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Home >> Mercedes Benz >> 2015 >> SL400 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Exhaust Manifold, Emission Control System - 231 Chassis >> Testing & Repair >> Remove/install air pump - AR14.30-P-7251RKC

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

ENGINE 279 in MODEL 231 

Fig 1: Air Pump Remove/Install Components
G11128490Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
1 Remove right air filter housing ENGINE 279 in MODEL 231
with CODE 460 (Canada version)
with CODE 494 (US version)
AR09.10-P-1150MUC
ENGINE 279 in MODEL 231
without CODE 460 (Canada version)
without CODE 494 (US version)
AR09.10-P-1150RKC
2 Disconnect electrical connection (1) from secondary air pressure sensor (B89)    
3 Disconnect electrical connection (3) from electric air pump (M33)    
4 Remove hose (2) from electric air pump (M33)    
5 Remove screw/bolts (6) TORQUE SPECIFICATION Screw/bolt, air pump to bracket *BA14.30-P-1001-01F 
6 Take out electric air pump (M33) to the front    
7 Install in the reverse order    
AIR PUMP

Number Designation ENGINE 279
BA14.30-P-1001-01F Screw/bolt, air pump to bracket Nm 8