Touareg V8-4.2L (BHX) (2004)
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Place a rag around separating point to catch escaping fuel.
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Remove fuel supply line (arrow).
When the fuel pressure is reduced:
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Tighten threaded connection again.
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Remove pressure gauge with adapters.
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Connect fuel supply line to connecting piece of fuel rail and secure it using spring clip.
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Insert fuses - 13 - and - 14 - in the fuse holder.