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  • SN95 4.6L Mustang Tech

how does a spun bearing sound?

  • Thread starter Thread starter Brute03
  • Start date Start date May 7, 2006

Brute03

Member
Mar 20, 2006
232
0
16
May 7, 2006
#1
  • May 7, 2006
  • #1
hey guys, my car has been making this funny whirring noise that rises with the rpm. it seems like it's coming from around the intake or alternator area but i'm not sure. now when i started up the car my buddy heard the noise and he said it sounds like a dead bearing, please tell me its not so!! i'm at 60k miles now
 
0

01Steeda

New Member
May 29, 2005
732
0
0
Baton Rouge, LA
May 7, 2006
#2
  • May 7, 2006
  • #2
a hollow knocking sound
 

Brute03

Member
Mar 20, 2006
232
0
16
May 7, 2006
#3
  • May 7, 2006
  • #3
any thoughts on what it could be? maybe a pully or something? it seems to come and go
 
0

01Steeda

New Member
May 29, 2005
732
0
0
Baton Rouge, LA
May 7, 2006
#4
  • May 7, 2006
  • #4
could be your idler pulley
 

DTNODYA

Member
Dec 15, 2005
831
1
16
May 8, 2006
#5
  • May 8, 2006
  • #5
01Steeda said:
could be your idler pulley
Click to expand...
But usually they don't make a "whirring" sound ... It's more like a 'wobble sqeak-ish' sound.

(if you haven't already) Check all your vaccum hoses and make sure you don't have a leak. Make sure they are all 'plugged in'. Umm .... make sure your air filter is clean and not clogged with anything ... and maybe check your belt to make sure it doesn't have any weak looking sections ...
 

Black Stang 97

the guy on top of me is funny
Nov 11, 2004
483
0
0
Los Angeles, CA
May 8, 2006
#6
  • May 8, 2006
  • #6
yeah, ive heard it a few times on my car too.....when i juss turn it on and the car revs up right away it does it for a second...then when the rpms go down it stops....but it literatelly only does it for a second...right when it hits the highest rpm before it drops....
 

HoustonGT

Gilded Gelding
Apr 6, 2003
1,418
0
0
Houston
May 8, 2006
#7
  • May 8, 2006
  • #7
DTNODYA said:
But usually they don't make a "whirring" sound ... It's more like a 'wobble sqeak-ish' sound.

(if you haven't already) Check all your vaccum hoses and make sure you don't have a leak. Make sure they are all 'plugged in'. Umm .... make sure your air filter is clean and not clogged with anything ... and maybe check your belt to make sure it doesn't have any weak looking sections ...
Click to expand...
Yea i had the wobble-sqeaukish sound and replaced the idler but the noise and wobble didn't go away. Could it possibly be another pulley?
 
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