Front axle end play/ grinding-- Bearings? - Ford Powerstroke Diesel Forum
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post #1 of 25 Old 06-26-2014, 02:47 PM Thread Starter
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Front axle end play/ grinding-- Bearings?

Hey guys so I've noticed a terrible intermittent grinding sound from my driver's side front wheel. When I removed my hub lock I can move my axle spindle probably about 1/2" to 3/4", while my passenger side has very very little to no play. So, before I buy a new hub assembly, does this sound like my bearings are belly up?

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post #2 of 25 Old 06-26-2014, 03:12 PM
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Your axle stub simply slides through the bearing assembly. There is a bearing in there to hold it "up" but not prevent in/out motion. In which direction are you able to move the stub axle?

If you're hearing it, your unit bearing is probably toast. Can you rock your wheel?

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post #3 of 25 Old 06-26-2014, 03:20 PM Thread Starter
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I couldn't rock the wheel but my brakes were still attached when I tried. And the movement isn't in and out, it is side to side

--Uriah--
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post #4 of 25 Old 06-26-2014, 03:29 PM
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jack it up and rock the wheel like mentioned the brakes can be attached

excessive movement is a sign

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post #5 of 25 Old 06-26-2014, 03:31 PM
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the stub shaft play may be a bad needle bearing located inside the unit bearing but replaceable separately

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Last edited by ZMANN; 06-26-2014 at 03:34 PM.
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post #6 of 25 Old 06-26-2014, 03:39 PM
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Usually if it has that much play your stub shaft might be wore out all together. Happens when people drive around with hub locked in for too long.


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post #7 of 25 Old 06-26-2014, 03:41 PM
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Quote:
Originally Posted by ZMANN View Post
the stub shaft play may be a bad needle bearing located inside the unit bearing but replaceable separately
I replace the needle bearings usually once before the whole hub assembly wears out.

I'd try that first for the $20 it costs

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post #8 of 25 Old 06-27-2014, 08:16 AM Thread Starter
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I'll see again when I get home. Where would the stub shaft be worn exactly?

--Uriah--
2001 F350 XLT (POWER SEATS!!) 7.3 PSD ECLB SRW automatic, 137,000(ish)
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4in. turbo back straight pipe 5in. tip
Zoodad
ATS turbo shroud
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post #9 of 25 Old 06-27-2014, 12:39 PM
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i just replaced a Hub assembly on my truck, it was making a grinding noise and then finally locked up on me on the freeway, that sucked but i just threw it in first and was able to pull over!

but it only cost me $180 bucks to replace it from oriellys auto parts
its too easy to replace, takes less then an hour if your truck isnt stubborn

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post #10 of 25 Old 06-27-2014, 01:00 PM Thread Starter
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Yeah last night I picked up a new assembly from Carquest for $131 out the door. I'm about to pull her into the garage and start a working.... Hopefully it shouldn't be too much of a pain. Good to know you didn't get in a wreck and your truck was okay.

--Uriah--
2001 F350 XLT (POWER SEATS!!) 7.3 PSD ECLB SRW automatic, 137,000(ish)
WIX 6637
4in. turbo back straight pipe 5in. tip
Zoodad
ATS turbo shroud
6pos TS chip
ISSPRO Gauges (EGT, Trans, Boost)
Foil delete
$.50 MOD
To come soon: EBPV delete and AGR steering gear box
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