Remove/Install Front Axle Active Roll Stabilization Valve Support - AR32.34-P-5030GQA

Model 166 With Code 468 (Active Curve System)

Front axle valve support

Fig 1: Front Axle Active Roll Stabilization Valve Support Components Location - Model 166 With Code 468

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning caused by swallowing hydraulic fluid	Depressurize hydraulic system completely before starting any work on system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on active roll stabilization		AH32.34-P-0001-01A
		When working on the front-end assembly, be careful not to scratch, mark or notch the surfaces of aluminum parts. Otherwise the service life of the of the parts will be reduced.
1	Switch off ignition
2	Remove underfloor paneling concerned	Only install underfloor paneling after a leak test.	AR61.30-P-1001GQ
3	Detach lines (1) from valve support (2)		AR32.00-P-0001-01A
			*BA32.34-P-1008-01A
			Fig 2
		Cleaner from package	*BR00.45-Z-1028-04A
4	Remove bolts (2s) and lower valve support (2)		*BA32.34-P-1002-01A
5	Mark, release and disconnect electrical connectors (3)
6	Remove valve support (2)
7	Detach bracket from valve support (2) and front axle carrier	If necessary
			*BA32.34-P-1001-01A
			*BA32.34-P-1003-01A
	Checking
8	Check all rubber mounts of valve support (2)	Check the rubber mounts for wear and damage and that they are seated correctly; replace if necessary.
9	Install in the reverse order
10	Fill and bleed ACTIVE CURVE SYSTEM		AR32.34-P-0021GQ

ACTIVE ROLL STABILIZATION

Number	Designation		Model 166
BA32.34-P-1001-01A	Bolt, bracket to front axle valve block	Nm	8
BA32.34-P-1002-01A	Bolt, valve support to front axle	Nm	20
BA32.34-P-1003-01A	Bolt, mounting plate to front axle valve support	Nm	20
BA32.34-P-1008-01A	Bolt, oil line to valve block on front axle/rear axle	Nm	20

Fig 2: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Cleaner from package	Adolf Wurth GmbH & Co. KG Reinhold-Wurth-Str. 12-17 74653 Kunzelsau-Gaisbach Germany Tel. +49 7940 15-0 Fax +49 7940 15-1000 www.wuerth.de