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Home >> Mercedes Benz >> 2001 >> CL500 >> Repair and Diagnosis >> Steering >> Power Steering >> Steering -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Remove/install power steering pump - AR46.30-P-0500 >> Remove/install power steering pump - AR46.30-P-0500M

Remove/install power steering pump - AR46.30-P-0500M

MODEL 215.376 /379, 220.176 /179 with CODE (487) Active Body Control (ABC) 

Fig 1: Identifying Power Steering Pump Remove/Install Components
G04853064

Shown on model 220.176 

Fig 2: Identifying Oil Reservoir, Power Steering Pump, Electrical Connector, Feed Line And Nuts
G04853065
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  caused by 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
DANGER Risk of injury  caused by fingers being jammed or pinched  when removing/ installing or aligning hoods, doors, trunk lid/ rear-end door or sliding roof. When moving components, ensure that no body parts or limbs are within the operating range of moving parts. AS00.00-Z-0011-01A
1 Open engine hood and raise to vertical position   AR88.40-P-1000M
2 Remove engine trim panel Model 215.376, 220.176 AR01.10-P-2405LA
    Model 215.379, 220.179 AR01.10-P-2405IM
3 Remove left air intake hose upstream of air filter    
4 Remove left-hand air filter housing   AR09.10-P-1150LA
5 Remove fan shroud Model 215.376, 220.176 AR20.40-P-6800AC
    Model 215.379, 220.179 AR20.40-P-6800IM
6 Loosen bolts of belt pulley (1) TORQUE SPECIFICATION *BA46.30-P-1007-01C 
7 Remove poly-V belt (16)   AR13.22-P-1202L
8 Remove belt pulley (1)    
9 Suction off hydraulic fluid out of the oil reservoir (2) of the power steering pump (4) IMPORTANT The oil reservoir of the power steering pump and ABC oil reservoir form one unit and cannot be separated.  
    SPECIAL TOOL Hand pump Figure
10 Suction off hydraulic fluid out of ABC oil reservoir (2) SPECIAL TOOL Hand pump Figure
IMPORTANT Notes on active body control suspension Model 215, 220, 230 AH32.50-P-0001-01N
11 Unplug plug (3) of ABC suction restrictor valve (Y86/1)    
12 Disconnect return line (5) of power steering pump (4) from oil reservoir (2) of power steering pump (4) IMPORTANT Seal the connections.
INSPECT Check condition of hose clamp and return line (5) and replace if necessary.
 
    SPECIAL TOOL Set of plugs Figure
13 Disconnect ABC return line (6) from ABC oil reservoir (2) IMPORTANT Seal the connections.
INSPECT Check condition of hose clamp and return line (6) and replace if necessary.
 
    SPECIAL TOOL Set of plugs Figure
14 Disconnect feed line (7) of power steering to power steering pump (4) IMPORTANT Seal the connections.
INSPECT Check condition of hose clamp and feed line (7) and replace if necessary.
 
    SPECIAL TOOL Set of plugs Figure
15 Disconnect ABC feed line (8) ABC from power steering pump (4) IMPORTANT Seal the connections.
INSPECT Check condition of hose clamp and feed line (8) and replace if necessary.
 
    SPECIAL TOOL Set of plugs Figure
16 Disconnect electrical connector (9) from brake system hydraulic unit    
17 Unscrew nut (10) and remove oil reservoir (2).    
18 Disconnect electrical connector of refrigerant compressor    
19 Detach hydraulic line (11) of power steering from the power steering pump (4) IMPORTANT Seal the connections.
IMPORTANTInstallation:  replace O-rings.
 
    SPECIAL TOOL Set of plugs Figure
    TORQUE SPECIFICATION *BA46.30-P-1003-01C 
20 Unscrew banjo bolt (12) of pressure line for ABC from the power steering pump (4) IMPORTANT Seal the connections.
IMPORTANTInstallation:  Install new O-ring.
 
    SPECIAL TOOL Set of plugs Figure
    TORQUE SPECIFICATION *BA46.30-P-1012-01C 
21 Unscrew nut (13) of power steering pump (4) TORQUE SPECIFICATION *BA46.30-P-1011-01C 
22 Remove screw (14) TORQUE SPECIFICATION *BA46.30-P-1018-01C 
23 Unscrew bolt (15) and remove power steering pump (4) upwards. TORQUE SPECIFICATION *BA46.30-P-1009-01C 
24 Install in the reverse order    
25 Fill and bleed active body control (ABC)   AR32.50-P-0021N
26 Fill and bleed power steering pump (4)   AR46.30-P-0010N 
TORQUE SPECIFICATION POWER STEERING PUMP

Number Designation Model 215.376/379, 220.176/179 with code 487a
BA46.30-P-1003-01C High-pressure expansion hose to power steering pump M14x1 .5 Nm -
M16x1.5 Nm 40
BA46.30-P-1007-01C Bolt, belt pulley to power steering pump Nm 30
BA46.30-P-1009-01C Bolt, power steering pump to timing case cover Nm 20
BA46.30-P-1011-01C Nut, power steering pump to timing case Nm 20
BA46.30-P-1012-01C Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Nm 40
BA46.30-P-1018-01C Bolt, power steering pump to rear of timing case cover Nm 20
Fig 3: Set Of Stop Plugs (129 589 00 91 00)
G04853066
Fig 4: Hand Pump (210 589 00 71 00)
G04853067