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re: Transmission problem**update**

Posted on 2/23/22 at 12:23 pm to
Posted by Sparetime
Lookin down at La
Member since Sep 2014
908 posts
Posted on 2/23/22 at 12:23 pm to
6 SPEED OR 8 SPEED?

6L80 are junk. Most tranny shops won't rebuild them, you will get quoted for reman product which is a slippery slope unless you verify the builder. Let me know and I can tell you about the builder.

8L90 have been doing well for GM compared to the 6 speed.

I reprogram most installs in our area, and we've seen a ton.
Posted by EF Hutton
Member since Jan 2018
2366 posts
Posted on 2/23/22 at 6:34 pm to
Do Not go to transmission depot , in Abita Springs. Thats all I'm saying.
Posted by TigerContractor95
Baton Rouge
Member since Oct 2010
45 posts
Posted on 2/23/22 at 7:42 pm to
I have a 2017 Silverado, 130,000 miles. Just replaced the transmission with a rebuild not from dealer, about a month ago. I'm getting 2-3 mpg less with the rebuild. Thoughts on why this would be happening? TIA
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