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

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A/C refrigerant system<br />

Página 16 de 21<br />

87-84<br />

A/C pressure switch -F129-<br />

-F129- has three functions:<br />

Switches the A/C clutch -N25- off<br />

when excessive refrigerant circuit<br />

pressure is present (e.g.:<br />

insufficient air flow over<br />

condensor or when<br />

overcharged).<br />

Switches the A/C clutch -N25- off<br />

when insufficient refrigerant<br />

circuit pressure is present (e.g.:<br />

when refrigerant has leaked out)<br />

Switches on the second speed<br />

coolant fan -V7- when refrigerant<br />

circuit pressure increases.<br />

Notes:<br />

The presence of -F129- is engine<br />

dependant. Where -F129- is not<br />

used, high pressure sensor -<br />

G65- is used instead Page 87-<br />

85 .<br />

Always confirm system use of<br />

either -F129- or -G65- and<br />

applicable wiring circuit using<br />

applicable "Engine" and "Air<br />

conditioning" wiring diagrams.<br />

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

13/2/<strong>2005</strong>

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