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

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A/C refrigerant system, troubleshooting<br />

Página 5 de 10<br />

87-135<br />

Test 2: A/C system high pressure, checking<br />

- Connect high- and low-pressure hoses of<br />

refrigerant recovery/ recycling/recharging unit<br />

Kent-Moore ACR 4 or equivalent, to high- and<br />

low-pressure service valves.<br />

- Disconnect electrical connector from coolant<br />

fan.<br />

- Start engine.<br />

- Set temperature control to maximum "hot" (if<br />

manual A/C) or "HI" (if Climatronic).<br />

- Manual A/C: Press "A/C" button and select<br />

highest blower speed.<br />

- Adjust air distribution to footwell outlets.<br />

- Raise engine speed to approximately 1500<br />

RPM.<br />

Specified result<br />

System high pressure is normal if high-pressure<br />

gauge reads 232 psi (16 bar) within 30 seconds.<br />

If specified reading is not obtained, also perform<br />

test 3 and compare results of all three tests<br />

table, Page 87-137 .<br />

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

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

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