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Old 08-16-2019, 09:30 AM   #1
marty in Ohio
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Default Fan Belt Squeak

My fan belt is not too old but it is starting to squeak a bit. What can I use to dress it? I have some belt dressing in a spray can in the garage but it makes such a mess when I use it. I remember years ago there was something like a crayon that would help. What do you say?
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Old 08-16-2019, 09:41 AM   #2
Dick So. Cal.
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Default Re: Fan Belt Squeak

Try bar soap. Works every time.

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Old 08-16-2019, 10:54 AM   #3
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Default Re: Fan Belt Squeak

I recently had the same problem and tried all the common dressings, none worked.



I ended up sanding the belt, nice and quiet now.
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Old 08-16-2019, 01:01 PM   #4
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Default Re: Fan Belt Squeak

Try WD40. Just spray a little on belt at top of generator. Very little.

Has always worked for me. No mess. Enjoy.
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Old 08-16-2019, 01:49 PM   #5
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Default Re: Fan Belt Squeak

With engine running SLOW, A bar of bath soap held on belt edges..
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Old 08-16-2019, 01:53 PM   #6
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Default Re: Fan Belt Squeak

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Originally Posted by F.M. View Post
With engine running SLOW, A bar of bath soap held on belt edges..
Not recommended. The fan is turning right there. Have someone turn the engine over with the hand crank.
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Old 08-16-2019, 01:59 PM   #7
Werner
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Default Re: Fan Belt Squeak

Hallo Marty, the squeaking comes when the V-belt slips. If you apply a lubricant such as soap or WD40, you will not hear it squeak anymore, but the belt is still slipping. The solution is candle wax. Rub the flanks of the V-belt with it and the belt runs noiselessly and without slipping.
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Old 08-16-2019, 02:09 PM   #8
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Default Re: Fan Belt Squeak

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Hallo Marty, the squeaking comes when the V-belt slips. If you apply a lubricant such as soap or WD40, you will not hear it squeak anymore, but the belt is still slipping. The solution is candle wax. Rub the flanks of the V-belt with it and the belt runs noiselessly and without slipping.
Disagree!

Squeaking is not just caused by slipping fan belt.

The Model A’s generator isn’t always in perfect alignment with the other two revolving pulley’s. As the belts age, the edges dry out, and the slight mis-alignment causes a squeak.

I am never 100 percent right, but I’ve been at this for a long time. Try the WD40, just a very little on generator pulley. Enjoy.
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Old 08-16-2019, 02:28 PM   #9
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Default Re: Fan Belt Squeak

If your worried about slippage, use Gasgacinch Gasket Sealer and Belt Dressing https://www.amazon.com/Gasgacinch-44...s%2C199&sr=8-1
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Old 08-16-2019, 02:49 PM   #10
marty in Ohio
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Default Re: Fan Belt Squeak

Thanks for all the replies. I did spray with WD40 a week ago but I think that is a temporary fix. The squeak came back. Now I have a bunch of things to try.
I can't wait to get started.
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Old 08-16-2019, 02:55 PM   #11
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Default Re: Fan Belt Squeak

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Originally Posted by marty in Ohio View Post
Thanks for all the replies. I did spray with WD40 a week ago but I think that is a temporary fix. The squeak came back. Now I have a bunch of things to try.
I can't wait to get started.
Marty
My experience as well. If you look at the sides of the belt you'll probably see that the belt is glazed. Sanding cuts this glaze and quiets the belt, no dressing required.
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Old 08-16-2019, 03:09 PM   #12
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Default Re: Fan Belt Squeak

ryanheacox. times 2 :-)
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Old 08-16-2019, 03:44 PM   #13
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Default Re: Fan Belt Squeak

Might try a new BX40 or BX41 belt. It is the cogged type and may help.
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Old 08-16-2019, 04:26 PM   #14
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Default Re: Fan Belt Squeak

We used to use Door Ease, it comes in a stick and you rub it on the belt edges. https://www.amazon.com/AGS-DEK3-Door.../dp/B000CIFVN6

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Old 08-16-2019, 05:27 PM   #15
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Default Re: Fan Belt Squeak

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Originally Posted by mhsprecher View Post
We used to use Door Ease, it comes in a stick and you rub it on the belt edges. https://www.amazon.com/AGS-DEK3-Door.../dp/B000CIFVN6
Yes!! I had forgotten all about Door Ease! They always had Door Ease around the service station I worked at when I was a teenager. We kept it out in the cash boxes on the islands so we could put it on customers "squeaky" belts. Part of the service... check oil, water, air, wash windows, meet girls, etc. Great times, not much money.

Of course this was back when they had service stations, cash boxes and service attendants.

Thanks for the memories.
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Old 08-16-2019, 06:31 PM   #16
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Default Re: Fan Belt Squeak

you can cure a squeaking belt by cleaning it and the pulleys. soap and water.
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Old 08-16-2019, 07:37 PM   #17
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Default Re: Fan Belt Squeak

I have used all of the above, except the sanding. Nothing seemed to work except putting a new belt on. I'll have to try the sanding next time. Oh, I did (do) have the cogged belt.
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Old 08-17-2019, 04:07 AM   #18
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Default Re: Fan Belt Squeak

ATF you do not need to dress all the belt it will migrate around by itself when running . This works for me and seems to be a long lasting cure .

John in sunny morning Suffolk County England .
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