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[QUOTE=92tsiawd84]OK, spray the belt with belt dressing or some type of lubricant to determine which is squealing. QUOTE]

For squealing belts I got only two words for ya. Dialectric Grease, It's my cure-all for squealing belts.

And the T-belts do tend to howl when cold when they are a little tight. Probably wouldn't do anything except annoy you during startup.