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Home >> Mercedes Benz >> 2019 >> GLS550 >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension - 166 Chassis 2 Of 2 >> Testing & Repair >> Remove/Install Hydraulic Pump Pulsation Damper >> Remove/Install Hydraulic Pump Pulsation Damper - AR32.34-P-0013GQ

Remove/Install Hydraulic Pump Pulsation Damper - AR32.34-P-0013GQ

Model 166, 292 with engine 276 

with code 468 (ACTIVE CURVE SYSTEM) 

Shown on model 166 

Fig 1: Hydraulic Pump Pulsation Damper Components Location - Model 166 With Engine 276 With Code 468
G14135954Courtesy of MERCEDES-BENZ USA
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
DANGER Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
NOTES Notes on active roll stabilization   AH32.34-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove hydraulic pump (2)   AR32.34-P-0030GQ 
2 Unscrew pulsation damper (1) from hydraulic pump (2) INSTALLATION IMPORTANT The sealing ring must be replaced.
TORQUE SPECIFICATION Pulsation damper to hydraulic pump
*BA32.00-P-1005-01A 
3 Install in the reverse order    
4 Fill and bleed ACTIVE CURVE SYSTEM   AR32.34-P-0021GQ 
CLEAN Clean     
5 Clean the area around the pulsation damper (1)    
HYDRAULIC PUMP

Number Designation Model 166 with engine 276 Model 292 with engine 276
BA32.00-P-1005-01A Pulsation damper to hydraulic pump Nm 45 45