Terrible Squealing

[Hodge]

Check the sprag clutch on the alternator drive pully... if it isn't that it might be the A/C compressor bearing.

X2 on this.
When I bought my crd Patrol it came with a repco belt from memory and after several mud dips it started screaming like Justin bieber.
Tried belt sprays and squeak stops and it stopped it until next time belt cooled down , only stopped fuly when I chucked a new nissan belt on.
This is when I also replaced a screaming belt tensioner and bearing.

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