SOURCE: Not getting any heat from my Automatic air conditioning and heating heating system
Could be a couple of things. The first thing that I would check would be the coolant level in the radiator, if that is low it can cause the heater not to blow hot air. The second thing I would find out is if the control to change from cold to hot is actually working? ( if it is a manual slider then the cable might have come off of the control behind the dash...if it is digital then there may be a wire off?) The third thing it might be is that your Heater Core went bad and will need to replaced. As I said above, I would check the coolant level first and go from there. Hope it helps!
SOURCE: I have a 1999 GMC 3/4 ton truck. My air conditioning doesn't work
if it is low on freon the compressor will have 0 volts becuase the low pressure switch on the evaporator isn't triggering...if you have freon then replace the low pressure switch...take a small piece of wire and disconnect the low pressure switch and jump the two sides of the plug together...compressor should come on
SOURCE: air conditioning won't work on 2000 subaru outback
the most common cause of course is a low system refrigerent charge, this would be due to a leak, the most common cause of leakage is the front shaft seal of the AC compressor
SOURCE: heat/ac fan doesn't work
go to the ac fan resistor first - then check the fan itself (put 12 v), remove climate control and check plug for shortage-melted wires
SOURCE: according to the mechanic the clutch magnetic
I think what your mechanic is saying is that the clutch mechanism on your A/C compressor is bad. What this is "a magnetically controlled clutch which activates the A/C compressor and allows it to work"
so without the clutch the compressor will not function as it should.
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