Squeeling Belt
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Elder User
Joined: Mar 2003
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From: Medford, OR
Squeeling Belt
The belt on my Bronco, which is brand new, was squeeling every once in a while especially when it would rain. I did what I thought to be the logical thing and applied some belt dressing. Now it squeels ALL the time and gets progressively louder the longer I drive. What the heck did I do wrong? Would too much belt dressing cause this? Thanks.
Posting Guru
Joined: Sep 2002
Posts: 2,195
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From: San Antonio, Texas
replace the belt, and before you install the new one, inpect all of the pulleys for wear.
Belt dressing is only a silicone lubricant and too much would probly make it slip more, not sure tho.
Belt dressing is only a silicone lubricant and too much would probly make it slip more, not sure tho.
Lead Driver
Joined: Jul 2003
Posts: 7,406
Likes: 52
From: Wheatland, Mo
For starters, Check the tension. On new belts. typically, its too loose still if the belt squeals. But, still check the pulleys to make sure that they aren't worn too much. As for the new one that you now have on there, replace it. Too much dressing can soak the belt and it will squeal for awhile til it dries out but then it will be too dry and start to crack.
Senior User
Joined: Oct 2001
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I replaced mine with a new napa belt. Where we live it rains almost every day 190" so I squeek every day. Ford said it was the napa belt. I know that ford has posted a tech bulletin on this issue. I cant see a difference from belt to belt, but who knows? when it bothers me enough I will probably give it a shot
Posting Guru
Joined: Sep 2002
Posts: 2,195
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From: San Antonio, Texas
I use nothing but goodyear gatorgrip belts. serpintine or v-belts.
In my expirience, there the strongest longest lasting belts and they grip were the others slip. Hmm, ryming is fun.
laterz
In my expirience, there the strongest longest lasting belts and they grip were the others slip. Hmm, ryming is fun.
laterz
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Joined: Dec 2003
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Double check your tensioner...I replaced my belt a couple of years ago only to have the tensioner bearing overheat and melt the plastic pulley a few weeks later. If it were me, I would replace the tensioner pulley with the belt change. The few extra $$ is way cheaper than a tow bill as I can confirm from experience. Also make sure the tensioner spring isn't weak or loaded with crud so that it is frozen in place.
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Brett Foote
Senior User
Joined: Mar 2001
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From: Corona, CA
First of all never use that belt dressing stuff it will never work. As for the squeaking there is a TSB regarding pulley alignments on 94 & 93 Broncos and 150s with the 351. It basicly says in cold weather the belt may squeak because the PS pulley is out of alignment with the rest of the pulleys and will cause belts to squeak not to mention fray and fail prematurely.
Post Fiend
Joined: Jun 2001
Posts: 5,228
Likes: 5
From: Running Springs CA
I had the serpentine belt squeak problem also. All of the pulleys are in perfect alignment and the tensioner checks out ok. I tried a new idler pulley because the old one looked glazed but no change. It was fixed with a Dayco Polycog belt. I think the Goodyear Gatorback is similar.
Jim
Jim
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Elder User
Joined: Mar 2003
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From: Medford, OR
Cold weather isn't the problem as it is still nice and warm here in Florida. I took the belt off today and am giving everything a good cleaning to get all the gunk out of there. The tensioner pulley seems fine and is tough to pull on, but I don't know how to test it exactly. I am going to put the belt back on after I clean everything up as best as possible and see what that does.
Posting Guru
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What you need to do is get some engine degreaser. Squirt down all the pulleys. Then wipe it off. Next you wanna get WINDEX, squirt all the pulleys with that, then wipe it all dry.
Then get a NEW belt and your squeaking should STOP!!
Then get a NEW belt and your squeaking should STOP!!
Posting Guru
Joined: Sep 2002
Posts: 1,154
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What you need to do is get some engine degreaser. Squirt down all the pulleys. Then wipe it off. Next you wanna get WINDEX, squirt all the pulleys with that, then wipe it all dry.
Then get a NEW belt and your squeaking should STOP!!
Then get a NEW belt and your squeaking should STOP!!
Thread Starter
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Elder User
Joined: Mar 2003
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From: Medford, OR
Well, I cleaned off all the pulleys with degreaser and windex and got a new Goodyear gator back belt. The constant squeeling stopped, but I still have the once in a while squeeling I had from the get go. What is the next thing to check? How would I tell if my tensioner is bad? Is the tensioner pulley supposed to noticeably move while the motor is running? Thanks.