Squealing belts

[bking]

ok, here's the deal.
I'm in AK and at the min temps vary between 10F and 30F.
My fan belt / and all belts squeal like hell, They are all at the right tension, I have used gunk belt treatment on all of them but it still sounds as if one or more belts are slipping. Can I loosen the belts, or tighten the belts to stop this noise? I'm guessing that the colder temps cause the belts to shrink a bit, anyone any ideas? Its embarassing at traffic lights, sitting beside Mrs Shopping mom in an escort and then my truck squealing like hell when I accelerate.boohoo

 

[tRustyK5]

Might want to take a 3M abrasive pad to the pulleys and scuff em up a bit. The pulley surface may be glazed a bit from slipping belts. Then replace the belts and tension them properly.

Rene

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[therover87]

you could even check for yourself to see if they are tight enough is to see if you can turn the alternator with your hand, if so there is to much play in the belt and it has to be tightened.