Remove/install joint housing · ar3325w0300a · Mercedes-Benz WIS

AR33.25-W-0300A

Remove/install joint housing

10.11.11

FRONT AXLE 731.700

W33.25-1026-06

1 Wheel stop bolt

2 Outer sealing ring retainer

3 Seal

4 Gasket

5 Inner sealing ring retainer

6 Pitman arm (steering side)

7 Upper kingpin (opposite pitman arm side)

8 Upper kingpin (steering side)

9 Intermediate ring

10 Steering knuckle arm

11 Joint housing

12 Thrust ring (opposite pitman arm side)

13 Roller bearing (opposite pitman arm side)

14 Needle roller bearing (drive shaft)

15 Steering knuckle

16 Lower kingpin

17 Thrust ring (pitman arm side)

18 Pressure plate (pitman arm side)

19 Needle roller bearing (drive shaft)

20 Lower needle roller bearing

21 Upper needle bearing

	Removing
1	Remove brake drum		AR42.10-W-1010C
2	Remove front wheel hub		AR33.20-W-0310G
3	Remove brake shoes		AR42.10-W-1020D
4	Remove wedge unit		AR42.10-W-0650B
5	Remove front axle drive shafts		AR33.30-W-0100C
6	Remove tie rod		AR46.40-W-0200A
7	Remove drag link		AR46.40-W-0100A
8	Remove wheel stop bolt (1)
9	Remove outer sealing ring retainer (2)	 Take off gasket (3), seal (4) and inner sealing ring retainer (5)
10	Remove lower kingpin (16)
11.1	Remove thrust ring (12) and roller bearing (13) on lower kingpin (16)	 Steering knuckle bearing bottom right on vehicles with left-hand steering and bottom left on vehicles with right-hand steering
11.2	Remove thrust washer (18) and thrust ring (17) on lower kingpin (16)	 Steering knuckle bearing bottom left on vehicles with left-hand steering and bottom right on vehicles with right-hand steering
12.1	Remove steering arm (6)	 Steering knuckle bearing top left on vehicles with left-hand steering and top right on vehicles with right-hand steering
12.2	Remove upper kingpin (7)	 Steering knuckle bearing top right on vehicles with left-hand steering and top left on vehicles with right-hand steering
13	Remove joint housing (11)
14	Disconnect steering knuckle arm (10) from joint housing (11)
15	Drive upper kingpin (8) out of steering arm (6)	 Steering knuckle bearing top left on vehicles with left-hand steering and top right on vehicles with right-hand steering
16	Drive upper (21) and lower (20) needle bearings out of joint ball
17	Remove/install drive shaft bearing on steering knuckle		AR33.25-W-0300-02A
			*000589303300
			*000589353300
			*387589021500
		Sealant	*BR00.45-Z-1018-01A
		Lubricant	*BR00.45-Z-1001-06A
18	Remove/install drive shaft bearing on support tube		AR33.25-W-0300-03A
			*000589303300
			*000589353300
			*387589021500
		Sealant	*BR00.45-Z-1018-01A
		Lubricant	*BR00.45-Z-1001-06A
	Install
		 All self-locking bolts must be replaced
19	Connect steering knuckle arm (10) onto joint housing (11)		*BA33.25-N-1003-01E
20	Drive upper kingpin (8) into steering arm (6)	 Steering knuckle bearing top left on vehicles with left-hand steering and top right on vehicles with right-hand steering Heat steering arm (6) to approx. 100 °C.
21	Install needle bearings (20 and 21) in joint ball		AR33.25-W-0300-07A
			*BE33.25-N-1001-01E
			*314589041500
22	Attach joint housing (11)
23	Installing kingpin	 Lower kingpin (16)	AR33.25-W-0400-02H
		 Upper kingpin (7) or steering arm (6) with kingpin (8).	AR33.25-W-0400-02J
			*BE33.25-N-1002-01E
		Depth gage
			*BA33.25-N-1002-01E
			*BA33.25-N-1001-01E
24	Install outer sealing ring retainer (2)	  Use new gasket (3) and seal (4).	*BA33.25-N-1006-01E
25	Install wheel stop bolt (1)		*BA33.25-N-1005-01E
26	Install drag link		AR46.40-W-0100A
27	Install tie rod		AR46.40-W-0200A
28	Install front axle drive shafts		AR33.30-W-0100C
29	Install wedge unit		AR42.10-W-0650B
30	Install brake shoes		AR42.10-W-1020D
31	Install front wheel hub		AR33.20-W-0310G
32	Install brake drum		AR42.10-W-1010C
33	Check and adjust steering lock		AR33.25-W-0150A

Test and adjustment values for steering knuckle

Number	Designation		Front axles 731.7, 733.0


BE33.25-N-1001-01E	Distance from upper needle bearing to top side of steering knuckle	mm	2.5
BE33.25-N-1002-01E	Preload of kingpin	mm	0.05...0.15

 Axle housing, steering knuckle

Number	Designation				Front axle 731.700


BA33.25-N-1001-01E	Bolt, steering arm to joint housing	M141.5		Nm	280
		M161.5		Nm	-
BA33.25-N-1002-01E	Bolt, lower / upper kingpin to joint housing	M121.5	10.9	Nm	100
		M141.5	10.9	Nm	210
		M161.5	10.9	Nm	300
BA33.25-N-1003-01E	Bolt, steering knuckle arm to joint housing	M121.5	10.9	Nm	100
			12.9	Nm	170
BA33.25-N-1005-01E	Nut, wheel stop bolt to joint housing	M10		Nm	40
		M121.5		Nm	95
BA33.25-N-1006-01E	Bolt, sealing ring retainer to joint housing	M10	10.9	Nm	50
		M12	10.9	Nm	95

387 589 02 15 00

Internal puller

Drift

Counter stay

314 589 04 15 00

000 589 30 33 00

000 589 35 33 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1018-01A	Terolan 307/II, Dichtin 51, epple 22 sealant	-
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51 11

Referenced documents

ar3320w0310g Remove/install front wheel hub
ar3325w0150a Check/adjust steering stop
ar3325w030002a Remove/install drive shaft bearing on steering knuckle
ar3325w030003a Remove/install drive shaft bearing on support tube
ar3325w030007a Installing needle bearing in support tube
ar3325w040002h Installing kingpin
ar3325w040002j Installing kingpin
ar3330w0100c Remove/install front axle drive shaft
ar4210w0650b Remove/install wedge unit
ar4210w1010c Remove/install brake drum
ar4210w1020d Remove/install brake shoes
ar4640w0100a Remove/install drag link
ar4640w0200a Remove/install track rod