TT Quattro Coupe L4-1.8L Turbo (BEA) (2003)
Fuel Filler Hose: Service and Repair
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
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Removing and installing, checking See Fig. 1.
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
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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Checking See Fig. 2.
- To remove, unclip valve upward and lift out.
7
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Ground (GND) connection
- Installed position/check requirements See Fig. 1 , Refer to "Fuel Tank With Attachments, Component Overview (Front wheel drive )"
See: Locations
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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 See 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)
8
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Cap nut - 10 Nm
9
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Vent line
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To EVAP canister
Fig. 1 Removing, installing, and checking change - over valve