A8 Quattro Sedan V8-4.2L (BGK) (2006)
6. Fuel return line
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Connector coupling is located on right side of fuel tank
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To disconnect, press release button on connection piece
7. Locking ring
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Use ring nut spanner 3087 to remove and install
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Tighten to 120 Nm
8. Left connector flange
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Installation position.
9. Seal
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Always replace
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To install, place into opening of fuel tank when dry