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Home >> Mercedes Benz >> 1994 >> SL500 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension -- 129 Chassis >> Testing & Repair >> Removing and installing rear axle damper valve - AR32.31-P-0680A

Removing and installing rear axle damper valve - AR32.31-P-0680A

MODEL 129 with CODE (216c) Adaptive damping system (ADS II) with electronic level control 

Fig 1: Identifying Rear Axle Damper Valve Components
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Illustration item., etc. Operating notes    
DANGER Risk of injury  to skin or eyes due to hydraulic fluid spraying out under high pressure. Risk of poisoning  due to consuming hydraulic fluid. Before starting work on the hydraulic system, depressurize the system. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
NOTESInstallation  Safety regulations for working on level control/ADS   AH32.00-P-0001-01A
IMPORTANT Empty, fill pressure oil system of rear axle   AR32.31-P-0630A 
P4 Pressure lines Disconnect at the damper valves (Y53, Y54).  
    TORQUE SPECIFICATION *BA32.31-P-1001-07A 
Y51, Y52 Damper valve Detach at bracket, disconnect electrical connector.  
    TORQUE SPECIFICATION *BA32.31-P-1002-07A 
    TORQUE SPECIFICATION *BA32.31-P-1003-07A 
TORQUE SPECIFICATION REAR AXLE LEVEL CONTROL DAMPER VALVE

Number Designation Model 129 with electronic level control / ADS II
BA32.31-P-1001-07A ADS pressure line to damper valve (reference value) M16x1.5 Nm 30
M18x1.5 Nm 44
BA32.31-P-1002-07A Self-locking bolt of left damper valve on bracket M8 Nm 24
BA32.31-P-1003-07A Self-locking nut of right damper valve on bracket M8 Nm 14