Thanks Bigsqueeze, Abe and CCC.C (sorry missed the fourth "C")
(And all previous contributors)
I think the noise was the compressor dying...
Went to the Brand new auto parts store and borrowed their manifold gauge set..
Think I was the first to use it...
Low side pressure up over 100psi.
High side just slightly higher so my assumption is the pressure is going back through the compressor which never cycles because it cannot reduce the low side pressure enough.
I don't think that the orifice valve opened up on its own!
I thin the worn belt probably contributed to the compressor failure and probably the battery (which I replaced right before the belt)..
The belt probably should have been replaced a year ago but the only sign of wear was the grooves had opened up a touch.
We will see what the new compressor does....
Last edited by OldmanoftheSea; 04/14/21.
