Setting play between thrust element and steering rack · ar4620p0601lf · Mercedes-Benz WIS

AR46.20-P-0601LF

Setting play between thrust element and steering rack

02.05.2019

Model	217, 222
	with code M005 (4MATIC)

Setting play between thrust element and steering rack

P46.20-2492-08

1	Adjustment screw	4	Bellows
2	Steering gear housing	5	Rubber plug
3	Cap

	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Preliminary operations
1	Remove rack-and-pinion steering.		AR46.20-P-0600LF
2	Attach rack-and-pinion steering to mount of steering gear housing.	 Only the specified tools may be used.
		 Steering gear housing support	*221589013100
3	Check rack-and-pinion steering for previous adjustment procedure.	 Only one adjustment procedure for the rack-and-pinion steering is permissible. If color coding (arrow A) is already present on the adjustment screw (1) for the steering gear housing (2), it can be assumed that the adjustment procedure was already conducted.
		If color coding (arrow A) is already present:
		
		Replace rack-and-pinion steering.
4	Remove loose soiling from steering gear housing (2) without using cleaning agent.	 Make sure that the workplace is clean when carrying out the work described below and while performing repairs. Only the specified tools may be used.
5	Move rack-and-pinion steering to center position.	 The notch (arrow B) on the cover (3) must line up exactly with the marking (arrow C) on the steering gear housing (2).
		 Socket wrench	*203589043103
6	Unfasten boot (4) and slide in direction of tie rod end.		AR46.40-P-9998LF
7	Carefully pull rubber plug (5) out of adjustment screw (1).	 The rubber plug (5) must be replaced.
	Input measurement
8	Determine play between thrust piece and steering rack.		AR46.20-P-0601-03LWE
		 The specified test torque of the toothed rack must not be exceeded. Otherwise it is not possible to check the play correctly.
		 Toothed rack	*BA46.20-P-1007-01P
		Play between thrust piece and steering rack	*BE46.20-P-1001-01F
		 Open end wrench	*201589000100
		 Dial gage	*001589532100
		 Bracket	*212589013100
		If play is less than 0.4 mm,
		
		Adjust play between thrust piece and steering rack.
		If the play is  0.4 mm.
		
		Replace rack-and-pinion steering.
	Adjust
9	Adjust play between toothed rack and thrust piece by screwing in adjustment screw (1).		AR46.20-P-0601-04LWE
		 Always make sure that the play between the thrust piece and the toothed rack is only adjusted by turning the adjustment screw (1) in the screw-in direction. Otherwise the thread of the adjustment screw (1) and the rack-and-pinion steering will be damaged.
		Play between thrust piece and steering rack	*BE46.20-P-1001-01F
		 Detaching tool	*205589000700
	Final measurement
10	Check play between thrust piece and toothed rack.		AR46.20-P-0601-03LWE
		 Toothed rack	*BA46.20-P-1007-01P
		Play between thrust piece and steering rack	*BE46.20-P-1001-01F
		 Open end wrench	*201589000100
		 Dial gage	*001589532100
		 Bracket	*212589013100
		If play is greater than the specified tolerance range:
		
		Adjust play between thrust piece and steering rack again.
		If play is less than the specified tolerance range:
		
		Replace rack-and-pinion steering.
	Check
11	Turn toothed rack from end stop to end stop using socket wrench on rack-and-pinion steering.	 The toothed rack must move easily and smoothly.
		 Socket wrench	*203589043103
		In the event of a problem,
		
		Replace rack-and-pinion steering.
		If there is no problem:
		
		Carry out rework.
	Reworking
12	Caulk adjustment screw (1) at 3 points (arrows D) (120 degrees apart) using a center punch and also mark position relative to steering gear housing (2) with a colored mark (arrow A).
13	Carefully press new rubber plug (5) into adjustment screw (1).
14	Install boot (4).		AR46.40-P-9998LF
15	Detach rack-and-pinion steering from mount of steering gear housing.
16	Install rack-and-pinion steering.		AR46.20-P-0600LF

Test values for steering gear

Number	Designation		Model 166, 218, 253, 292, 293 Model 205, 213, 217, 222, 238 with code M005 (4MATIC)
BE46.20-P-1001-01F	Play between thrust piece and steering rack	mm	0,02...0,03