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Old January 20th, 2009, 12:36 AM   #1
XJ90
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Angry Need Some HELP!!!!! sound from jeep that makes you want to kill yourself

There is a sound coming from my jeep which is a 2000 Jeep Cherokee 4.0I 5 door that makes me want to strangle someone. It comes on about 90 percent of the time but generally stops when i hit around 60 miles an hour and its not a sound from a belt or anything i checked that and switched out the serpentine belt...noise is still there...the odd thing is that every time i accelerate and hit the gas the noise stops. but when i let off the gas the high pitched squealing noise comes right back. also does it on the idle.

I had some suggestions of a high pressure vacuum leak but was unsure of where the leak would be..

ANY SUGGESTIONS!!!!!
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Old January 20th, 2009, 12:40 AM   #2
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There is a sound coming from my jeep which is a 2000 Jeep Cherokee 4.0I 5 door that makes me want to strangle someone. It comes on about 90 percent of the time but generally stops when i hit around 60 miles an hour and its not a sound from a belt or anything i checked that and switched out the serpentine belt...noise is still there...the odd thing is that every time i accelerate and hit the gas the noise stops. but when i let off the gas the high pitched squealing noise comes right back. also does it on the idle.

I had some suggestions of a high pressure vacuum leak but was unsure of where the leak would be..

ANY SUGGESTIONS!!!!!
You already posted this in the Jeep forum, no need to re-post it here.
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Old January 20th, 2009, 01:08 AM   #3
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That happened to me, it was the alternator going bad.
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Old January 20th, 2009, 07:57 AM   #4
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ANY SUGGESTIONS!!!!!
Yes. Don't make duplicate threads.
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Old January 20th, 2009, 09:43 AM   #5
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Intake gaskets. Try tightening the manifold bolts first. Google "jeep whistling sound"
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Old January 20th, 2009, 10:18 AM   #6
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Does it make the noise when you are stopped at a light, or just when you are coasting? What about while you are braking?
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Old January 20th, 2009, 10:19 AM   #7
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If i were you, I would just kill myself.......
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Old January 20th, 2009, 10:25 AM   #8
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waterpump. a guy at work has the same problem and refuses to fix it.
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Old January 20th, 2009, 10:31 AM   #9
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If i were you, I would just kill myself.......
If I were everybody else in this thread (except FlatFender), I would go post in the real thread in Jeep Tech.
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Old January 20th, 2009, 10:32 AM   #10
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check your blinker fluid
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Old January 20th, 2009, 10:36 AM   #11
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check your blinker fluid

You sure it's not the muffler bearings ??????
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Old January 20th, 2009, 10:37 AM   #12
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If i were you, I would just kill myself.......
x2
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Old January 20th, 2009, 10:40 AM   #13
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Wife in the back seat?
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Old January 20th, 2009, 11:37 AM   #14
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Tried yelling at it in Spanish?

That cures it 90% of the time

SBC
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Old January 20th, 2009, 10:05 PM   #15
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wow thanks for the suggestions...in response to Kid Rock....it does make the noise while at a stoplight or when i am stopped
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Old January 20th, 2009, 10:08 PM   #16
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pull the belt and see if it goes away....will narrow it down some at least.
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Old January 21st, 2009, 08:56 AM   #17
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Intake gaskets. Try tightening the manifold bolts first. Google "jeep whistling sound"

Can you not read? It's the intake gasket whistling try tightening the manifold bolts.
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