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97 Ford f-250 hub noise when locked in


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MikeRyan
New User

Nov 28, 2008, 7:45 AM

Post #1 of 6 (2673 views)
97 Ford f-250 hub noise when locked in Sign In

I have a 97 f-250 that I just put a Dana 60 up front. I replaced all ball joints & u joints. When I have the hubs locked in and drive down the road in two or four wheel drive I get a vibrations/grinding noise. It sounds like its coming from the drives side hub or maybe drivers side axle shaft. When the hubs are not locked in it is fine. I have pulled the hub and rotor. Spindle and wheel bearings look good and I know the hub assembaly is put together right. Any ideas?


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Nov 28, 2008, 11:54 AM

Post #2 of 6 (2663 views)
Re: 97 Ford f-250 hub noise when locked in Sign In

Mike; A long shot, but are you certain that the gear ratio is correct?
Loren
SW Washington


MikeRyan
New User

Nov 28, 2008, 4:26 PM

Post #3 of 6 (2651 views)
Re: 97 Ford f-250 hub noise when locked in Sign In

I much appreciatte your response. I actualy put a dana 60 with 4:10 and a sterling 10 1/4 4:10 in the rear. The truck had 3:54. The sound is weird it only occurs when you let off the gas. Ring & pinion and everything axle shaft all look great. The noise is loud, four wheel works as normal.


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Nov 28, 2008, 5:04 PM

Post #4 of 6 (2650 views)
Re: 97 Ford f-250 hub noise when locked in Sign In

It's really tough hearing the noise over the internet.Frown Too much backlash can cause a noise on decel. Did you replace the ring and pinion? Too little backlash will generally be an all the time noise.
Loren
SW Washington


MikeRyan
New User

Nov 29, 2008, 4:42 PM

Post #5 of 6 (2633 views)
Re: 97 Ford f-250 hub noise when locked in Sign In

Loren I can't thank you enough for your responses. I guess I have not given you enough info I apologize. Its a 460 (oil companys best friend) both axles I put under it were stock, Off a f-350 I purchsed just the axles. The rear was the same 10 1/4 steerling and I only switched it out because it was easeier and cheaper than re-gearing. I know it's hard to know the sound without hearing it. I just can't figure it out when you let off the gas it makes this noise not horrid but low vibrating growning. Its coming from the drivers front. I have 5 of these trucks set up the same way. None of the shops in my town can figure it out (all two) I've built all 5 myself and have never had this problem. No rush but If you come accros someone with or hear of something similiar let me know. Everything is working fine but the noise is not right. Much Thanks


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 29, 2008, 6:24 PM

Post #6 of 6 (2631 views)
Re: 97 Ford f-250 hub noise when locked in Sign In

MikeRyan: Just some thoughts on this. I'm not the 4X4 nut of the world but know they are "differentiated" differently in different vehicles and own one with the basic shift on floor GM that as expected is wildly funky on plain wet or dry road and you wouldn't notice on dirt or snow/ice in my case. If driving perfectly straight ahead it doens't do much to notice that I've left it on but the first turn I notice. All that just a lower speeds.

I have to gather that this type is VERY sensitive to the tires all being equal wear and pressure. Question is, is it possible that what you hear is normal for dry road if tires aren't even in yours?

T







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