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Home >> Mercedes Benz >> 2004 >> S55 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust Manifolds, Emission Control - 215 & 220 Chassis >> Testing & Repair >> Remove/install air pump - AR14.30-P-7251 >> Remove/install air pump - AR14.30-P-7251L

Remove/install air pump - AR14.30-P-7251L

ENGINE 137.970 in MODEL 215.378, 220.178 

ENGINE 275.950 in MODEL 215.376, 220.176 

ENGINE 275.980 in MODEL 215.379, 220.179 

Fig 1: Identifying Air Pump Remove/Install Components
G04840164
REMOVINGINSTALLING Remove/install     
1 Removing and installing washer fluid reservoir of windshield washer system   AR82.35-P-6000M
2 Disconnect electrical connector (arrow) at electric air pump (M33)    
3 Unscrew nuts (5) at electric air pump (M33) IMPORTANTInstallation  : Ground line is fastened to the top bolt.  
    TORQUE SPECIFICATION Engine 137: ↓  
    TORQUE SPECIFICATION Bolt of air pump to bracket *BA14.30-P-1004-01A 
    IMPORTANT Engine 275: ↓  
    TORQUE SPECIFICATION Bolt of air pump to bracket *BA14.30-P-1001-01B 
4 Detach air hose at electric air pump (M33) IMPORTANTInstallation  : Pay attention to correct seating.  
5 Take out electric air pump (M33) to the front    
6 Install in the reverse order    
TORQUE SPECIFICATION AIR PUMP

Number Designation Engine 137
BA14.30-P-1004-01A Bolt of air pump to bracket Nm 7
TORQUE SPECIFICATION AIR PUMP

Number Designation Engines 275.950/951/953/954/980/982
BA14.30-P-1001-01B Bolt of air pump to bracket Nm 8
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