AIr conditioner makes noise when turned on,goes to a low idle, almost sounds lik

Hello, it could be that there's an engine performance issue being emphasized with the additional load of the air conditioning compressor turned on and operating. Or it could be that the compressor is of concern causing excessive draw on the engine and also making noise. Also, check all other components driven by the belt - could be a related concern there. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops