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18 - To fuel delivery unit on right side
❑
⇒ Item 1 (page 123)
❑ Clipped onto upper left of fuel delivery unit.
19 - To supply line
❑
⇒ Item 23 (page 124)
20 - From return line
❑
⇒ Item 22 (page 124)
21 - Return line
22 - Supply line
Installation position of fuel delivery unit flange
Insert sender flange with marking -arrow- in direction of travel.
Checking pressure retention valve on expansion tank.
The pressure retention valve is open from breather valve (on ex‐
pansion tank) for flow in both directions (-arrow 1-, side to expan‐
sion tank).
On the other side, flow is possible in only direction -arrow 2- (side
to activated charcoal filter).
1.4
Schematic diagram of fuel lines and
components in fuel tank
Note
The fuel hoses between the right and left side of fuel tank are
secured with cable binder.
-A- left side of fuel tank
-B- Right side of tank
Phaeton 2003 ➤
6-cylinder injection engine - Edition 02.2014
126
Rep. gr.20 - Fuel supply system
