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The second generation of the 3.0l V6 TDI engine V6 TDI engines are already something of a tradition at Audi. The State of the art diesel technology, such as the Piezo Inline success story began in 1997 with the introduction of the world s Common Rail System with rail pressures of up to 2000 bar, fi rst four valve 2.5l V6 TDI engine with a distributor injection systematic thermal management, extensive friction reducing pump. In late 2003 it was followed by the fi rst V6 TDI with improvements and the start stop system, ensures that the new common rail injection, a 3.0l engine with a chain driven timing engine achieves low emissions and better fuel economy in combi gear. A power reduced 2.7l version derived from this model was nation with new eight speed automatic gearboxes. rolled out in 2004. Both engines have since undergone multiple stages of evolution and have been successfully introduced in various models, not only at Audi but also within the VW Group. 479 001 Learning objectives of this Self Study Programme are This Self Study Programme describes the design and function of How has the chain drive changed the second generation 3.0l V6 TDI engine. When you have worked What is the task of the thermostat in the oil circuit your way through this Self Study Programme, you will be able to How does the thermal management system work answer the following questions How many swirl fl aps does the intake system have 2 Contents Introduction Brief technical description of the second generation 3.0l V6 TDI engine 4 Specifi cations 6 Cylinder block 7 Engine mechanicals Cranktrain 8 Chain drive and valvegear 9 Cylinder head 10 Oil circuit Overview 11 Oil pump with integral vacuum pump 12 Engine oil cooler with thermostat controlled bypass port 13 Exhaust gas recirculation Overview 14 Active EGR cooler 15 Charging Exhaust turbocharger 16 Charge air cooling 17 Cooling system Overview installation