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

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Pressures, checking on vehicles<br />

Página 8 de 33<br />

- Observe test conditions 00-7,<br />

Pressures, checking on vehicles .<br />

- Set engine speed to 2000 RPM.<br />

- Observe pressure gauge of<br />

service station.<br />

Note:<br />

- Switching pressures for<br />

refrigerant circuit switches are<br />

vehicle-specific.<br />

- Connection with valve for lowpressure<br />

switch or at evaporator is<br />

only to be used for vehicles with<br />

no service connection on lowpressure<br />

side and an inaccessible<br />

connection at compressor or<br />

reservoir (measurement<br />

accuracy). Only applies to certain<br />

vehicles.<br />

<strong>Repair</strong> Manual, Heating & Air<br />

Conditioning, <strong>Repair</strong> Group 87 ,<br />

Specified values:<br />

High pressure side:<br />

Increasing from initial pressure (on<br />

connecting pressure gauges) to<br />

max. 20 bar.<br />

Low pressure side:<br />

Decreasing from initial pressure<br />

(on connecting pressure gauges)<br />

to value in graph.<br />

A - High pressure (measured at<br />

service connection) in bar<br />

B - Low pressure (measured at<br />

connection with valve at<br />

compressor or reservoir) in bar.<br />

C - Permissible tolerance range.<br />

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

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

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