z-1061-01A
		Loctite 7063 cleaning spray	*BR00.45-Z-1046-04A
3	Remove left or right rear axle shaft (2)		AR35.30-P-0620V
4	Using a suitable screwdriver, press the radial sealing ring (3) out of the rear axle center assembly	 Do not damage the seat surface of the radial sealing ring (3) in the rear axle differential. The leaktightness and perfect seating of the radial sealing ring (3) can otherwise not be guaranteed.
5.1	Replace rear axle differential breather	Model 171
		 Clean the housing surface around the breather before removal and make sure that no dirt enters the housing opening of the breather. Otherwise damage may occur inside the rear axle differential.
		 Rear axle center assembly Ø 198 mm: Unscrew breather from rear axle center assembly.
		 Rear axle differential dia. 198 mm	*BA35.31-P-1005-02C
		 Rear axle differential Ø 187 mm, 200 mm, 215 mm: the differential must be removed to be replaced: 
		Remove/install differential	AR35.31-P-0520V
5.2	Check rear axle differential breather for signs of leakage, replace if necessary	Model 172
		 Clean the breather before removal and make sure that no dirt enters the breather. Otherwise damage may occur inside the rear axle differential.
	Install
6	Press radial sealing ring (3) using drift (4) into rear axle center assembly.	 Before inserting the new radial sealing ring (3), check the seat surface for damage. Otherwise the leaktightness and perfect seating of the radial sealing ring (3) cannot be guaranteed.
		 Coat sealing lip of new radial seal (3) with universal hypoid gear oil.
		 Rear axle differential Ø 187 mm, Ø 198 mm, Ø 200 mm except for model 172.475	*211589001500
		 Rear axle differential Ø 200 mm for model 172.475	*140589101500
		 Differential Ø 215 mm	*211589051500
	Universal hypoid gear oils (SAE 85 W-90)	Sheet 235.7	BB00.40-P-0235-07A
7	Install rear axle shaft (2).		AR35.30-P-0620V
8	Check oil level in rear axle center assembly, correct if necessary		AR35.31-P-0520-03V
		 Model 171	*BA35.31-P-1002-02C
		 Model 172	*BA35.31-P-1002-02H
		 Model 171	*BF35.31-P-1001-01O
		 Model 172	*BF35.31-P-1001-01T
		Loctite 7063 cleaning spray	*BR00.45-Z-1046-04A
		Omnifit 100H cleaning compound	*BR00.45-Z-1061-01A
9	Check rear axle differential for leaks	 Carry out visual inspection.

 Differential housing

Number	Designation		Model 171 except model 171.473	Model 171.473


BA35.31-P-1002-02C	Oil filler screw, differential	Nm	50	50
BA35.31-P-1003-02C	Oil drain screw for rear axle differential	Nm	50	50
BA35.31-P-1005-02C	Breather, rear axle differential	Nm	25	25

 Differential housing

Number	Designation		Model 172


BA35.31-P-1002-02H	Oil filler screw, differential	Nm	50
BA35.31-P-1003-02H	Oil drain screw, differential	Nm	50

 Differential

Number	Designation				Model 171 except model 171.473


BF35.31-P-1001-01O	Filling capacity	Differential	187 FE, 187 mm dia.	Liters	0.95
			dia. 198 mm	Liters	1.1
			200 FE, 200 mm dia.	Liters	1.1
			215 FE, 215 mm dia.	Liters	-
		Specifications for Operating Fluids		Sheet	BB00.40-P-0235-07A

 Differential

Number	Designation				Model 171.473


BF35.31-P-1001-01O	Filling capacity	Differential	187 FE, 187 mm dia.	Liters	-
			dia. 198 mm	Liters	-
			200 FE, 200 mm dia.	Liters	-
			215 FE, 215 mm dia.	Liters	1.2
		Specifications for Operating Fluids		Sheet	BB00.40-P-0235-61A

 Differential

Number	Designation			Model 172 except model 172.475 with code 471


BF35.31-P-1001-01T	Filling capacity	Differential 187 FE, Ø 187 mm	Liters	0.95
			Sheet	BB00.40-P-0235-07A
		Differential 200 FE, Ø 200 mm	Liters	1.1
			Sheet	BB00.40-P-0235-07A
		Differential 215 FE, Ø 215 mm	Liters	1.2
			Sheet	BB00.40-P-0235-07A

 Differential

Number	Designation			Model 172.475 with code 471


BF35.31-P-1001-01T	Filling capacity	Differential 187 FE, Ø 187 mm	Liters	-
			Sheet	-
		Differential 200 FE, Ø 200 mm	Liters	-
			Sheet	-
		Differential 215 FE, Ø 215 mm	Liters	1.2
			Sheet	BB00.40-P-0235-61A

211 589 00 15 00

Drift

211 589 05 15 00

140 589 10 15 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1061-01A	Sealant, Omnifit 100H (50 g)	A 002 989 23 71
BR00.45-Z-1046-04A	Loctite 7063 cleaning spray (150 ml)	A 001 986 71 71 10

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