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Service Fuel supply system, petrol engines CAB CAB CDH CDH CDN CDN CAB CAE Engine ID CALA A B A B B C D B CAU CAE CAK CCB CAD CCU CDZ CFK CFS A A A A A A A A A CGW CGX CHM CMU CPM CAE CPM CNC CJEB C C B A A D B D CTU CUH CRE CRE CTD CNC CJED CUJA CJEE B A C D A E Edition 07.2015 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 00 Technical data 20 Fuel supply system Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. A005A400720 Audi A4 2008 ➤ , Audi A5 Cabriolet 2009 ➤ , Audi A5 Coupé 2008 ➤ Fuel supply system, petrol engines Edition 07.2015 Contents 00 Technical data 1 1 Safety precautions 1 1.1 Safety precautions when working on the fuel system 1 1.2 Safety precautions when using testers and measuring instruments during a road test 3 2 Repair instructions 4 2.1 Rules for cleanliness 4 2.2 Test conditions 4 2.3 Contact corrosion 4 20 Fuel supply system 6 1 Fuel tank 6 1.1 Exploded view fuel tank 6 1.2 Draining fuel tank 11 1.3 Removing and installing fuel tank 16 2 Fuel delivery unit/fuel gauge senders 32 2.1 Exploded view fuel delivery unit/fuel gauge senders 32 2.2 Removing and installing fuel delivery unit/fuel gauge sender 40 2.3 Checking fuel gauge sender G 65 2.4 Removing and installing fuel gauge sender G 76 2.5 Checking fuel gauge sender 2 G169 80 2.6 Removing and installing fuel gauge sender 2 G169 87 3 Plug in connectors 99 3.1 Disconnecting plug in connectors 99 4 Fuel filter 103 4.1 Exploded view fuel filter 103 4.2 Removing and installing fuel filter 105 5 Activated charcoal filter system 107 5.1 Connection diagram activated