A4 Sedan L4-1.8L Turbo (AEB) (1997)
Fuel Level Sensor: Service and Repair
Fuel Level Sensor, Removing and Installing
Observe Safety measures See: Service Precautions/Technician Safety Information
Observe Rules of cleanliness See: Service Precautions/Vehicle Damage Warnings
Removing
CAUTION! Obtain the radio Anti-theft code from the customer before disconnecting the Battery Ground strap.
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Disconnect Battery Ground strap with ignition switched OFF.
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Open fuel tank cover briefly and close again.
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If necessary, drain fuel tank using fuel cart See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Tank/Service and Repair
NOTE: The fuel tank must not be filled more than 1/3 maximum.
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Fuel supply unit, removing, installing See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Service and Repair/Fuel Pump,
Removing and Installing
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Carefully pull cover flange out and push to the side with hoses connected.
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Disconnect harness connector for fuel level display on inside of cover flange.
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Pull sensor out of surge housing in fuel tank while simultaneously pressing latching tab -arrow-.
NOTE: For clarity, the surge housing illustration is shown without the tank.
Installing
Installation is performed in the reverse order of the removal procedure, when installing, note the following:
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Install the Fuel level sensor in the guide on the surge housing outer section and press down until it engages.