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Home >> Mercedes Benz >> 2012 >> S600 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust Manifolds, Emission Control - 221 Chassis >> Testing & Repair >> Remove, install air pump >> Remove, install air pump - AR14.30-P-7251SX

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

ENGINE 272, 273 in MODEL 221 

ENGINE 273 in MODEL 216 

Shown on Model 221.071 with Active 

Body Control (ABC) Code 487 

Fig 1: Identifying Air Pump Remove/Install Components - Shown On Model 221.071
G10126600Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Turn key in ignition switch to position "0". IMPORTANT Vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until ignition is switched off.
Remove Keyless Go transmitter card or transmitter key from the vehicle and store beyond transmitter range (min. 2 m).
 
2 Remove front engine cover (1) See "Remove/install air filter housing". AR09.10-P-1150SX
3 Remove bracket (2) for front engine cover (1) from front cover on cylinder head and from bracket (3) by removing bolts (4) TORQUE SPECIFICATION *BA14.30-P-1001-01D 
4 Remove air intake hose (5) on electric air pump (M33)    
5 Disconnect electrical connector (6) on electric air pump (M33)    
6 Detach bracket (3) from the cylinder head and from timing case cover by removing bolts (7) TORQUE SPECIFICATION *BA14.30-P-1002-01D 
7 Detach air hoses (8, 9) from electric air pump (M33)    
8 Remove electrical air pump (M33) with bracket (3)    
9 Detach electric air pump (M33) from bracket (3) When replacing the electric air pump (M33)
INSTALLATION IMPORTANT Check rubber bushings at bracket (3).
 
TORQUE SPECIFICATION *BA14.30-P-1003-01D 
10 Install in the reverse order    
11 Read out fault memory    
AIR PUMP

Number Designation Engine 272, 273
BA14.30-P-1001-01D Bracket bolt for front engine cover to bracket of electric air pump or cylinder head Nm 14
BA14.30-P-1002-01D Bolt, bracket for electric air pump to cylinder head or timing case cover Nm 14
BA14.30-P-1003-01D Bolt connecting electric air pump to bracket Nm 8