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-   -   4L80E problem. Weird. (https://www.dieselbombers.com/chevy-gmc-6-2l-6-5l/116888-4l80e-problem-weird.html)

Randy Curran 11-18-2013 03:59 PM

4L80E problem. Weird.
 
I've got a '94 with a 4L80E. It doesn't go into gear very well when I first start it up in the morning. The warmer the better it works. Now once it's up and moving it shifts fine.

I thought automatics were suppose to run worse when it heated up not when it was cool!

Mase 11-18-2013 07:39 PM

Sounds like your filter might be clogged and letting fluid flow better once it's warm.:humm:

Randy Curran 11-18-2013 10:00 PM

The truck does have 375,000+ miles. I have no idea of the upkeep. So, I guess it couldn't hurt to change the filter and fluid.


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