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

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Components, checking<br />

Página 81 de 87<br />

24-118<br />

Note:<br />

All functions which could previously<br />

be performed with VAG 1551/1552<br />

can also be performed with the VAS<br />

5051.<br />

VAG 1390 Hand vacuum pump<br />

Checking function<br />

- Start engine and run at idle<br />

speed.<br />

Actuator (vacuum unit) on intake<br />

manifold holds change-over barrel<br />

in position for long intake channel.<br />

- Have a second person press<br />

accelerator pedal down fully onto<br />

limit stop (throttle burst). Observe<br />

vacuum unit for Intake Manifold<br />

Change-Over Valve -N156-<br />

(location: on left of intake<br />

manifold).<br />

Actuating element must rotate<br />

barrel in intake manifold (arrow).<br />

- Switch off ignition.<br />

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

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

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