99 wrangler 4.0 belt squeak - JeepForum.com

 
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post #1 of 9 Old 01-18-2014, 04:02 PM Thread Starter
Brians77
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99 wrangler 4.0 belt squeak

I Just purchased 99 wrangler. I have replaced both idler pulleys,water pump,power steering pump. The belts squeaks all the time. I heard if you tighten it, it may help. I tried that and it made it worse. I also heard it could be the harmonic balancer. I don't want to change it if I don't need to. Anybody have any suggestions
Thanks in advance

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post #2 of 9 Old 01-18-2014, 04:20 PM
Red Rubicon
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Have you changed the belt?
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post #3 of 9 Old 01-18-2014, 04:29 PM Thread Starter
Brians77
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Not yet. The belt looks brand new. I guess it could be glazed.
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post #4 of 9 Old 01-19-2014, 08:36 AM
1949er
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Usually serpentine belts don't squeek or squeel , try reversing the belt and while the belt is off spin the alternator by hand , a dry bearing can make a chirping sound
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post #5 of 9 Old 01-19-2014, 11:53 AM
Red Rubicon
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Try slowly dripping water on the belt while idling, if the squeak disappears replace the belt.
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post #6 of 9 Old 01-19-2014, 01:40 PM Thread Starter
Brians77
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Quote:
Originally Posted by Red Rubicon
Try slowly dripping water on the belt while idling, if the squeak disappears replace the belt.
I will try that.

Thanks everyone for you help. Hopefully it's just the belt and nothing more expensive.
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post #7 of 9 Old 01-19-2014, 01:41 PM Thread Starter
Brians77
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Quote:
Originally Posted by 1949er
Usually serpentine belts don't squeek or squeel , try reversing the belt and while the belt is off spin the alternator by hand , a dry bearing can make a chirping sound
It does sound more like a chirping sound. Hopefully it just the belt..thanks for your help
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post #8 of 9 Old 01-20-2014, 05:25 AM
Dale60
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When you do finally replace the belt. replace it with Mopar. Been down that road. Tried Gatorback and Dayco both squealed and chirped. You can see the difference in the grooves.
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post #9 of 9 Old 01-28-2014, 06:40 PM Thread Starter
Brians77
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does anyone have the mopar part number for a serpentine belt for a 4.0 with ac and power steering. I ordered a belt part # 53011035 and when I tried to put it on it seems to be to short.i double checked to make sure the belt wasn't hung up on anything and was ran correctly.
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