LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2013 >> GL550 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - 166 Chassis >> Testing & Repair >> Remove/install hydraulic pump pulsation damper >> Remove/install hydraulic pump pulsation damper - AR32.34-P-0013GQX

Remove/install hydraulic pump pulsation damper - AR32.34-P-0013GQX

MODEL 166 with ENGINE 157, 278 with CODE 468 (ACTIVE CURVE SYSTEM) 

Fig 1: Identifying Hydraulic Pump Pulsation Damper Remove/Install Components
G09982226Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
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
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
1 Open engine hood   AR88.40-P-1000GQ
2 Remove center section of engine cover    
CLEANING Clean     
3 Clean the area around the pulsation damper (1) Assembly cleaner *BR00.45-Z-1028-04A 
4 Unbolt pulsation damper (1) from hydraulic pump (2) INSTALLATION IMPORTANT Replace compression ring (3).  
TORQUE SPECIFICATION Pulsation damper to hydraulic pump *BA32.00-P-1005-01A 
5 Fill and bleed ACTIVE CURVE SYSTEM   AR32.34-P-0021GQ 
6 Install in the reverse order    
HYDRAULIC PUMP

Number Designation MODEL 166 with ENGINE 157 MODEL 166 with ENGINE 278
BA32.00-P-1005-01A Pulsation damper to hydraulic pump Nm 45 45
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner -