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tranny quit ?

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Old May 30, 2014 | 08:13 AM
  #1  
therigwelder's Avatar
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tranny quit ?

Okay my e4od quit in my f350.I had a no drive condition the truck would not move in any gear.I took the tranny out and completely dissassembled and cleaned everything in preperation for a rebuild.to my suprise there is no hard part damage to be found nor are clutches or steels burnt.why did the tranny quit?I am looking to find out why and what the culprit could be so that I can get it rebuilt right
 
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Old May 30, 2014 | 02:28 PM
  #2  
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The ONLY way the trans could do that is if something mechanical broke. Either you haven't found what broke or it's something outside the trans. It could be the rear axle, or if it is a 4x4 it could be the transfer case.
 
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Old May 30, 2014 | 02:47 PM
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This may be a stupid question Mark but can the torque converter fail completely with no obvious external physical signs of damage?
 
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Old May 30, 2014 | 03:17 PM
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Bad valve body?The rear end is good and its not 4x4
 
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Old May 30, 2014 | 03:48 PM
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Mark Kovalsky
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Originally Posted by clem1226
This may be a stupid question Mark but can the torque converter fail completely with no obvious external physical signs of damage?
I think that's possible, but I've never seen it happen. I have seen many converters fail, but there is still engagement and the vehicle is driveable, but it's obvious that something is very wrong.

Originally Posted by therigwelder
Bad valve body?The rear end is good and its not 4x4
The only way the valve body could be the problem is if the manual valve was disconnected from the linkage. But you would have seen that taking the trans out, or tearing it down.
 
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Old May 30, 2014 | 03:56 PM
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How do the splines look on the clutch drum?

The input splines.
 
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