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Old 02-12-2011, 02:47 PM   #1
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Angry tensioner pulley 99 wrangler

recently replaced a squeeling tensioner pulley with a new one from advance auto. the problem is the new one is squeeling worse than the old one. funny part is when i spray wd40 in behind the pulley it quits, momentarily.... does anyone have any ideals as to why this is happening b4 i gauge my eyes out with a screwdriver....

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Old 02-12-2011, 02:54 PM   #2
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That happened to me a couple months ago. I got mine at autozone (never go there). It was a different size then the one I pulled out of the jeep! Make sure you have the right size. If thats not the issue, Check out the bearing. You may have gotten a bad part.

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Old 02-12-2011, 02:57 PM   #3
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good answer

ya i checked the size and it matches.....being as everything is enclosed im thinking it must be a bad part...
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Old 02-12-2011, 03:01 PM   #4
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bring it back and get another one .look at the back and see if it was rubbing mine had a spacer on it
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Old 02-12-2011, 03:04 PM   #5
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I'd take it down there and show them how its howling. Nothing like letting them hear the issue. Then tell'em gimme a new one.
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Old 02-12-2011, 10:51 PM   #6
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X2 on the spacer. When you take it off check to insure the spacer is there. I have a 99 and replaced mine with no problems but they tried to give me the wrong size...but had the old one with me for comparison. It's a sealed bearing so it should not quit squealing when sprayed.
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Old 02-13-2011, 11:31 AM   #7
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ya i just got done at advance again....this time they couldnt even tell me wich one they sold me or what one it needs...go figure...after some time they pulled it up by vin number and i installed it...same squeeling , unless i dont tighten the pully bolt, then its fine....i even tried adding an additional spacer and same issue....so as long as i dont tighten the pulley bolt it is fine, wich is totally not rite....any more ideas??
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Old 02-14-2011, 01:54 AM   #8
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Quote:
Originally Posted by dallasslone View Post
ya i just got done at advance again....this time they couldnt even tell me wich one they sold me or what one it needs...go figure...after some time they pulled it up by vin number and i installed it...same squeeling , unless i dont tighten the pully bolt, then its fine....i even tried adding an additional spacer and same issue....so as long as i dont tighten the pulley bolt it is fine, wich is totally not rite....any more ideas??
if you used a washer for the spacer you need to make sure the washer is smaller than the outter demension of the bearing or it could rub . is it warm after you run it ? do you have space in the front ? do you see any rub marks ? when you hold it in your fingers doe's it roll free ?
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Old 02-14-2011, 09:43 AM   #9
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yes its warm after i run it....no space in the front, the bolt head is fitted into a sleeve that slides into the center of the pulley...no visible rub marks and it rolls free...there is no obvious reason that i can see for it to be still squeeling...the washer i will recheck..i think it is the same size as the spacer, but will double check...
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Old 02-14-2011, 03:39 PM   #10
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I know when I replaced the idler pulley and tensioner assembly at the same time on mine, the idler pulley (the one not conntected to the tensioner) had a washer on the front side that was concave to clear the pulley. I remember trying to put it back together with a regular washer and realized that it would interfere with the pulley. Make sure the washer that goes in behind the mounting bolt is concave or that could cause problems. Factory washers were concave.
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Old 02-14-2011, 04:42 PM   #11
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well one of the many mysteries of workin on a jeep....i took it back apart, cleaned it, put the same factory washers that i have been using back together...tightened the belt a little bit further....and so far it seems to have magically fixed itself....or for now anyway....lol who knows....
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Old 02-16-2011, 09:42 AM   #12
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i take that back...now it seems to only do the squeeking when the engine is cold, as it warms up it quits...whats up with that??
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Old 02-16-2011, 12:50 PM   #13
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It sounds to me like your belt is squeaking, not the bearings. It's too loose, tighten it till it doesn't squeak on start-up.

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