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

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Hydraulic unit, brake booster/brake master cylinder Mark 60, assembly overview<br />

Página 3 de 19<br />

45-48<br />

Functional<br />

check<br />

- With<br />

engine<br />

switched<br />

off,<br />

press<br />

brake<br />

pedal<br />

firmly<br />

several<br />

times (to<br />

exhaust<br />

the<br />

vacuum<br />

in the<br />

module).<br />

- Now<br />

depress<br />

brake<br />

pedal with<br />

average<br />

foot<br />

pressure,<br />

hold and<br />

start<br />

engine. If<br />

the<br />

booster<br />

module is<br />

working<br />

properly,<br />

the pedal<br />

will be felt<br />

to give<br />

slightly<br />

under foot<br />

(booster<br />

assistance<br />

becomes<br />

effective).<br />

If faulty,<br />

replace<br />

complete<br />

Nonreturn<br />

valve<br />

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

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

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