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1993 4L80 transmission trouble

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1993 4L80 transmission trouble Dale 10-6-08  
I have a 1993 Chevy 1 ton dually 6.5 turbodiesel with the 4L80 transmission and I am having problems with it. At times it shifts through all the gears but shifts really hard. Then if I shut it off and restart it it just shifts up to 3rd gear and will not go into overdrive. It also will not kick down into 2nd gear on a hard acceleration. After letting it cool down and restart it it might have all 4 gears or not. I have had it looked at by several places and they can not figure it out. It sounds like an electrical problem to me. Please help!
Dale
Re: 1993 4L80 transmission trouble Tom 11-25-08  
Did you get this solved yet?
mine is doing the same thing.
Re: 1993 4L80 transmission trouble Leo d Lavoie 4-6-09  
Iam having the same prob did you get yours fixed
Re: 1993 4L80 transmission trouble Randy 10-16-10  
Do you still have your 1993 chevy truck and did you find out what your transmission shifting trouble was I am having the same trouble with mine if you ever found out the trouble was please let me know thank you!
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