Having problem with my a/c system

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My a/c isn't cooling properly, I replaced the compressor dryer and expansion valve plus vacuumed the system and it still doesn't cool as it should. What could be the problem?

tgregg in Fort Lauderdale FL

·

Sep 16, 2010

·

1 Reply

Popular Answer
DaveJMon Sep 17, 2010

Is the A/C compressor turning on and off/cycling as it should? Is there condensation forming on the accumulator (dryer) under the hood and are the hoses cold after running a while? If the answers to these questions are "yes", you could have an issue with the temperature control and temperature blend doors. Do you have automatic temperature control? If the compressor does not cycle, or cycles quickly, and your accumulator is warm, make sure there is sufficient refrigerant in the system. Check the cycle switch and wiring connector to make sure there is no open circuit there. What was the reason the compressor needed replaced in the first place? If there was contamination in the system from debris, you could have contamination still restricting flow somewhere. I assume you replaced the orifice tube when you replaced the accumulator... Good luck...

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