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Table of Contents Introduction . 2 Engine Mechanical 6 Oil Supply . . 11 Air Supply . . 12 Cooling System . . 32 Exhaust Emission Treatment . . 38 Fuel System . 42 Engine Management . . 44 Service . 48 Glossary 49 Summary . . 50 The Self Study Program teaches the design and function of new vehicle models, Reference Note automotive components and technologies. The Self Study Program is not a Repair Manual The values given are only intended as a guideline. Refer to the software version valid at the time of publication of the SSP. For maintenance and repair work, always refer to the current technical literature. i 191651 Audi 3.0L Supercharged.indd Sec1 i191651 Audi 3.0L Supercharged.indd Sec1 i 2/16/2009 11 12 30 A2/16/2009 11 12 30 AMM Notes ii 191651 Audi 3.0L Supercharged.indd Sec1 ii191651 Audi 3.0L Supercharged.indd Sec1 ii 2/16/2009 11 12 31 A2/16/2009 11 12 31 AMM For the fi rst time, Audi has brought to market a mechanically supercharged powerplant the 3.0l V6 TFSI. This Roots blower supercharged engine is based on the 3.2l V6 naturally aspirated engine from the current Audi V engine family. By embracing new technology, in combination with the FSI combustion process, Audi has developed an engine concept that has impressive compact design, acoustics, responsiveness and fuel effi ciency. The engine has a broad range of characteristics from comfort oriented to ultra sporty. The sporty version of the engine specifi cally targets US clientele. The car’s so called take off behavior plays a key role to achieve the greatest possible acceleration between traffi c lights in urban traffi c. With its enormous power the 3.0l V6 TFSI engine is also well suited to comfort oriented driving. A wide range of uses have been envisioned for it within the Audi product portfolio. In Europe, China and the USA, it will be available beginning in the Fall of 2008 in the Audi A6. Historically, mechanical superchargi