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Home >> Mercedes Benz >> 2011 >> SL550 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - 230 Chassis >> Testing & Repair >> Remove/install pulsation damper - AR32.50-P-0013 >> Remove/install pulsation damper - AR32.50-P-0013RX (SL550, SL55AMG 2007-2008, SL63 AMG, SL600 2007-2009, SL65 2006-2011)

Remove/install pulsation damper - AR32.50-P-0013RX (SL550, SL55AMG 2007-2008, SL63 AMG, SL600 2007-2009, SL65 2006-2011)

MODEL 230.456 /458 with CODE (487) Active Body Control (ABC) 

MODEL 230.470 /471 /472 /477 

MODEL 230.479 as of model year 2006 

Fig 1: Identifying Pulsation Damper Components
G07536634Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
IMPORTANT Notes on Active Body Control suspension   AH32.50-P-0001-01N 
1 Remove tandem pump (1) AR46.30-P-0500RX
2 Clean the area around the pulsation damper (2)    
3 Clamp tandem pump (1) or hydraulic pump in vise by fixing arm (4) so that pulsation damper (2) points toward floor NOTES The pulsation damper (2) should always be detached from the tandem pump (1) or from the hydraulic pump with the threaded opening (3) facing down, otherwise dirt will enter the tandem pump (1) or hydraulic pump. In the event of noncompliance this can lead to the failure of the ABC system.  
4 Unscrew pulsation damper (2) from tandem pump or hydraulic pump IMPORTANTInstallation:  Pay attention to correct seat of the sealing ring.  
    TORQUE SPECIFICATION *BA32.50-P-1030-01A 
REFER TO FORMS Notes on scrapping gas-filled hydraulic components   OS00.00-P-1000-01A
5 Install in the reverse order    
ACTIVE BODY CONTROL SUSPENSION

Number Designation Model 230
BA32.50-P-1030-01A Pulsation damper to tandem pump Nm 45