A4 Sedan V6-2.8L (AFC) (1996)
Fuel Level Sensor: Service and Repair
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Observe safety measures.
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Pay attention to rules of cleanliness.
WARNING!
Fire hazard. DO NOT smoke or work near heaters or have anything in the area that can ignite fuel!
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Switch ignition on.
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Observe fuel gauge.
CAUTION!
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The fuel tank should not be more than 2/3 full. Empty fuel tank, if necessary, using an approved fuel cart.
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Determine correct radio anti-theft coding before disconnecting the battery.
Removing
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Disconnect battery Ground (GND) strap.
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Remove cover for fuel pump module flange (under luggage compartment trim).
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Disconnect harness connector for fuel level sensor and fuel pump.
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Detach blue return line and feed line.
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Use special tool 3217 to loosen sealing ring.
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Carefully pull flange out and detach.
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Unclip fuel level sensor and remove.
Installing
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Installation is in reverse order of removal.
Front-wheel-drive vehicles:
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Fuel level sensor wiring must be routed between return line and fuel tank housing.
All-wheel-drive vehicles:
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Fuel level sensor wiring must be routed between line of fuel transfer pump and fuel tank housing.
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When installing, make sure that arrows are aligned.
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Note different alignment arrows for FRONT-wheel-drive and QUATTRO