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Your best source for complete troubleshooting and diagnosis information on auto A/C systems. Our information provides proper repair, recharge, service and maintenance procedures for all automotive air conditioning systems. Regardless if you have a current CCOT (cycling clutch orifice tube) system or an expansion valve and POA valve system, we've got the information you need. From step-by-step help on retrofitting and recharging to complete A/C compressor or component replacement, our A/C manuals provide you a quick and easy methods that have been proven helpful to everybody from the apprentice to the professional.

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Auto A/C Diagnosis, Repair and Recharge details from the leader in auto A/C service and troubleshooting help!

How does R-152a perform in the Auto A/C system?
As we initially advised when the information was released in the July 2005 issue of Keepin'Cool, the world's only eZine for the automtotive A/C service and repair aftermarket, the tests that ChevyBob performed using R-152a refrigerant we not labratory tests. However, they sure did provide a lot of good information about how the refrigerant performed.

ChevyBob used three Cadillacs that were (for all intents and purposed) equipped with the same A/C system. By that we mean even though the vehicles were three different model years, the components were all interchangeable with each other. The vehicles had the same condensers, the same evaporators, compressors, etc. Therefore, they could be considered the same vehicle (or as close as you were going to get!).

The results were well documented and photographed at the time of the tests. All the information on the R-152a tests complete with photos and performance charts can be found right here.

Once again, we thank ChevyBob for his efforts and for sharing them with us at autoACsystems.com. Since the information was published, ChevyBob has set up his own web site. You can ChevyBob's site direct from here.

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