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Home >> Mercedes Benz >> 2005 >> S430 Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension - 215 & 220 Chassis >> Testing & Repair >> Remove/install pulsation damper - AR32.50-P-0013 >> Remove/install pulsation damper - AR32.50-P-0013M

Remove/install pulsation damper - AR32.50-P-0013M

MODEL 220.176 except CODE (979) Special protection version 

Fig 1: Identifying Pulsation Damper Remove/Install Components (1 Of 2)
G04849399
Fig 2: Identifying Pulsation Damper Remove/Install Components (2 Of 2)
G04849400
REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates below the lifting platform 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 the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
NOTES The areas surrounding the separation points should be cleaned thoroughly before opening the hydraulic circuits of the power steering and ABC system. Even the smallest particles of dirt introduced into the hydraulic components can lead to damage and malfunctions    
NOTES Notes on fitting hydraulic lines and hoses   AH32.50-P-0001-02A 
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANT Notes on active body control suspension   AH32.50-P-0001-01N 
1 Open engine hood and raise to vertical position   AR88.40-P-1000M
2 Remove engine trim panel (1)   AR01.10-P-2405LA
3 Remove left air filter housing (2) NOTES Seal the turbocharger connection fittings.
Objects remaining in the turbocharger cause engine damage.
AR09.10-P-1150LA
    SPECIAL TOOL Set of protective covers Fig 3
4 Remove expansion reservoir (3, 4) of tandem pump (5)   AR46.25-P-1000MB
5 Raise vehicle with lifting platform    
6 Remove bottom engine compartment paneling IMPORTANTInstallation:  Only install the lower engine compartment paneling after the leak test. AR61.20-P-1105M
7 Detach front engine mounts from front axle carrier TORQUE SPECIFICATION *BA22.10-P-1001-01L 
8 Remove bracket (6) from ABC hydraulic line (7) TORQUE SPECIFICATION *BA32.50-P-1005-02B 
9 Detach pulsation damper (8) from brackets (8a, 8b) TORQUE SPECIFICATION Bolt, pulsation damper clamping pad to bracket *BA32.50-P-1003-02B 
    TORQUE SPECIFICATION Nut, pulsation damper retaining clamp to bracket *BA32.50-P-1004-02B 
10 Unscrew lower bolt of engine oil line (9) from the crankcase TORQUE SPECIFICATION *BA18.30-P-1004-01B 
11 Detach clip (10a) for high pressure line (10) from left front engine support (11) TORQUE SPECIFICATION *BA46.30-P-1024-01C 
12 Lower vehicle    
13 Lift up engine with engine support frame   AR01.10-P-7500-03I
    COMMERCIALLY AVAILABLE TOOLS Engine support frame *WE58.40-Z-1027-11A 
14 Detach high pressure line (10) from the tandem pump (5) IMPORTANTInstallation:  Install new O-ring.  
    TORQUE SPECIFICATION *BA46.30-P-1020-01C 
15 Unscrew bolt (arrow) of the engine oil line (9) from the bracket on the refrigerant compressor TORQUE SPECIFICATION *BA18.30-P-1010-01B 
16 Unscrew upper bolt of engine oil line (9) from crankcase and put down engine oil line (9) to one side IMPORTANTInstallation:  Install new O-ring.  
    TORQUE SPECIFICATION *BA18.30-P-1004-01B 
17 Unscrew banjo bolt (12) for fixing the high pressure expansion hose (13) and pulsation damper (8) from tandem pump (5) IMPORTANTInstallation:  replace O-rings.  
    SPECIAL TOOL Torque wrench Fig 4
    SPECIAL TOOL Plug-in joint adapter Fig 5
    SPECIAL TOOL Tool kit Fig 6
    TORQUE SPECIFICATION *BA46.30-P-1012-01C 
    COMMERCIALLY AVAILABLE TOOLS Square support adapter 9x12 to 14x18 *WH58.30-Z-1005-06A 
18 Raise vehicle and lower out pulsation damper (8) NOTESInstallation:  Leave transport packaging on connection fitting of the new pulsation damper (8) until it is in position in the engine compartment. This prevents dirt from entering the ABC system.  
19 Install in the reverse order    
INSPECT Checking     
20 Check engine oil level, correct if required.   AR54.30-P-1000-02OPM
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
21 At the same time fill and bleed the ABC system and power steering See: ↓  
    Fill and bleed ABC system AR32.50-P-0021N 
    Fill and bleed the power steering AR46.30-P-0010N
INSPECT Checking     
22 Check leaktightness of engine, power steering and ABC system    
TORQUE SPECIFICATION ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Engine 275.950/980 in model 220
BA22.10-P-1001-01L Bolt, front engine mounts to front axle carrier Nm 35
TORQUE SPECIFICATION ACTIVE BODY CONTROL, LINES

Number Designation Model 220
BA32.50-P-1003-02B Bolt, pulsation damper clamping pad to bracket Nm 8
BA32.50-P-1004-02B Nut, pulsation damper retaining clamp to bracket Nm 8
BA32.50-P-1005-02B Bolt, hydraulic line bracket to bracket or front axle carrier Nm 8
TORQUE SPECIFICATION OIL COOLING SYSTEM

Number Designation Engine 275.950/ 951, 285
BA18.30-P-1004-01B Oil line to crankcase Nm 8
BA18.30-P-1010-01B Bolt, oil line to bracket Nm 8
TORQUE SPECIFICATION POWER STEERING PUMP

Number Designation Model 215.376/379, 220.176/179 with code 487a
BA46.30-P-1012-01C Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Nm 40
BA46.30-P-1020-01C Union nut, high-pressure line to power steering pump Nm 40
BA46.30-P-1024-01C Bolt, high pressure line bracket to engine mount Nm 8
Fig 3: Identifying Set Of Protective Covers (001 589 00 91 00)
G04849401
Fig 4: Identifying Torque Wrench (001 589 87 21 00)
G04849402
Fig 5: Identifying Plug-In Joint Adapter (001 589 00 16 00)
G04849403
Fig 6: Identifying Tool Kit (000 589 10 99 00)
G04849404
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1005-06A Square support adapter 9x12 to 14x18
WORKSHOP EQUIPMENT

WE58.40-Z-1027-11A Engine support frame