Strange noise from somewhere
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Strange noise from somewhere - 5/14/2008 10:26:48 AM
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Matt Harwood
Posts: 97
Joined: 2/5/2006
Status: offline
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Ever since I got my truck two years ago, there's been a hissing/grinding noise that I could hear only when the windows were open. It actually sounds like a cat hissing or the "H" sound at the beginning of "he." I hear it primarily through the passenger's side window. At first, I thought it was the front bearings, but they are all new, along with front axle U-joints, rotors, calipers, pads, etc. It is actually louder with the new bearings and has gotten noiser over the past few months. It is quite noticeable as I drive. Nothing feels amiss, however.
My thoughts in order of likelihood:
1. Bad hub bearings (again?). They're only a year old. I don't much feel like going in after them again. There was a similar sound with the old bearings, which were fine and only replaced because they were destroyed when I tried to remove the hub for the new rotors.
2. Something in the driveshaft (I know it needs U-joints and maybe a carrier bearing).
3. Front tires, which are old and have developed cracks on the inside (no, I'm not driving on them until I get this resolved).
Like I said, it's somewhere between a hiss and a grind. Any ideas that I haven't thought of? Thanks in advance.
< Message edited by Matt Harwood -- 5/14/2008 10:40:27 AM >
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Matt Harwood
Cleveland, OH
1998 2500 SLT 4x4 Quad, long bed, 5.9L V8
www.harwoodperformance.bizland.com
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RE: Strange noise from somewhere - 5/16/2008 12:53:51 AM
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Slomojo
Posts: 188
Joined: 3/2/2008
Status: offline
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have you tried to put all 4 wheels up in the air with the truck on some sturdy wood blocks?
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99 5.2 Mag, Auto
Custom Intake
Indexed 3924s
C4 Coil
Mopar P.Headers
Dual Thunderbolt Cats
Ultra Flow 3.5" In/Out Muffler
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RE: Strange noise from somewhere - 5/16/2008 12:55:21 AM
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Slomojo
Posts: 188
Joined: 3/2/2008
Status: offline
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With the truck in the air, you could have someone get in the driver seat, start the engine, and rev it up a little bit in order to repleat the sound when the truck is in drive and your outside listening for sounds like the one you described.
_____________________________
99 5.2 Mag, Auto
Custom Intake
Indexed 3924s
C4 Coil
Mopar P.Headers
Dual Thunderbolt Cats
Ultra Flow 3.5" In/Out Muffler
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RE: Strange noise from somewhere - 5/16/2008 12:59:44 AM
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Slomojo
Posts: 188
Joined: 3/2/2008
Status: offline
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By the way, have you checked your bushings and front end components for excessive wear? It's possible that if a bushing or front end component is serverly worn somewhere, you'll get some noise from the constant movement associated with the joint. Check it out, but be safe. Make sure that if you start the truck and put it in drive while up in the air, that nothing is going to move, or go anywhere. The last thing you want is to get run over or hit by your own truck when you are under or around the truck.
_____________________________
99 5.2 Mag, Auto
Custom Intake
Indexed 3924s
C4 Coil
Mopar P.Headers
Dual Thunderbolt Cats
Ultra Flow 3.5" In/Out Muffler
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