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Home >> Mercedes Benz >> 2018 >> GLS63 AMG >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension - 166 Chassis 1 Of 2 >> Testing & Repair >> Remove/Install Vent Valve On Front Stabilizer Bar Actuator - AR32.20-P-0301GQ

Remove/Install Vent Valve On Front Stabilizer Bar Actuator - AR32.20-P-0301GQ

Model 166 (except 166.074/075/874/875) 

with code 468 (ACTIVE CURVE SYSTEM) 

Model 292 (except 292.364/374/375) 

with code 468 (ACTIVE CURVE SYSTEM) 

Fig 1: Vent Valve On Front Stabilizer Bar Actuator Components Location - Model 166 (Except 166.074/075/874/875) With Code 468
G14135888DANGERDANGERNOTESREMOVINGINSTALLINGNOTESTORQUE SPECIFICATIONSPECIAL TOOLINSPECTCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
NOTES Notes on active roll stabilization   AH32.34-P-0001-01A 
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)    
2 Lift vehicle on vehicle lift   AR00.60-P-1000GZ
3 Remove center underfloor paneling   AR61.30-P-1001GQ
4 Remove air filter (3) from bleed valve (2)    
5 Unscrew bleed valves (2) from stabilizer actuator (1) NOTES In a repair case, both bleed valves (2) must always be replaced.
In order to avoid consequential damage.
TORQUE SPECIFICATION Bleed valve to stabilizer actuator
*BA32.20-P-1004-02Q 
6 Seal openings with stop plugs SPECIAL TOOL Record plug Fig 2
7 Install in the reverse order    
INSPECT Check     
8 Correct fill level Only when fill level is not level with the Max marking. AR32.34-P-0021GQ
  Initial startup     
9 Bleed ACTIVE CURVE SYSTEM   AR32.34-P-0021GQ
FRONT AXLE TORSION BAR

Number Designation Model 166 with code 468 (ACTIVE CURVE SYSTEM) Model 292 with code 468 (ACTIVE CURVE SYSTEM)
BA32.20-P-1004-02Q Bleed valve to stabilizer actuator Nm 16 16
Fig 2: Identifying Record Plug (129 589 00 91 00)
G07473018Courtesy of MERCEDES-BENZ USA