Grinding or grunting noise.

Tiny
RICKYSH11
  • MEMBER
  • 2005 CADILLAC CTS
  • 6 CYL
  • 2WD
  • AUTOMATIC
I've been experiencing some grinding or more of a grunt type of sound when I turn my steering wheel the sound seems to come from the drivers side front wheel. I've read forums of this sound and they all concluded it to be power steering, but I have power steering fluid at the fill level and the noise is still constant. What could be the cause?
Monday, July 11th, 2011 AT 11:32 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If its not coming from the power steering pump-could be coming from the driveaxle CV joint/boot-
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Monday, July 11th, 2011 AT 11:36 PM
Tiny
RICKYSH11
  • MEMBER
  • 75 POSTS
Thanks for your reply, one thing I failed to mention earlier is that it seems the this noise starts when the car has been driven for at least an hour and doesn't do it upon start up. As if it starts after the car has warmed up.
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Monday, July 18th, 2011 AT 2:32 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Check the brakes and l/f strut assy. They can develop a grunt. The upper strut mount bearing could be bad. Try to duplacate by bouncing the car up and down.
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Monday, July 18th, 2011 AT 5:44 PM
Tiny
RICKYSH11
  • MEMBER
  • 75 POSTS
Okay, I've tried to duplicate the sound with bouncing the car but nothing happens. This sound occurs after I've driven for quite some time over an hour or when I drive over a bumpy road, it seems to continue to occur until it sits for several hours.
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+1
Sunday, July 24th, 2011 AT 1:07 AM

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