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Bearing problem?

 
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Old 16 Oct 2011, 08:25 pm
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Default Bearing problem?

When I'm driving, my '03 Turbo sounds like a biplanes propeller. The tranny seems to be ok as well as the clutch. My husband seems to think it's the bearings in the front. Anyone know what this sound may be?
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Old 16 Oct 2011, 08:32 pm
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Default Re: Bearing problem?

The front wheel bearings usually go one at a time and make a grinding sound as you make a slow turn either left or right not when going forward unless they are so bad your about to loose a wheel.

The way you describe it, it sounds more like the protective plastic shield that's underneath the car that came loose and is flapping in the wind as you drive.The main shield runs from front to back in the picture below and is between No#1 and No#7. It's black and flat and plastic.

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Last edited by CREWZIN; 16 Oct 2011 at 08:37 pm.
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Old 17 Oct 2011, 08:56 pm
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Default Re: Bearing problem?

I'll check it in the morning. The "biplane" sound disappears when I steer to the right. I hope it's just the plastic shield and not the bearings.
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Old 17 Oct 2011, 09:05 pm
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Default Re: Bearing problem?

Well you could be right but I've never heard of a bad bearing noise described as a "biplane".
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Old 17 Oct 2011, 10:57 pm
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Default Re: Bearing problem?

I seen in your other thread you were saying your tires were shot. Could easily be the tires making the noise. A quick rotation should at least change the tone if its the tires.
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Last edited by DuRoc; 19 Oct 2011 at 07:41 am.
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Old 18 Oct 2011, 01:01 am
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Default Re: Bearing problem?

Quote:
Originally Posted by atracats View Post
The "biplane" sound disappears when I steer to the right.
Classic Wheel bearing.
I'd say your husband and Crewzin are spot on from what I know over the internet
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Old 18 Oct 2011, 07:10 pm
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Default Re: Bearing problem?

I vote wheel bearing. I replaced one last month on 2 different vehicles. I took the hub to my parts store which has a machine shop.

My 2009 Nissan Altima w/ 18k needed one. Still under warranty.

So it's not just a PT thing.
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Old 18 Oct 2011, 09:25 pm
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Cool Re: Bearing problem?

Yep, it's sounds like the bearing is going out on you. I just replaced both of mine as well as the hub's and mine had to have one knuckle replaced. If you can, get the car up off the front wheels and put your hands at 12 o'clock and at 6 o'clock, then try wiggle the wheel. If there is some to alot of play, you will know when you do this, then your bearing is bad. These guy's on here are the one's that helped me. Hope this helps.
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Old 26 Oct 2011, 11:09 am
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Default Re: Bearing problem?

Just got my PT fixed...it was the bearings. Thanks everyone.
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