Remove/install the suspension strut - AR32.25-P-1017MB

MODEL 220 with CODE (979) Special protection version with CODE (Z07) Top protection

Fig 1: Identifying Suspension Strut Remove/Install Components

MODIFICATION NOTES

11.12.06

Self-locking nut, upper wishbone follower joint to steering knuckle

	Remove/install
	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on AIRmatic		AH32.22-P-1000-02I
Installation	Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.
1	Reduce pressure in suspension strut (40) with STAR DIAGNOSIS	Installation: Recharge to 5 bar. The wheels must not touch the ground while pressurizing because the air bellows in the suspension strut (40) will be destroyed if pressurized with the suspension compressed.
2	Detach pressure line connection (40a) on suspension strut (40)	Residual pressure in suspension strut up to 3.5 bar. If the residual pressure valve (a) is damaged, replace suspension strut. Seal pressure line with stop plug during repair work. If pressure line connections or pressure lines are damaged: ↓
		Repair AIRmatic pressure line connections.	AR32.22-P-2001-02I
			*BA32.25-P-1002-04C
		Set of plugs	Fig 4
3	Unscrew nuts (40b) on front end	Installation : Fit nuts (40b) and then tighten after inflating the suspension strut (40) in ready to drive vehicle.
			*BA32.25-P-1001-04C
4	Remove front wheel
	Remove/install wheels		AP40.10-P-4050Z
5	Detach damping valve unit connector for left front axle or right front axle (Y51x1/Y52x1)	To remove press in spring (arrow).
6	Remove suspension strut (40) from spring control arm (17).		*BA32.25-P-1006-04C
7	Press follower joint (8) out of steering knuckle (5)		AR33.20-P-0500-01N
		Thrust piece M 10x1.5	Fig 3
		Puller	Fig 2
			*BA33.20-P-1007-01F
8	Remove suspension strut (40)	When installing new or used suspension struts (40), check their condition, see: ↓
		Check minimum installation length of suspension struts and replace suspension struts if necessary.	AR32.25-P-1017-02I
	Dispose of suspension strut.		OS32.25-P-0122-01J
9	Install in the reverse order
10	Check AIRmatic for leaks.		AR32.22-P-8100I

WHEEL LOCATION, HUB

Number	Designation			Model 220 with code Z07
BA33.20-P-1007-01F	Self-locking nut, upper wishbone follower joint to steering knuckle	Stage 1	Nm	20
BA33.20-P-1007-01F		Stage 2	∠°	90

STRUTS

Number	Designation		Model 220 with code Z07
BA32.25-P-1001-04C	Nut, front suspension strut to front end	Nm	20
BA32.25-P-1002-04C	Air suspension pressure line to front suspension strut	Nm	5
BA32.25-P-1006-04C	Front suspension strut to spring control arm	Nm	110

Fig 2: Identifying Puller (202 589 02 33 00)

Fig 3: Identifying Thrust Washer M 10X1.5 (210 589 04 63 00)

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)