Engine Size: 4.0l v6
So i have been having ac issues for a while, so right now the compressor turns on and off about every 15-20 secs but it still blows cold as it was just evacuated and recharged and about half the people i talk to say thats normal and the other half say no its not, either your low on freeon or your high. Should i just buy the gauges and check it out myself? because im clueless and do not know who to trust and do not know if there is still a leak, both shops have said no leak and say compressor shouldnt do that but dont know why?
What's the outside temp?
The temperature has an effect on clutch cycling time.
id say around 70 degress, but i did it recently on a day that was around 85 and my car inside was around 90 and it did the same thing, which is another reason i am confused. the compresser cycled intermediately when i turned the car on and wouldn't stop cycling. so im just confused on this matter thats all and trying to get some insight a bunch of people on forums say its normal but a bunch of shops say its not.
The system in your car is called a CCOT. The CC stands for Cycling Compressor. When the full cooling capacity is not needed, the compressor cycles on and off.
This is essential to prevent over-cooling the evaporator coil. When an evaporator is over-cooled (below 32 degrees F), the water that it condenses out of humid air will freeze in place rather than running off to drip out under the car like it should. The buildup of ice on the evaporator blocks the air flow, so then there is no cold air from the vents.
The cycling is controlled by pressure. This means that a low pressure due to too little refrigerant will also cause excessive cycling. The difference is that when that abnormal situation happens, the air coming out the vents is also not very cold.
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