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The compressors can have problems with the electrical devices that turn the
clutch on. A lot of times you'll hear the clutch kick on when the air conditioning
clicks on and off. There are pressure switches throughout the system. There
is a low pressure cutoff and a high pressure cutoff and on most late model vehicles,
they are controlled by the computer that controls everything in the car.
It will look at those sensors and the computer will determine whether to turn
the air conditioner clutch on and off. Another problem is there is a sealed unit
in the front that you cannot see that can leak. There is a big O ring around
it that can leak and there is a seal there and then there are two seals on top
where the line assembly that goes on. There are a lot of different points where
leaks can occur that would require removing and repairing or replacing. |
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