Drain fuel tank and clean fuel filler neck and surrounding area.
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Unbolt filler neck from body -arrows-.
WARNING
Fuel supply line is pressurised. Wear eye protection and gloves to avoid injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.
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Detach connector -1- for fuel pump control unit -J538-.
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Disconnect supply line -2- (black), return line -2- (blue) and (if fitted) line leading to metering pump -V54--4-.
Note
Release connection by pressing button on hose coupling.
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Unscrew securing strap and securing bolts. When doing this, support fuel tank with engine and gearbox jack -V.A.G 1383 A-.
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Then, carefully lower the fuel tank further. While doing so, guide through filler neck between rear axle and body.