Quote:
Originally Posted by springerpete
Did you make sure the new fan had enough clearance from the wp housing ? That was my problem. Remove the belt and spin the fan and listen carefully. My fan came with directions to be sure to check this issue. I had to remove some metal from the wp housing to fix the squeal. I think that using the clutch only changes the motor rpm so the squeal varies. Good luck.
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And the variation in speed is causing differing amounts of "airplaning" by that fan/fanshaft/water pump? (i.e. the fan actually pulls the shaft forward on increase in speed - when you let off on the speed, the shaft returns to a rearward position under the action of the belt alignment.)
I go for the fan/water pump nose interference issue.
I like the idea of removing the fan belt as a test. You don't need no steenking fan - at least until it boils over.
Joe K