Question about 2004 Jeep Grand Cherokee

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Jeep Squeals when 20 MPH until car at temp

Since it got cold my 04 Grand Cherokee squeals when I reach 20 mph on up. About 5 minutes after reaching temp it will often stop squealing. Speed or revving the engine seems to have no effect on the squeal, it is a constant sound level. I took it in and had the belt replaced with no effect other than it needed it. I just reached 80k miles. I am wondering what it could be? Trans fluid being too cold to lube parts? (we have hit sub zero temps a lot this winter). Tranny going bad? A Sensor?

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  • omakler4
    omakler4 Jan 19, 2013

    Oil Pressure is good. All fluids are full. It only happens till it warms up to about 1/4 - 1/2 of temp gauge. No shifting issues (not rough or late in shifting). No pinging or knocking. Everything runs beautifully except that squeal when I hit about 20. It does sound like it is coming from the engine compartment.

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  • 5 Answers

Hi, check your pulley bearings, but if you have had the belts checked the mechanic should have picked up on that.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: Loud squealing sound in my engine

Try removing the belt and turning each pulley by hand. If everything is smooth and free, with the belt still off, drive down the block once and see if the noise is there (this will eliminate all rotating accessories on the front). If you hear the noise, then there is a problem deeper inside. Oil pressure is good? Dont' forget when doing this, you will have no power steering, so be careful.

Posted on Jan 17, 2009

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SOURCE: 96 jeep cherokee 4.0 automatic has very high revs

The condition you reported is either a control problem or "flaring" both are pressure related. I suggest you have a reliable trans shop test drive it. If it's a control problem (late shifting) there are external adjustments that can be made. If it is flaring, that is internal and may require a rebuild.

Posted on Nov 13, 2009

Testimonial: "Thanks for the help. We still do not know exact problem but are going to try some tranx to hopfully break down any varnish or junk then replace fluid"

ginko
  • 19396 Answers

SOURCE: my 1999 jeep cherokee belt squeals very loud when

If you get the squealing noise even when car is not running, and if noise get louder when you push the accelerator pedal, then it is the serpentine belt.

You may need to put the belt in tension, or to replace it.

Posted on Dec 18, 2009

stevexmas007
  • 693 Answers

SOURCE: i have a 96 jeep

Sounds like your Carrier bearing is going out. This will leave you stranded if go's out compleatly. , But it is a easy fix, Should'nt take over 1 hr.labor at any shop. Everthing should'nt cost you over a hundred buck's, Good luc. to you.

Posted on Apr 01, 2011

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