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post #1 of 7 Old 06-16-2011, 05:12 PM Thread Starter
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Smile Please Help!!

I have a 1999 f250 7.3L, to day i was driving down the highway and i was just going over 50 and let off the gas and heard this like grinding noise almost and under 50 it just stopped, my gauges were fine no rpm spikes no codes throw no lights came on so i didn't worry about it then got up to speed and let off gas to see what would happen and it did it again, any one know why or has had this happen to them what can i do

Thanks,

Dan
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post #2 of 7 Old 06-16-2011, 07:07 PM
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Front wheel bearing? How many miles on the truck?
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post #3 of 7 Old 06-16-2011, 09:59 PM
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auto or manual?

Kitchene
1997 F350 SRW CCLB 4x4 XLT 7.3, ZF5, bone stock but not for long.

2000 F550 2WD CC Cab/Chassis PSD (in progress)
DIY Intake with AEM dry cone filter, ZooDad, AIH Delete, Foil Removed, Superchips Flashpaq, Mobile Delvac.



1988 F800 toy... Dozer hauler.. for sale.. 7.8L inline 6, 6sp Trans, 2sp diff




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post #4 of 7 Old 06-16-2011, 11:28 PM Thread Starter
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auto and 225 miles
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post #5 of 7 Old 06-17-2011, 05:52 AM
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225k miles. Have the front wheel bearings been replaced yet? I have 373k on my truck and have replaced both sides twice, getting ready for the third. Each time they go out I can here them grinding and a slight feel of vibration. If you have an aggressive tire you may not feel it. Also, a bump in the road or change in speed would cause the grinding and vibration to come and go. Hope this helps. Eventually, regardless of speed or bumps it will be continuos.

Last edited by Codum; 06-17-2011 at 05:56 AM.
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post #6 of 7 Old 06-17-2011, 08:34 AM
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sounds crazy but mine was making an aweful racket when I replaced my starter and come to find out it was the cover on the torque converter hitting the flywheel. may want to check that because in retrospect once in a while under load I would hear the same sound but not as bad.

Kitchene
1997 F350 SRW CCLB 4x4 XLT 7.3, ZF5, bone stock but not for long.

2000 F550 2WD CC Cab/Chassis PSD (in progress)
DIY Intake with AEM dry cone filter, ZooDad, AIH Delete, Foil Removed, Superchips Flashpaq, Mobile Delvac.



1988 F800 toy... Dozer hauler.. for sale.. 7.8L inline 6, 6sp Trans, 2sp diff




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post #7 of 7 Old 06-17-2011, 03:38 PM Thread Starter
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havent done front wheel bearing only back, but i hope its not the tq cause i just replaced it but if it is i got a warranty so we will see thanks everyone
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