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G.
– Close shut-off valve of pressure gauge - V.A.G 1318-
-arrow- (lever perpendicular to direction of flow).
– Operate remote control at short intervals until a pressure of
approx. 4 bar has built up.
– If pressure builds up too high, relieve excess pressure by
carefully opening shut-off tap.
WARNING
Danger of spray when opening shut-off tap. Hold container
over free connection of pressure tester.
– Watch pressure drop on pressure gauge. After 10 minutes,
pressure must not drop below 3.0 bar.
If the pressure drops further:
– Check fuel lines and connections to fuel tank for leaks.
If no fault in lines is detected:
⇒ page 146
1.11.6
Checking non-return valve of right pump
– Separate supply line on right side -2-.
– Connect pressure gauge - V.A.G 1318- (lever perpendicular
to direction of flow) with adapter -V.A.G 1318/23- and -
V.A.G 1318/17- on hose -1- to pump.
– Disable activation of left pump:
Phaeton 2003 ➤
6-cylinder injection engine - Edition 02.2014
146
Rep. gr.20 - Fuel supply system