[wafrederick]

I agree also,broken sunshell and it is a very common problem.The aftermarket hardened ones do break also and I know a transmission shop that has seen that happen.Also have this done,5 black springs in the direct clutch drum and there is one thing to do with them: THROW THEM AWAY!GM says to put them back in and the aftermarket says to throw them away.The aftermarket is right and GM is wrong.Those 5 black springs restrict the clutches from floating easy,burns one clutch out and the rest are toast later on.