Touareg V8-4.2L (BAR) (2007)
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Remove fuel supply line - 1 -, auxiliary heater fuel line - 2 -, fuel pump connector - 3 - and vent line - 4 -.
‹› Press in securing ring to disengage the fuel line.
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Open locking ring using wrench (T10202).
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Check whether electrical wires between flange and Fuel Pump (FP) are connected.
If no open circuits are found:
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Fuel Pump (FP) faulty, replace fuel delivery unit.
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4.2 Liter V8 4V Engine Mechanical, Fuel Injection & Ignition, Engine Code(s): BAR; Rep. Gr.20; Removal and installation procedures.
Fuel Pressure, Checking
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Remove high pressure in fuel system.
CAUTION!
Fuel supply line is under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before
removing from hose connection wrap a cloth around the connection. Then release pressure by carefully loosening the union nut.
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Place a cloth around connection and loosen union nut - arrow - to reduce fuel pressure.
