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Unread 04-16-2014, 03:40 PM   #1
crizo
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2002 WJ 
 
Join Date: Feb 2014
Location: calgary, alberta
Posts: 5
Wj Humming Sounds While Driving

Hi guys,
I'm having an issue with my '02 Overland that I can't seem to figure out. As I'm driving there's a constant humming sound coming from somewhere under the car sounds to be around the front end. Fist off I know I need new wheels they are worn and don't appear to be the worn evenly possibly an alignment issue I ordered new tie rods,track bar and pitman arm want to install this stuff before I get an alignment done. My jeep is all time all wheel drive so I know this causes stress on the transfer case. However I've had the jeep for about a year and never had the issue till recently the sound is loud and annoying Does anyone know what could cause this or anyone experience this before?

Thank You

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Unread 04-16-2014, 04:36 PM   #2
Amadauss
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1999 WJ 
 
Join Date: Aug 2011
Location: Bethlehem, Pa
Posts: 308
When I hear about a humming noise, usually think wheel bearings. Any wet looking stuff on the inside of your tires?
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1999 Jeep WJ, 78,072 miles new adco sway bar in rear. new rotors hubs and caliphers, new cv axles up front, Repainted-all black. steering system better stabilizer new tie rods and tubes. New shocks.
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Unread 04-16-2014, 04:41 PM   #3
pinky2252s
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2001 WJ 
 
Join Date: Oct 2011
Location: Broomfield, Colorado
Posts: 1,825
Quote:
Originally Posted by crizo View Post
Hi guys,
I'm having an issue with my '02 Overland that I can't seem to figure out. As I'm driving there's a constant humming sound coming from somewhere under the car sounds to be around the front end. Fist off I know I need new wheels they are worn and don't appear to be the worn evenly possibly an alignment issue I ordered new tie rods,track bar and pitman arm want to install this stuff before I get an alignment done. My jeep is all time all wheel drive so I know this causes stress on the transfer case. However I've had the jeep for about a year and never had the issue till recently the sound is loud and annoying Does anyone know what could cause this or anyone experience this before?

Thank You
It could be the wheel bearings, but normally they produce a squeak. It may also be the differential (case) side bearings. Does the sound change with speed?

The transer case is made to operate in AWD (247). Driving it normally puts no stress on it at all.
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Unread 04-16-2014, 06:06 PM   #4
TexomaSmitty
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1999 WJ 
 
Join Date: Mar 2014
Location: WICHITA FALLS, TX
Posts: 20
X3 on the bearings. When my left rear started going bad it made a low pitch "humming" sound. When i replaced the hub I jacked up my ABS sleeve and had to replace it too, just FYI to go easy if you plan on doing it yourself.
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