S4 Quattro Sedan V8-4.2L (BHF) (2005)
Fuel Pump Control Unit: Service and Repair
Fuel Pump (FP) Control Module J538, Removing And Installing, from 11.04
Removing
Observe safety precautions.
Observe rules for cleanliness.
CAUTION:
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To lower, fuel tank must be empty for weight reasons. Drain fuel tank if necessary.Procedure.
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Observe procedures for disconnecting battery.
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Push cover over battery toward right - arrow 1. and remove it upward - arrow 2.
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With ignition switched off, disconnect Battery Ground (GND) strap - arrow -.
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Open tank flap and clean area around fuel filler tube.
NOTE: Do not remove fuel cap.
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Pry tensioning ring - arrow - out from rubber cup and press rubber cup through toward inside.