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Home >> Mercedes Benz >> 2005 >> CL500 >> 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-7251RVK

Remove, install air pump - AR14.30-P-7251RVK

ENGINE 113.991 in MODEL 215.374, 220.074 /174 

ENGINE 113.992 in MODEL 230.474 

ENGINE 113.995 in MODEL 230.472 

Fig 1: Identifying Air Pump Remove/Install Components - Shown On Model 230.474
G04840165

Shown on model 230.474 

Fig 2: Identifying Air Pump Remove/Install Components
G04840166
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 at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
1 Remove engine compartment paneling below radiator on outer right IMPORTANT Engine compartment paneling radiator on outside left and right can be pulled out of bumper and radiator engine compartment paneling. Can be removed separately.  
    Model 230 AR61.20-P-1105R
    Model 215, 220 AR61.20-P-1105M
2 Unbolt electric air pump (M33) from bracket (3) together with air pump mount (2) IMPORTANT Unscrew nuts (4) from threaded bolts for this purpose.  
    TORQUE SPECIFICATION *BA14.30-P-1005-01A 
3 Lift out electric air pump (M33)    
4 Detach air injection hose at hose fitting (5) from the electric air pump (M33)    
5 Unplug connector of electrical connection (6) at electric air pump (M33)    
6 Detach electric air pump (M33) from air pump mount (2) IMPORTANTInstallation:  Inspect rubber bearing bushes for damage.  
    IMPORTANT Unscrew torx bolts (7) at the electric air pump (M33) for this purpose.  
    TORQUE SPECIFICATION *BA14.30-P-1004-01A 
7 Install in the reverse order    
TORQUE SPECIFICATION AIR PUMP

Number Designation Engine 113.990/991/992 995
BA14.30-P-1004-01A Bolt connecting air pump to bracket Nm 7.6
BA14.30-P-1005-01A Nut connecting air pump bracket to body Nm 4