"Ker-thud!": Bearings or U-Joints? - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 07-21-2008, 05:19 PM Thread Starter
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Question "Ker-thud!": Bearings or U-Joints?

I'm getting a; "ker-thud, ker-thud, ker-thud", when I take turns. It seems more intense on right turns. I can feel it through the steering. I've checked tie-rod ends & balljoints, & they're fine. Can anyone tell me how I can check if it's either bearings or the u-joints in the axleshafts? I've got new u-joints anyway, but I still wanna make sure I don't need bearings. Thanks!

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #2 of 10 Old 07-21-2008, 05:20 PM
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Originally Posted by RadarRider View Post
I'm getting a; "ker-thud, ker-thud, ker-thud", when I take turns. It seems more intense on right turns. I can feel it through the steering. I've checked tie-rod ends & balljoints, & they're fine. Can anyone tell me how I can check if it's either bearings or the u-joints in the axleshafts? I've got new u-joints anyway, but I still wanna make sure I don't need bearings. Thanks!
By any chance are your front tires rubbing?
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post #3 of 10 Old 07-21-2008, 05:28 PM
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are you hubs accidentally locked in?

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post #4 of 10 Old 07-22-2008, 12:22 PM Thread Starter
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Originally Posted by 2005F250 View Post
By any chance are your front tires rubbing?
No. Actually, the very 1st thing I checked was the tires.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #5 of 10 Old 07-22-2008, 12:24 PM Thread Starter
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Originally Posted by IUStroker6.0 View Post
are you hubs accidentally locked in?
They're both on AUTO. That was the 2nd thing I checked. To tell you the truth, the driver's side hub is stuck in AUTO. Do you have a pointer for that?

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #6 of 10 Old 07-22-2008, 12:28 PM
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The hubs are bad, I replaced mine on my excursion with regular lock outs, Saved 1-2 mpgs also.
Easy fix

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post #7 of 10 Old 07-22-2008, 12:29 PM
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bump dunno

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post #8 of 10 Old 07-23-2008, 09:08 AM Thread Starter
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It was, actually, the hubs! I had looked @ them yesterday & they were in the AUTO position. When I turned them to see if they moved, the driver's side hub just kept turning. So I put the front end up on jackstands & turned the l/f tire. Sure as crap, the driveshaft for the transfer case was turning. She was forever stuck in LOCK. I picked up some sweet WARN hubs that were sold in a set for $120 from the local autoparts store! I got 'em in & no more-"ker-thud"! Thanks for the help, guys!

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.


Last edited by RadarRider; 07-23-2008 at 09:12 AM.
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post #9 of 10 Old 07-25-2008, 11:12 AM
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Quote:
Originally Posted by RadarRider View Post
It was, actually, the hubs! I had looked @ them yesterday & they were in the AUTO position. When I turned them to see if they moved, the driver's side hub just kept turning. So I put the front end up on jackstands & turned the l/f tire. Sure as crap, the driveshaft for the transfer case was turning. She was forever stuck in LOCK. I picked up some sweet WARN hubs that were sold in a set for $120 from the local autoparts store! I got 'em in & no more-"ker-thud"! Thanks for the help, guys!
What was the part number for those hubs and which store? Mine are bad also.
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post #10 of 10 Old 07-25-2008, 12:08 PM Thread Starter
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What was the part number for those hubs and which store? Mine are bad also.
The WARN part# is: PN 11690. I bought the set @ NAPA. Their part# for this kit is: 745-3112.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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