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**Palf70Step** · 09-14-2020, 08:02 AM

4l60e trannys are not the best from the factory as far as shifting crisply and responsively. If some one has reprogrammed or tuned the tranny it can greatly improve it or cause issues. I would have a good transmission guy look at it as they are not the cheapest to rebuild redo. They may just find a bad program load and be able to fix it with reprogramming.

09-14-2020, 08:02 AM	#4
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 46,643	Re: 2000 GMC 1500 transmission question 4l60e trannys are not the best from the factory as far as shifting crisply and responsively. If some one has reprogrammed or tuned the tranny it can greatly improve it or cause issues. I would have a good transmission guy look at it as they are not the cheapest to rebuild redo. They may just find a bad program load and be able to fix it with reprogramming. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!