Remove/install steering knuckle with wheel hub · ar3320s3505m · Mercedes-Benz WIS

AR33.20-S-3505M

Remove/install steering knuckle with wheel hub

28.9.10

MODEL 638.244 with ENGINE 104.900

MODEL 638.294 with CODE (MR9) Engine M104 V6 (128kW) Euro III

S33.20-2500-06

1 Drive shaft

2 Steering knuckle

3 Cam bolt

4 Mounting screw

5 Bearing

6 Retaining ring

7 Wheel hub

8 Brake disk

9 Nut

10 Bolt of brake caliper bracket

11 Heat shield

12 Screw

13 Screw

14 Wheel hub nut

15 Nut

16 Mounting screw

17 ABS sensor

01 Scissors-type extractor

	Remove/install
1	Loosen wheel hub nut (14)	Before lifting up the vehicle.
			*BA33.20-N-1001-01C
			*BA33.20-N-1001-01I
2	Remove wheel		AR40.10-S-1100A
3	Unscrew ABS-sensor (17) on steering knuckle	 With code BB0 (ABS)	AR42.30-S-0150A
4	Remove brake disk (8)		AR42.10-S-0230A
5	Unscrew nut (15) on tie rod ball head and pull off tie rod ball head from steering knuckle (2)	 Replace self-locking nut (15).
			*BA46.40-N-1003-06A
		Scissors-type puller
6	Unscrew bolt (16) of transverse control arm on steering knuckle (2)	 Install new self-locking nut.
			*BA33.10-N-1003-01A
7	Unscrew cam bolt (3) and bolt (4)	 Do not mix up bolts (3, 4) Replace self-locking nut.
		 Mark cam bolt (3) on suspension strut  Installation: Bolts (3, 4) are tightened after checking the wheel camber.
			*BA32.25-N-1001-04A

8	Guide drive shaft (1) out of steering knuckle (2)
9	Unscrew heat shield (11)		*BA33.25-N-1001-01C
10	Remove steering knuckle (2) from kingpin
11	Clean all components on the outside	 To avoid dirt entry, cover the entrances to the wheel hub (7).
12	Install in the reverse order
	Checking
13	Check camber and caster		AR40.20-S-0322A

 Suspension struts

Number	Designation			Model 638


BA32.25-N-1001-04A	Damper strut onto steering knuckle	Cam bolt	Nm	190
		Collar bolt	Nm	190

 Front axle carrier

Number	Designation		Model 638


BA33.10-N-1003-01A	Bolt with nut, steering knuckle to transverse control arm	Nm	162

 Wheel location, hub

Number	Designation		Model Series 638 with Series 104.900 engine	Model 638 with Engine 111.948/ 950/978/ 980


BA33.20-N-1001-01C	Wheel hub nut to drive shaft	Nm	435	435

 Wheel location, hub

 Axle housing, steering knuckle

Number	Designation		Model 638


BA33.25-N-1001-01C	Bolt, heat shield to steering knuckle	Nm	9

 Steering linkage

Number	Designation		Steering 763.000 in model 638


BA46.40-N-1003-06A	Bolt, track rod end piece to steering knuckle	Nm	50