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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

4wd Grinding Noise

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Old Apr 5, 2016 | 05:11 PM
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4wd Grinding Noise

Hey guys I was wondering if I could get some of your opinions. When I lock my hubs in and drive in 4wd and let off the throttle there is a very loud grinding noise. I popped open the front diff and all of the gears are fine. So I'm thinking my bearings are going out. I've been told I should do a full front diff overhaul. What do you guys think?

My Truck: 1996 Ford F-250 with a Dana 60 straight axle
 
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Old Apr 5, 2016 | 06:31 PM
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From: Mi'kma'ki
probably bad front u-joints.

there's no need to go crazy.the ball joints and tie rods and such could go for years and years still and same for the bearings if they look and feel fine.just inspect everything to insure it's all tight,and just replace the failed u-joints (if that's what's wrong-most likely) re-pack your bearings and run' er.
 
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