12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

truck jerking

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Old Sep 19, 2009 | 08:53 AM
  #21  
94 12valve's Avatar
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I was tought to do the gov springs by soft and hard clicks not the mic
 
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Old Sep 19, 2009 | 09:15 AM
  #22  
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How tight should they be
 
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Old Sep 19, 2009 | 10:55 AM
  #23  
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1 soft click and 4 hard clicks, then make sure the valve locks are faceing the same way
 
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Old Sep 19, 2009 | 12:36 PM
  #24  
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my 40foot does the same at 30 35 so no worrys put another trailer on there and it wont do it
 
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Old Sep 19, 2009 | 12:52 PM
  #25  
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It does it with a 30 foot to. It only seems to be 5th wheels tho
 
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Old Sep 19, 2009 | 12:57 PM
  #26  
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maybe driveline angles
 
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Old Jul 17, 2011 | 07:30 PM
  #27  
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did you ever fix this problem bc im having the same problem at about 1800 to 2000 rpms in 3rd gear. Any advice helps thanks
 
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Old Jul 24, 2011 | 02:58 PM
  #28  
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I have a 97 with the 47re and mine does it in third gear (locked) between 30 and 40 mph. It feels like my truck is gonna fall apart. and its only with easy throttle while its slowly building boost. I cannot figure it out. Im not pulling a thing either. it feels like i have a manual with a bad clutch thats chattering. its very annoying. If anyone has any ideas please let me know.
 
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Old Jul 24, 2011 | 03:52 PM
  #29  
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i hope that someone can help us out bc im clueless. so yours does it when the truck is unloaded? someone said earlier it could be governor springs i may give that a try
 
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Old Jul 24, 2011 | 04:00 PM
  #30  
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Yes when its unloaded. I havent pulled anything since it started happening. Its just weird that its only in third. If i floor it in third with the tc locked it does one big shake then stops doing it. i thought about the springs but why would it only do it in third?
 
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