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

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A/C refrigerant system, servicing<br />

Página 43 de 51<br />

87-122<br />

Note:<br />

The temperature/pressure relationship only<br />

holds true when the refrigerant system<br />

contains liquid and vapor, but not when it<br />

contains only gas. In the gaseous state, the<br />

temperature is approx. 10-30 C (18-54 F)<br />

higher than indicated on the pressure gauge.<br />

Measuring pressure and temperature in a<br />

closed container or "switched-off"<br />

refrigerant system<br />

Due to the constant temperature/pressure<br />

relationship of R-12 and R-134a,<br />

approximate temperaturein a closed<br />

container or in a switched-off A/C system<br />

can be determined based on its pressure.<br />

If the temperature displayed on a gauge is<br />

lower than the actual temperature of the<br />

refrigerant, the refrigerant container or<br />

system is empty (discharged).<br />

Note:<br />

The temperature/pressure relationship only<br />

holds true when the refrigerant system<br />

contains liquid and vapor, but not when it<br />

contains only gas. In the gaseous state, the<br />

temperature is approx. 10-30 C (18-54 F)<br />

higher than indicated on the pressure gauge.<br />

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

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

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