Remove/install front wheel hub · ar3320d0310d · Mercedes-Benz WIS

AR33.20-D-0310D

Remove/install front wheel hub

14.9.11

MODEL 903.0 /4 /6, 904.0 /4 /6 with CODE (ZG1) Engageable all-wheel drive

MODEL 903.0 /4 /6, 904.0 /4 /6 with CODE (ZG2) Permanent all-wheel drive

MODEL 903.0 /4 /6, 904.0 /4 /6 with CODE (ZG3) Engageable all-wheel drive with gear reduction

D33.20-0055-11

1 Wheel hub

2 Inner slotted nut

3 Circlip

4 Outer slotted nut

5 Grease cap

	Removing
1	Remove wheel.	 Jack up the vehicle at the front axle and secure with stands.	AR40.10-D-1100A
2	Remove brake disc	Model 903	AR42.10-D-0230A
		Model 904	AR42.10-D-0230C
3	Pull off the grease cap (5).	 Removal and installation tool	*116589223300
4	Release and unscrew outer slotted nuts (4)	  Remove circlip (3)	*463589000700
5	Unscrew inner slotted nuts (2)	 Claw wrench	*463589000700
6	Detach wheel hub (1) with tapered roller bearing from upright	Check wheel hub and bearing, if necessary: 
		Disassemble, assemble front wheel hub	AR33.20-D-0320D
	Install
7	Grease tapered roller bearing thoroughly.		*BF33.20-N-1001-01C
8	Position wheel hub (1) with tapered roller bearing on steering knuckle
9	Screw on inner slotted nut (2)	 Grease slotted nut on contact surface to wheel hub.	*BR00.45-Z-1017-06A
		 Claw wrench	*463589000700
10	Install brake disk	Model 903	AR42.10-D-0230A
		Model 904	AR42.10-D-0230C
11	Check and adjust wheel bearing play on front wheel hub	Model 903	AR33.20-D-0300-01E
		Model 904	AR33.20-D-0300-01D
		Wheel bearing play	*BE33.20-N-1001-01C
			*BA33.20-N-1001-01F
			*BA33.20-N-1002-01F
		 Lever	*730589016300
		 Dial indicator	*001589532100
		 Gage stand	*363589022100
		 Claw wrench	*463589000700
		Lubricant	*BR00.45-Z-1017-06A
12	Coat edge of grease cap (5) with sealant	Sealant	*BR00.45-Z-1017-01A
13	Knock in the grease cap (5)	 Removal and installation tool	*116589223300
14	Mount wheel		AR40.10-D-1100A

Test specifications for wheel location, wheel hub

Number	Designation		Models 903.0/4/6 and 904.0/4/6 with code ZG1/ZG2/ZG3


BE33.20-N-1001-01C	Wheel bearing play at front axle	mm	0.01...0.02

 Wheel location, hub

Number	Designation			Model 903.0/4/6 and model 904.0/4/6 with code ZG1/ZG2/ZG3


BA33.20-N-1001-01F	Inner slotted nut for adjusting wheel bearing play	Initial torque	Nm	200
		Turn back	°	160
BA33.20-N-1002-01F	Outer slotted nut for adjusting wheel bearing play		Nm	200

 Wheel hub, cap

Number	Designation			Model 903.0/4/6 and model 904.0/4/6 with code ZG1/ZG2/ZG3


BF33.20-N-1001-01C	Multipurpose grease	Capacity per wheel hub	g	50
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A

363 589 02 21 00

Dial indicator

Dial indicator holder

Removal and installation tool

Lever

116 589 22 33 00

001 589 53 21 00

730 589 01 63 00

Claw-type wrench

463 589 00 07 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1017-01A	SV flame starting system sealant replaced by: A001 989 25 20	A 000 989 54 20
BR00.45-Z-1017-06A	MB multipurpose grease	A 001 989 34 51 11