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CHANGED BY EFFECTIVE DATE AFFECTED VIN 37 2411 EXHAUST SYSTEM D27DTP/D27DT (EU4) SM - 2006.08 D27DTP/D27DT (EU4) ENGINE FUEL I N T AKE EXHAUST PRE-HEA TING LUB COOLING SWITCHABLE ECU DIAGNOSIS Fuel Supply Rails For the D27DT engine with CDPF, the fuel rail with larger diameter and the damping orifice is installed. The fuel rail As the amount of fuel supplied is increased, the orifices are installed on the fuel intake side of common rail and on Fuel Supply Pipe (Common Rail -Injector): Increase in I.D and O.D Fuel Supply Pipe (HPP-Common Rail) Common Rail (with Orifice) Damping orifice |