What is wrong with my AC
2000 cavalier. AC works when vehicle is moving. When idling, it starts and stops and does not provide cool air. This has been going on for quite a few years
It sounds as if you have a leak in the system and it is short on the charge. Go to Auto Zone and purchase the A/C Pro the one with the gauge on it and following the instructions and there is also a video on how to charge the system. Also clean the condenser, its in front of the car, use a good heavy duty cleaner and flush with a garden hose.
You must have good air flow through the condenser as joemom stated, the cooling fan must be running when the A/C is turned on otherwise it won't cool.
What does the compressor look like?
this is what it looks like
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