Remove/install steering knuckle · ar3325l0400a · Mercedes-Benz WIS

AR33.25-L-0400A

Remove/install steering knuckle

8.9.11

FRONT AXLE 730.353 in MODEL 670.398

FRONT AXLE 730.354 in MODEL 670.4

N33.25-0263-06

1 Kingpin bushing

2 Input shaft

3 Drag link

4 Lubricating nipple

5 Screw

6 Pitman arm

7 Castle nut

8 Split pin

9 Steering knuckle bearing bolt

10 Thrust ring

11 Thrust washer

12 Sealing ring

13 Steering knuckle

14 Taper roller thrust bearing

15 Screw

16 Tie rod

17 Screw

18 Knuckle arm

 	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Drain front axle gear oil		AR33.25-L-0300-01A
		 Oil drain screw.	*BA33.30-N-1001-01B
		 Oil filler screw.	*BA33.30-N-1002-01B
			*BF33.30-N-1001-01A
2	Remove front wheel hub		AR33.20-L-0310A
3	Pry off drag link (3) at pitman arm (6)	 Installation: Replace cotter pin (8).	AR46.40-L-0100-01A
			*601589043300
		 Slotted nut.	*BA46.40-N-1001-04A
		 Nut on collar clamp.	*BA46.40-N-1002-04A
4	Pry tie rod (16) off knuckle arm (18)	 Installation: Replace cotter pin (8).	AR46.40-L-0200-01A
			*601589043300
		 Slotted nut.	*BA46.40-N-1002-01A
		 Nut on collar clamp.	*BA46.40-N-1003-01A
5	Disassemble upper and lower steering knuckle bearing bolt (9)	 Installation: Replace bolts (5, 15), thrust ring (10) and seal ring (12). Check axial tapered roller bearing (14) and replace if necessary. Check steering knuckle (13) for condition and replace if necessary.	AR33.25-L-0400-10A
		 Bolt, upper kingpin.	*BA33.25-N-1003-01D
		 Bolt, lower kingpin.	*BA33.25-N-1004-01D
		 Bolt, knuckle arm.	*BA33.25-N-1005-01D
		 Nut, steering stop bolt.	*BA33.25-N-1007-01D
		Install upper steering knuckle bearing bolt (9) only after checking and adjusting the axial play at the steering knuckle .
		Check axial play of steering knuckle and adjust if necessary  Determine the thickness of the pressure plate again.	AR33.25-L-0400-04A
			*BE33.25-N-1006-01B
6	Remove steering knuckle (13)	 Installation: Pack the bearing point in the steering knuckle with the specified grease quantity.
			*BF33.25-N-1001-01A
7	Pull drive shaft (2) out of the front axle tube	 Installation: Do not damage sealing rings. Check drive shaft bearing in axle tube, if necessary. .
		Replace drive shaft bearing in axle tube.	AR33.25-L-0300-03A
			*000589293300
			*000589343300
			*305589011500
			*BR00.45-Z-1034-06A
8	Drive out kingpin bushings (1)	 Replace kingpin bushings (1).	AR33.25-L-0300-04A
			*352589061500
9	Check drive shaft bearing in steering knuckle	 If necessary: 
		Replace drive shaft bearing in steering knuckle	AR33.25-L-0300-02A
			*000589293300
			*000589343300
			*305589011500
			*BR00.45-Z-1034-06A
10	Drive radial shaft sealing rings (12) out of steering knuckle (13)	 Replace radial shaft sealing rings (12).	AR33.25-L-0300-05A
	Checking
11	Check all detachable parts for wear or damage and replace if necessary
12	Install in the reverse order
13	In each case pack kingpin with specified grease quantity at lubricating nipple		*BF33.25-N-1002-01A

Test and adjustment values for steering knuckle

Number	Designation		Front axle 730.353/354


BE33.25-N-1006-01B	Preload of kingpin bearing	mm	0,10,05

 Axle housing, steering knuckle

Number	Designation				Front axle 730.353/354


BA33.25-N-1003-01D	Bolt, upper kingpin to steering knuckle	M16x1.5	10.9	Nm	220
			12.9	Nm	310
BA33.25-N-1004-01D	Bolt, lower kingpin to steering knuckle	M12x1.5		Nm	160
BA33.25-N-1005-01D	Bolt, knuckle arm to steering knuckle	M12x1.5	10.9	Nm	100
			12.9	Nm	160
BA33.25-N-1007-01D	Nut, steering stop bolt to steering knuckle	M16x1.5		Nm	200

 Front axle drive

Number	Designation		Front axle 730.35


BA33.30-N-1001-01B	Oil drain plug	Nm	100
BA33.30-N-1002-01B	Oil filler plug	Nm	100

 Tie rod

Number	Designation			Steering 765.841 in model 670 with front axle 730.353/354


BA46.40-N-1002-01A	Nut, tie rod to knuckle arm		Nm	205
BA46.40-N-1003-01A	Nut, hose clamp to tie rod	–	Nm	–
		M10	Nm	60
		M121.5	Nm	85

 Drag link

Number	Designation			Steering 765.841 in model 670 with front axle 730.353/354


BA46.40-N-1001-04A	Nut, drag link to pitman arm		Nm	205
BA46.40-N-1002-04A	Nut, hose clamp to drag link	–	Nm	–
		M10	Nm	60
		M121.5	Nm	85

 Axle housing, steering knuckle

Number	Designation			Front axle 730.353/354


BF33.25-N-1001-01A	Multipurpose grease	Filling quantity for steering knuckle	g	100
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A
BF33.25-N-1002-01A	Multipurpose grease	Filling quantity for steering knuckle pin	g	20
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A

 Differential gear

Number	Designation			Front axle 730.35


BF33.30-N-1001-01A	Hypoid gear oil	Filling capacity	Liters	2.5
		Specifications for Operating Fluids	Sheet	BB00.40-P-0235-00A
			Sheet	BB00.40-P-0235-06A
			Sheet	BB00.40-P-0235-08A
			Sheet	BB00.40-P-0235-20A