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Old 07-31-2022, 11:45 PM
Schurkey Schurkey is offline
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Join Date: Aug 2002
Location: The Seasonally Frozen Wastelands
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Quote:
Originally Posted by Brentco View Post
I have the exact same problem — squeal starting around 3k rpm, and I too just replaced the fan clutch. I swapped out the standard duty for a heavy duty and did the mod to the bimetallic strip to start it sooner.

I roughed up the pulley grooves a smidge and I’m going to try slightly wider belts.
So you've dramatically increased the load on the belt, beyond what the fan system was engineered for, and you're wondering why it slips?