C2, C3 & C4 A/C Retrofit

Basic System Operation The compressor pressurizes the refrigerant then it enters the A/C condenser as a gas. The high temperature, high pressure gas is cooled as it goes through the condenser. This changes the gas to a liquid. Then the liquid goes to the evaporator through an expansion valve or metered orifice. This quickly depressurizes […]

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C2 & C3 Troubleshooting

By Chris Petris The most important tool to use when troubleshooting is a good memory or notes. If necessary, write down as much information as possible. This will help compile a troubleshooting notebook. A factory service manual is an invaluable tool when diagnosing problems. A road test is very important and notes should be taken […]

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Electrical Diagnosis

The following is a workbook from a technical seminar that we sponsored during Corvettes at Carlisle in 2007. The workshop was hosted by Chris Petris from Petris Enterprises in Scottsboro, AL. The concept is to provide easy to understand electrical troubleshooting concerning all Corvette generations in layman’s terms. We’ll show you how to do this […]

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