GM Pump Rub in Transfer Case
GM transfer cases 261 and 263 are prone to a condition known as Pump Rub. It is where the pump used to circulate the fluid in the transfer case wiggles back and forth wearing a hole in the transfer c...
Forum Discussion
We took our 2006 Duramax in and had to condition fixed before it became a problem. We plan on keeping the truck so it needed to remedied.
