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shudder in reverse 4R100

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Old Sep 7, 2015 | 01:19 PM
  #1  
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donmi
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From: Hope, BC, Canada
shudder in reverse 4R100

Hi Guys,

a few days ago, I was trying to back up with my 5th wheel (12,000lbs) and in reverse the transmission was shuddering combined with a noise.

So I stopped and since than, the reverse is shuddering when I accelerate

If I put it in reverse and let it in idle, everything is fine.

The forward gears without problem.

Temperature always between 140 and 160, never overheated.

F350 Dually Crew cab, 7.3, 1999, 215,000 km, superchip,

never overdone it with the power.

Fluid level ok, no burned smell at the fluid, still red in color.

Any ideas?????

Thanks

Michael
 
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Old Nov 1, 2015 | 02:18 PM
  #2  
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collazoscesar
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reverse shudder

Hello, My truck is doing the same thing, did you ever find out what the problem was.
Thanks
Cesar
 
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Old Nov 1, 2015 | 04:36 PM
  #3  
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Mark Kovalsky
Frmr Ford Trans Engr
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It is possible that it is a driveshaft alignment issue, but it is more likely to be a damaged low/reverse clutch, or even the direct clutch.
 
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Old Nov 2, 2015 | 08:44 PM
  #4  
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donmi
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From: Hope, BC, Canada
Yes, it was the reverse clutch.

Got the transmission rebuild with a triple clutch Torque Converter and heavy duty shift kit.

Now I have a noise, coming obviously from the flexplate, will get a new one.
 
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