What can I do If my 06 Nissan Sentra A/C takes a long time to cool. this has been recent. and I…

What can I do If my 06 Nissan Sentra A/C takes a long time to cool. this has been recent. and I checked for leaks and everything is okay! please help what can I do or check? Please Help me

have a pro empty the system out, then refill it with a factory load of refrigerant. Often just being low does that, and that's the ONLY real way of filling it right

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