squeals when idle and giving gas to my 99tj coming from belt - Jeep Wrangler Forum

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Old 08-11-2013, 10:27 AM   #1
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squeals when idle and giving gas to my 99tj coming from belt

Hello all ive done some research and didnt really find the right answers but my 99 tj 4cly without ac...and it squeals/squeaks when you turn it on and when u give it gas I have sprayed the belt and it will go away but then come back within miles of driving ive been reading about gatorback belts but cant seem to find the part number any help would be appreciated thanks
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Old 08-11-2013, 02:11 PM   #2
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replace the belt pulleys available at any major chain retailer, mine use to squeak replaced them put on a new belt no more squealing

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Old 08-11-2013, 02:46 PM   #3
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just remove the belt and try to spin each pulley by hand... if you come across one that sounds like its shaking replace that one. i dont think its necessary to replace them all.
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Old 08-11-2013, 04:16 PM   #4
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Ok cool .. cause the squeal will go away if I spray some belt dressing but then itll come back
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Old 08-11-2013, 08:16 PM   #5
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Originally Posted by crableg85 View Post
Ok cool .. cause the squeal will go away if I spray some belt dressing but then itll come back
Here is a video that I made the other day that can relate to this post. I believe it is the third pulley that I spin in the video that you can tell is bad.
Also, I would replace the belt. If you can find a Goodyear Gatorback, they are really good belts.
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Old 08-11-2013, 09:44 PM   #6
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Dealing with the exact same thing right now - anything special I need to know about the belt removal? Forgot to add that I have a 2.5.
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Old 08-11-2013, 09:55 PM   #7
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Nothing to it. If yours is like our 97 4.0, you loosen the pulley bolt (the one in the center of the pulley) below the p/steering pulley. Look close and you'll see a bolt head sticking out sideways to the left of the pulley, that's your adjustment. Back off the bolt till the belt is loose. Remove old, install new, wise to spin the tensioner and idler pulleys to check for bad bearings. Tighten adjuster bolt, you want approx 1/2" deflection if you push hard on the belt at it's longest span. Tighten the pulley bolt and you should be good to go.
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Old 08-11-2013, 10:03 PM   #8
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Just tighten it... DON'T spray belt dressing on it. No. No. No.
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Old 08-11-2013, 10:39 PM   #9
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Quote:
Originally Posted by Shelby427
Nothing to it. If yours is like our 97 4.0, you loosen the pulley bolt (the one in the center of the pulley) below the p/steering pulley. Look close and you'll see a bolt head sticking out sideways to the left of the pulley, that's your adjustment. Back off the bolt till the belt is loose. Remove old, install new, wise to spin the tensioner and idler pulleys to check for bad bearings. Tighten adjuster bolt, you want approx 1/2" deflection if you push hard on the belt at it's longest span. Tighten the pulley bolt and you should be good to go.
This is one way, but if your 99 is anything like my 2001, all you need is a 1/2" drive preferably with a long handle and there is a square slot in the tensioner, place the drive in the slot and pull to the right... this will release the tension on the belt and it will slip right off. Check to see that your jeep has the belt routing on a sticker near the radiator, if not make sure to take note of the routing that the belt makes around the pulleys

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Just tighten it... DON'T spray belt dressing on it. No. No. No.
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Old 08-12-2013, 07:16 AM   #10
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I think ill go with the gatorback but I cant seem to find the right part number I have the 2.5 4cly with no ac
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Old 08-12-2013, 08:03 AM   #11
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Quote:
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I think ill go with the gatorback but I cant seem to find the right part number I have the 2.5 4cly with no ac
You don't need a part number. Take off the belt and take to an auto parts store. You just need one the same length and width. Once off, check your pulleys. If they all spin freely it's just a worn belt.
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Old 08-12-2013, 08:07 AM   #12
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The only thing is no one around here no one sells them I was gonna order onlie
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Old 08-12-2013, 08:09 AM   #13
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See mine started squeeling after I replaced it.
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Old 08-12-2013, 08:10 AM   #14
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I don't think you understand that your belt us perfectly fine. Do you have cracks that stretch the length of the belt? Down the belt, not across it. If not, then your fine, just tighten it up.
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Old 08-12-2013, 08:31 AM   #15
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.........
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Old 08-12-2013, 08:34 AM   #16
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There is basically no more play in the belt to tighten it
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Old 08-12-2013, 08:45 AM   #17
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Can you over tighten a belt?
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Old 08-12-2013, 08:56 AM   #18
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Quote:
Originally Posted by jherrington View Post
I don't think you understand that your belt us perfectly fine. Do you have cracks that stretch the length of the belt? Down the belt, not across it. If not, then your fine, just tighten it up.

I dont see any cracks but the top of the belt has some smooth markings from spinning
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Old 08-12-2013, 10:24 AM   #19
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Can you over tighten a belt?
The way I heard it is that you want about 1/2" of give at the widest point between the pulleys (when pressed on with your thumb). I don't know for sure, but when the belt has more load on it when driving I could see it failing from stress if it is extremely tight.
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Old 08-12-2013, 12:40 PM   #20
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Thanks

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