One of the leading causes of a car stalling via a A/C on is very much seized compressor. If you can discover screeching, smoking, stalling and the air blows warm out from the vents whenever the AC is turned on it's a good guess that the compressor has imprisoned. If there is very belt squealing but your car or truck doesn't stall and way too much AC cools, more than really the belt or the tensioner is actually worn. The most likely reasons for having a car not idling high enough and sometimes stalling of your respective A/C turned on with no of the other correct mentioned can be an IAC (Idle Take a breath Control) motor.
*Keep in mind learn a compressor could be hot to the touch when checking.
How to look into the locked up or shot compressor
- Try to turn learn a clutch plate (on last component of the cpompressor).
- Using a socket on the nut that holds the clutch plate on - see if could turned.
- Look for the signs of the clutch plate over-heating; discolouration.
If the belt is loose it is usually because of a pre-owned serpentine belt tensioner, but this alone won't cause the car to stall. A sticking IAC motor can pose the car to booth. An IAC motor who have gets carbon build up that create sticking. If the idle doesn't go up when the AC is ready the engine can not work. Many times if this is the problem, the IAC motor can be removed from the throttle body and cleaned and some brush and fuel injector spray furthermore re-installed.
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