Question about 2000 Jeep Grand Cherokee

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Loud whistling noise while driving.

2000 jeep grand cherokee laredo

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  • Anonymous Jan 19, 2009

    My 2003 Grand Cherokee Laredo makes a loud whistling noise when idle and when being driven but not when the acceralator is pressed. It has been taken to a Jeep dealership ( where it was purchased) five times, but they cannot seem to find out where the noise is coming from because it is not constant. The noise is driving me crazy and I am in the transportation business. What can I do?

  • chadf2000 Mar 04, 2009

    I have the same problem in my 2000. However, it is worse when it is cold outside. It's not an axle problem and I don't think it is a belt problem. I am having the power steering pump, manifold, and vacuum hosers checked.

  • Dwayne Johnson May 11, 2010

    Is this a 4.0 six cylinder engine? if so the manifold is pobably leaking or cracked

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Does the noise sound as though it is coming from either the front or rear axle and does the noise change as your speed increases. If so it sound as though your axle is whining requiring overhauled if really bad.Common problem

Posted on Dec 15, 2008

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There was a tech service message to move the luggage racks to behind the rear door, if your noise is from wind this should solve the problem

Posted on Dec 28, 2008

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SOURCE: loud whistling noise while driving.

I think there is a TSB on that problem. If the wind is coming from the passanger side then roll the window all the way down. Put a 2X4 in the door jam. So the 2X4 will be inbetween the the door and the jeep. Push on the top of the door like you are trying to close the door. What you are trying to do and slightly bend the top of the door toward the jeep. But just do it a little at a time.

Posted on Jun 04, 2009

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Posted on Jan 02, 2017

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Loud whistling noise while driving.


I think there is a TSB on that problem. If the wind is coming from the passanger side then roll the window all the way down. Put a 2X4 in the door jam. So the 2X4 will be inbetween the the door and the jeep. Push on the top of the door like you are trying to close the door. What you are trying to do and slightly bend the top of the door toward the jeep. But just do it a little at a time.

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