AC compressor question
I searched and read a few threads.
With the defroster on, a get a periodic grinding and the pulley on the AC compressor appears to stop. The idler pulley also flexes more than usual.
I removed the belt and the pulley does not spin quitely. It doesnt bind, but it makes a sound like there is sand in it.
I read that if I unplug the compressor connector, that the clutch is disabled...its just spinning the pulley - and the compressor should not spin. Is this right?
I did this and the idler pulley did not flex/bounce like it did before.
I am trying to avoid killing the compressor and filling the AC system will debris while I try to diagnose this.
How can i determine if its just the clutch or if the whole compressor is bad?
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