Question about 2006 Jeep Wrangler

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2006 jeep wrangler after starting making a high scraming noise

After starting the jeep is making a high screaming noise..... replaced the tension and idler pulleys.... still making noise...
alternator is fine...any suggestions?

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  • jgc4469 Feb 16, 2009

    belts and power steering are fine

  • jgc4469 Feb 16, 2009

    It more of a screeching then metal to metal.... sometimes I can start it with no noise get down the road and there it is......
    sometimes the noise comes and goes when idling.... I have used wd40 and that's helps sometimes..... The noise just came on all of a sudden.....

  • jgc4469 Feb 17, 2009

    I will give this a try and let you know Thank you !!

  • Anonymous Mar 02, 2009

    Thank you i will check it out....

  • Anonymous Apr 13, 2009

    When I first heard that screaming noise on my 2006 wrangler, I looked at the belt and pulleys, alternator and water pump and they were all fine than a friend with a sharper ear than mine located the noise coming from the distributor. I pulled off the cap (dust cover) and sprayed a lubricant where the shaft meets the bottom plate and it must have drained down towards the engine as the noise went away, but it came back three weeks later. I think I need to replace the distributor my problem is that I can change a distributor however all it has is a pick-up sensor that leads to a coil pack above the sparkplugs, no place where to connect a timing light and no marks on the damper. my question is how do you set the time after you replace the distributor? or is it one of those things that only the dealer or shop can do with their diagnostic equipment. any suggestions? thanks

  • Michael Masters
    Michael Masters May 11, 2010

    Is it screeching or a high pitch metal to metal sound?


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Posted on Jan 03, 2012

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Had the same thing happen and it turned out to be the distributor shat. It was still under warranty and jeep replaced the idler pully and then the alternator and it still made the noise.

Posted on Mar 02, 2009

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Check the power steering and belts.

Posted on Feb 16, 2009

  • Daniel Arellano
    Daniel Arellano Feb 17, 2009

    It could be the radiator fan(s) that can be causing something like this. Remove the plug and jump the fan directly from the battery to the fan conectors. with the engine off. Listen if that is the cause of the noise.


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