My rebuilt tranny on my 05 GC SXT (which is now out of warranty)
Now that it has gotten colder, when the car sits( after work) it wil not go into reverse. If I rev the engine, let it return to idle it goes into R just fine and works like new. It shifts fine- works great
Fluid only has 14k on it, level is perfect.
The tranny shop that did the rebuild is hopless- going back is not an option