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Home >> Mercedes Benz >> 2008 >> C350 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust, Emission Control - C350 (204.056) >> Testing & Repair >> Remove/install air pump - AR14.30-P-7251CV

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

ENGINE 272 (except 272.982) in MODEL 204 

ENGINE 272, 273 (except 272.984) in MODEL 207 

Fig 1: Identifying Air Pump Remove/Install Components
G07539524Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Pull out front engine cover (1) from mounts    
2 Remove bolts (4) and bracket (2) TORQUE SPECIFICATION *BA14.30-P-1001-01D 
3 Remove air intake hose (5) to electric air pump (M33)    
4 Disconnect electrical connector (6) on electric air pump (M33)    
5 Detach bracket (3) from the cylinder head and from timing case cover by removing bolts (7) TORQUE SPECIFICATION *BA14.30-P-1002-01D 
6 Detach air hoses (8, 9) from electric air pump (M33)    
7 Remove electrical air pump (M33) with bracket (3)    
8 Detach electric air pump (M33) from bracket (3) When replacing electric air pump (M33)
TORQUE SPECIFICATION
*BA14.30-P-1003-01D 
9 Install in the reverse order    
AIR PUMP

Number Designation   Engine 272, 273
BA14.30-P-1001-01D Bracket bolt, front engine cover to electric air pump bracket 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