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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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Components of fuel supply system, servicing<br />

Página 38 de 42<br />

20-33<br />

- Compare quantity of fuel<br />

delivered with nominal value.<br />

*)<br />

Minimum delivery cm 3 /30 seconds<br />

**)<br />

Voltage at fuel pump with engine<br />

not running and pump running<br />

(approx. 2 volts less than battery<br />

voltage).<br />

Example:<br />

During the test, a voltage of 12.2<br />

volts is measured at the battery. As<br />

the voltage at the pump is approx. 2<br />

volts less than the battery voltage,<br />

the result is a minimum delivery of<br />

200 cm 3 /30 seconds.<br />

If the minimum delivery rate is not<br />

attained:<br />

- Check fuel pipes for possible<br />

restrictions (kinks) or blockages.<br />

- Disconnect fuel line -1- from input<br />

side of fuel filter.<br />

Note:<br />

Press buttons on hose couplings to<br />

disconnect.<br />

- Connect pressure gauge VAG<br />

1318 to hose using adapter<br />

1318/17.<br />

- Repeat delivery rate test.<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

12/2/<strong>2005</strong>

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