Remove/install torque strut at front axle

AR33.15-P-0160FR

16.01.2020

Model	257
	except code M005 (Vehicles with 4MATIC/all-wheel drive)

Remove/install torque strut at front axle

P33.15-2167-09

Shown on left side of vehicle

1	Strut rod	4	Steering knuckle	L6/1	Left front axle rpm sensor
2	Nut	5	Nut	L6/2	Right front axle rpm sensor
3	Tie rod	7	Front axle carrier

Shown on right side of vehicle

6	Bracket
7	Front axle carrier

P33.15-2168-11

Topical note	Notes on handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Topical note	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
 	Remove/install
1	Remove engine compartment lining from center and front.		AR61.20-P-1105FR
2	Remove front wheel.		AR40.10-P-1102A
3	Remove left front axle rpm sensor (L6/1) or right front axle rpm sensor (L6/2) and place to one side with holder and line.	Model 257 (except 257.361) except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR42.30-P-0713FR
4	Unscrew nut (2) and remove tie rod (3) from steering knuckle (4).	 Counterhold the ball head and do not use an impact wrench/driver. Otherwise the ball head or steering knuckle (4) becomes damaged.
		 Self-locking nut, tie rod to steering knuckle	*BA46.40-P-1001-01P
5	Unscrew nut (5) and remove strut rod (1) from steering knuckle (4).
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
		 Counterhold the ball head and do not use an impact wrench/driver. Otherwise the ball head or steering knuckle (4) becomes damaged.
		 Nut, strut rod to steering knuckle	*BA33.20-P-1003-01U
		 Box wrench attachment, 24_mm	*000589109929
6	Loosen holder (6) from front axle carrier (7).	When removing the right strut rod (1).
7	Remove the compressor.	Model 257 with code 489 (AIR BODY CONTROL) except code M005 (Vehicles with 4MATIC/all-wheel drive) When removing the left strut rod (1).
			AR32.22-P-2001FR
8	Detach and remove strut rod (1) from front axle carrier (7).	 Bolt, strut rod to front axle carrier	*BA33.20-P-1004-01U
	Check
9	Check seal bellows and ball head of strut rod (1) for damage.	If damage is found,
		
		Replace strut rod (1).
10.1	Check whether an elastomer bearing for caster correction is installed in the previously installed strut rod (1).	When replacing the strut rod (1).
		 The elastomer bearing for caster correction has an off-center bearing core.
		If an elastomer bearing for caster correction is installed,
		
		Remove elastomer bearing of new strut rod (1) and install a corresponding elastomer bearing for caster correction.
			AR33.15-P-0163-01FR
		 Plate	*202589044307
		 Extraction and insertion tool	*222589034300
		 Extraction and installation tool	*221589004300
10.2	Check elastomer bearing of strut rod (1) for damage.	When reusing the strut rod (1).
	Evaluation of elastomer bearings		AH00.10-P-0001-01A
		 The neutral elastomer bearing has a central bearing core. The elastomer bearing for caster correction has an off-center bearing core.
		If damage is present and a neutral elastomer bearing is installed:
		
		Replace strut rod (1).
		If damage is present and an elastomer bearing for caster correction is installed:
		
		Replace elastomer bearing of strut rod (1).
			AR33.15-P-0163-01FR
		 Plate	*202589044307
		 Extraction and insertion tool	*222589034300
		 Extraction and installation tool	*221589004300
11	Install in the reverse order.