Tranfercase Problem? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 06-22-2011, 05:30 AM Thread Starter
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Tranfercase Problem?

Looking for some input on the latest problem. When I engage my 4wd, I get a wobble. At first I thought it was the auto hubs sticking. I took them apart and cleaned them. Did not help. Replaced with manual hubs. Did not help. Next I replaced the U joints on the axles and pulled the cover off the front Diff and checked the gears. Truck still has the wobble while hubs are locked. I have found that with the hubs in free, I can not turn the front drive shaft freely. It has a lobing feel to it. Very hard to turn and then it turns freely until it reaches the tight spot again. Seems like something is binding in the transfercase or 4wd is some what engaged. Any ideas would be great. Thanks

2002 F350 7.3L
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post #2 of 6 Old 06-22-2011, 05:47 AM
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What do you mean by 'wobble'? Have you tried to remove the from DS and spinning the TC output flange and the pinion on the axle?


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
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* Stage1 MTW turbo



New truck has a Cummins and a handshaker

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post #3 of 6 Old 06-22-2011, 06:57 AM Thread Starter
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Thanks for the reply. I would say the wobble feels like a bad u joint. The part I find confusing is that with the hubs in free, I can not turn the front drive shaft freely. As I turn the drive shaft, it will rotate a half turn with a lot of resistance as if spring loaded. Then it is as if the spring unloads and the shaft rotates the other half turn and stops. I checked another SD and with the their hubs in free, the front drive shaft rotates freely. I was thinking of pulling the front drive shaft, locking the hubs and driving a few feet to rule out the front diff. Not sure what it could be, starting to think something in the transfercase went south on me.

2002 F350 7.3L
4x4 Lariat
SRW SC
Short Box
Auto Trans
3.73 gears
Isspro gauges
PHP Phoenix
DIY Intake
Walker BTM
X-code springs
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post #4 of 6 Old 06-22-2011, 07:09 AM
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I would do that first, yank the DS and drive it. You can also just pull the DS and test sping them by hand as I mentioned earlier


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker

Is it 2016 yet?
2006PSDSD is offline  
post #5 of 6 Old 06-23-2011, 06:47 PM Thread Starter
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WOW. Do I feel dumb. Turns out the front u joint on the drive shaft was frozen. Much better than having a bad transfercase. Thanks for the input. I almost took it to the shop because I was fustrated.

2002 F350 7.3L
4x4 Lariat
SRW SC
Short Box
Auto Trans
3.73 gears
Isspro gauges
PHP Phoenix
DIY Intake
Walker BTM
X-code springs
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post #6 of 6 Old 06-24-2011, 05:35 AM
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That'll do it everytime! Chit happens, glad its all fixed now


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker

Is it 2016 yet?
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