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Old 12-26-2012, 09:15 PM   #1
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Engine and interior noise

01 wrangler sport 4.0 5spd.. Makes a engine noise when cold outside sounds like ice in a blender but goes away after jeep warms up. Maybe pulley bearing? Then a new noise inside jeep sounds like a mouse squeak it does it random

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Old 12-26-2012, 10:51 PM   #2
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Anyone???

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Old 12-26-2012, 10:57 PM   #3
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sound like you need to change your belting...
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Old 12-27-2012, 10:13 AM   #4
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?
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Old 12-27-2012, 11:34 PM   #5
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Anyone?
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Old 12-28-2012, 08:34 AM   #6
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I dont think this forum is the best place to ask Engine Specific questions. Everyone here loves their jeep, but I dont think we quite understand the finer workings of a engine.

I would recommend find a more car engine focused forum. Probaly one that has some Master Mechanics answering questions.
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Old 12-28-2012, 08:48 AM   #7
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Have you listened to each pulley upon startup with a stethoscope (auto) or a screwdriver (redneck stethoscope, but watch the belt). It's pretty likely that a grinding like that will be easy to narrow down while its making the noise. I have chirping at a pulley that I'll be chasing down this weekend, but if I had what you describe I'd be chasing it down this morning.
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Old 12-28-2012, 10:44 AM   #8
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Can't say much for your mouse squeak, but you probably have bearing that's sensitive to the cold. Pop your hood on a cold start & take a took.
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Old 12-28-2012, 01:30 PM   #9
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Having the same problem with mine and come to find out it was my altenator bearing. Getting it fixed today. It may help a little to pull the belt off before first crank of the day and hand turn the pulleys to see which one is making the sound or crank it up without the belt on. May make it a little easier to track down. Also, I'm new to the jeep world and fixing my own parts so please don't bite my head off of something I said doesn't make that much since.

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