4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Strange noise...

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Old Apr 20, 2008 | 01:04 PM
  #1  
badass04gt's Avatar
badass04gt
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Default Strange noise...

I'm hearing a noise from underneath my car. It sounds like something loose vibrating. It only happens at about 2000 rpm and only when I'm in gear driving (you can't hear when revving the car in neutral.) The car is also making a squeaking noise which I was told was the throwout bearing which kind of leads me to believe it has something to do with the clutch. Anyone have any ideas?
Thanks.
Old Apr 20, 2008 | 01:49 PM
  #2  
QuarterMileMaster's Avatar
QuarterMileMaster
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Default RE: Strange noise...

Need a better description than that.... metal vibrating? loud? quiet? fast? slow?
Old Apr 20, 2008 | 04:40 PM
  #3  
bjh061487's Avatar
bjh061487
3rd Gear Member
 
Joined: Jan 2007
Posts: 965
From: Philly, PA
Default RE: Strange noise...

take a video and post it on youtube and then put the think in the thread and maybe we can help you.

does it feel like the vibrating is also in the shifter or you can just hear it? +1 on more description
Old Apr 20, 2008 | 07:02 PM
  #4  
98redstang's Avatar
98redstang
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Joined: Mar 2008
Posts: 2,312
From: NJ
Default RE: Strange noise...

maybe your exhaust mount is loose so whn it gets to 2000rpms it starts vibrating or shaking
Old Apr 20, 2008 | 10:04 PM
  #5  
mestit3's Avatar
mestit3
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Joined: Feb 2008
Posts: 336
From: lexington, ky
Default RE: Strange noise...

mine does the same thing only between 1800-1900 rpms and only when accelarating. as the car gets warmer the noise gets quieter
Old Apr 20, 2008 | 10:31 PM
  #6  
Fizzics Boy's Avatar
Fizzics Boy
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Joined: Sep 2006
Posts: 735
From: New Jersey
Default RE: Strange noise...

Its a Ford. What do you expect from it?
Old Apr 21, 2008 | 07:53 AM
  #7  
indisposible_teens's Avatar
indisposible_teens
4th Gear Member
 
Joined: Aug 2006
Posts: 1,581
From: Terre Haute, Indiana
Default RE: Strange noise...

Could be the driveshaft. They make a vibrating noise when they are going out. How many miles do you have?
Old Apr 21, 2008 | 09:28 AM
  #8  
01GTDropTop's Avatar
01GTDropTop
2nd Gear Member
 
Joined: Dec 2006
Posts: 472
From: TEXAS
Default RE: Strange noise...

Check your heat sheilds on your cats and your cats themselves; make sure that your cats are still intact. I had the same problem on my 93 Probe GT, turns out the honeycomb in the cat broke loose.

Go underneath your car and hit the cats, if your hear the same rattle, you know what it is.

Phil
Old Apr 21, 2008 | 01:45 PM
  #9  
badass04gt's Avatar
badass04gt
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Joined: May 2005
Posts: 47
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Default RE: Strange noise...

I have already had problems with the heat shields on the cats and it's definintely not them this time. I'm trying to get a video but the car is just too loud to hear anything from the inside.
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