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Old 11-03-2010
feh728's Avatar
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I am: F. H.
Join Date: Sep 2006
Location: Cape Coral, FL
Vehicle: 2002 Ford Ranger
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Icon5 Thermostat replaced. Coolant leak and now I have a squeak

I replaced a bad thermostat. Didn't tighten it down properly, had some coolant leak out during a trip around the block. Fixed the leak, now my belt/pulleys are squeaking like a banshee. I took off my belt and washed it down with soap and water. I used a hairdryer to dry it completely before putting it back on. I cleaned each pulley all the way around with denatured alcohol. Still squeaks... So I replaced my idler pulley because thats where I thought the sound was coming from. Still squeaks...

Question: Instead of replacing every part on my truck, what would be the next part you all recommend replacing to try and chase the sound?


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Old 11-03-2010
k.blakeley's Avatar
I am: Kevin B
Join Date: Apr 2007
Location: East Texas
Vehicle: 2003 Ford Ranger 4x4
Posts: 2,818
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WD-40 each pulley one at a time till the squeak goes away.
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