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

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- High and lo<br />

first, after so<br />

- High press<br />

specification<br />

- Low pressu<br />

value in grap<br />

- Required c<br />

longer attain<br />

- Low pressu<br />

graph),<br />

- The require<br />

obtained.<br />

Pressures, checking on vehicles<br />

Página 10 de 33<br />

- High press<br />

Note:<br />

- For the malfunction "high<br />

pressure normal, low pressure too<br />

low" , note the following:<br />

- This malfunction may cause the<br />

evaporator to ice up or the A/C<br />

Refrigerant Low Pressure Switch<br />

F73 to shut off the compressor<br />

although the amount of refrigerant<br />

in the circuit is OK.<br />

Possible deviation from<br />

specification<br />

- High pressure normal or too high<br />

- Low pressure too high (see<br />

graph),<br />

- Compressor noise (particularly<br />

after switch-on)<br />

- Required cooling output is not<br />

Possible cause<br />

Too much<br />

refrigerant in<br />

circuit<br />

Corrective action<br />

- Extract refrigerant from<br />

refrigerant circuit.<br />

- If quantity of refrigerant extracted<br />

roughly corresponds to specified<br />

capacity:<br />

- Replace A/C compressor.<br />

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

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

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