S4 V8-4.2L (BHF) (2004)
Fuel Gauge Sender: Service and Repair
Fuel Gauge Sender, Removing and Installing
Sender For Fuel Gauge -G-, Removing And Installing
Special tools and equipment
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Wrench for fuel tank sender unit 3087
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To remove the fuel delivery unit, the fuel tank must not be more than 1/4 full. Empty fuel tank if necessary.
WARNING: Observe safety precautions when disconnecting the battery.
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With ignition switched off disconnect battery ground strap.
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Open fuel filler cap briefly, then close it again.
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Remove rear seat bench.
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Detach cover for flange -arrows- (right side).
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Carefully disengage and remove electrical harness connector -1- (right side of vehicle).
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Disconnect electrical harness connector -2- and set it aside.
WARNING: The fuel system is under pressure. Before opening the system, place a cloth around the connection. Then release pressure by carefully
loosening the connection.