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Transmission Shifting from OD to D


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audieromero
New User

Apr 17, 2016, 5:47 AM

Post #1 of 4 (1366 views)
  post locked   Transmission Shifting from OD to D  

I have a 57 chevy truck with a 454BBC with an 700R4 Transmission. Trans. started shifting from overdrive to drive then back to overdrive. When I manually put in 3rd., all ok. It shifts fine from 1st to overdrive, but goes back and forth from OD to D once it's in OD. What to check?
Audie Romero
Personal info deleted


(This post was edited by Hammer Time on Apr 17, 2016, 7:01 AM)


gsferraro
Veteran

Apr 17, 2016, 7:16 AM

Post #2 of 4 (1352 views)
  post locked   Re: Transmission Shifting from OD to D  

 Hello,
First thing to try is increase pressure on the throttle cable of the trans.


audieromero
New User

Apr 18, 2016, 4:43 AM

Post #3 of 4 (1333 views)
  post locked   Re: Transmission Shifting from OD to D  

Think I did that. Opened throttle all the way, pulled transmission tv cable out where there was no slack. It had about a 1/4" play.
Transmission still doing the same thing.


gsferraro
Veteran

Apr 18, 2016, 3:20 PM

Post #4 of 4 (1323 views)
  post locked   Re: Transmission Shifting from OD to D  

When you moved the cable did any of the shift patterens change? If you get on this car does it shift late? (seeing if there is throttle pressure)






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