TT Quattro Coupe V6-3.2L (BHE) (2005)
Fuel Filler Hose: Service and Repair
Fuel Filler Tube, Component Overview
1
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Pressure retention valve
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Clipped to fuel filler unit
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Closes vent line when vacuum from intake manifold is present
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Only remove together with vent line and gravity valve
2
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Vent valve
3
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O-rings
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Different sizes
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Always replace
4
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Seal
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Installed position: sealing lip faces fuel filler unit
5
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O-ring
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Always replace
6
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Gravity valve
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Only remove together with vent line and pressure retention valve
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To remove, unclip valve upward and lift out.
7
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Ground (GND) connection
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Installed position/check requirements => Fig. 3
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Ensure secure fit of connector at metal ring of fuel filler unit
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Securely tighten eyelet of electrical wire with cap nut => item -8-.
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After installing, check electrical connection of metal ring at fuel filler tube to a blank portion of chassis using multimeter: Specified value:
approx. 0 Ohm
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8
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Cap nut, 10 Nm
9
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Vent line
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To EVAP canister