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1999 Pontiac Grand Prix Front end groan

Tiny
058 IRONMAN
  • MEMBER
  • 1999 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 146,000 MILES
This is pretty simple to explain. It sounds as if I have huge gumbo mudder tires on the steer tires. While I accelerate a low groan grows until it is nearly deafening. When I steer right the sound grows steering left and straight there are no changes what so ever.
Now at a stand still I shift from park to neutral to drive and notice only a soft click from the inside of the car.
Im about to start looking at what the possible cause is but I am in hopes this will all ring a bell with someone.
By the way. The tires are in great shape and symptoms do not change at all if I rotate them. No bulges, uneven wear, cupping or anythng abnormal.
Thanks in advance. Ironman
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Saturday, March 8th, 2008 AT 11:26 AM

7 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Check the hub bearings. Sounds like one is worn out.
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Saturday, March 8th, 2008 AT 11:34 AM
Tiny
058 IRONMAN
  • MEMBER
  • 6 POSTS
I checked the hub bearings once. I can re-check them. I sent you an IM Merlin. Problem gets louder and stronger as I accelerate as well. Iron
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Saturday, March 8th, 2008 AT 11:52 AM
Tiny
058 IRONMAN
  • MEMBER
  • 6 POSTS
Inner tie rod and wheel bearing slop.
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Saturday, March 8th, 2008 AT 11:59 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Inner tie rod will sound a bit like a coffee percolator! The groan is the hub bearing.3 bolts and 1 axle nut, and it comes right off.
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Saturday, March 8th, 2008 AT 12:10 PM
Tiny
058 IRONMAN
  • MEMBER
  • 6 POSTS
I found both wheel bearings to have slop in there via top and bottom twist. I am getting about 1/4 - 1/2 inch of play from either side.
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Saturday, March 8th, 2008 AT 12:26 PM
Tiny
058 IRONMAN
  • MEMBER
  • 6 POSTS
Im thinking I need to unbolt the strut or lower ball joint on this. Any input would be appreciated
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Saturday, March 8th, 2008 AT 3:06 PM
Tiny
058 IRONMAN
  • MEMBER
  • 6 POSTS
Nm. All done.
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Saturday, March 8th, 2008 AT 5:10 PM

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