700R4 SLIPPING from 3 to 4 gear

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Feb 1, 2007 | 02:32 PM
  #1  
I resently notice slipping from 3 to 4 gear only. my transmission fluid is 4 years old but it looks ok in color. Its light brown in color and does not smelled burned.
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Feb 1, 2007 | 02:36 PM
  #2  
change fluid and filter if that don't help change the trans
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Feb 1, 2007 | 06:44 PM
  #3  
HUH... old oil Eats rubber.. thats why old junk cars are the way they are.. Lack of Basic Maintence..... Fluid Filter Change.. and prob a Flush.. the TC Holds quite a bit of fluid... I dont understand why people never flush the whole system..

you have a 700r4 right? not a 200C or whatever else was availabe in the earlier years.. While your in there.. throw in a shift kit.. It takes a bit more than throwing In.. But Geeze. LOL
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Feb 1, 2007 | 07:07 PM
  #4  
If second is solid, the 2/4 servo (4th apply servo piston) or 3-4 accumulator may be a problem. Or it could be the common weakness of the 3/4 clutch pack.

There may also be low oil pressure for various reasons, including the pump, valve body, 4th servo supply or 2nd servo exhaust passages), or a governor.

If the problem is the 3/4 clutch, you don't need a shift kit. You need to install a 7-stack (or more) of clutch plates and steels for better engagement.
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Feb 1, 2007 | 07:21 PM
  #5  
If your going to rebuild the tranny... Dont get Cheap with parts....
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