4l60e

Hello all. I have a 2007 Avalanche and my transmission is slipping after a so called full rebuild. $1600 down the drain and that was all i could free up. It's drained me mentally and financially as this is the only issue I can't DIY. I feel like at this point, Only God himself could fix this...

I have a 2004 5.3L Z71 Avalanche with the 4L60E tranny with way too many miles on it. The tranny failed. I found another 4L60E in a 1999 4x4 Blazer with a 4.2L V6 that I replaced the bad one with. I swapped the bell housings and the transfer cases and put the Avalanche's back in the Avalanche...