I have an input clutch that won't pass air check. Took it apart, checked the new long-lipped seals, used Trans-Tec lip wizard, gooped everything up, input piston spins freely, ball checks are functional( don't leak),put ATF in apply orifice, applied 100 psi air. BTW 3rd clutch passes check. Input cl...

Thanks SuperHerman I have an email out to Triple Edge. My 2001 is actually my 19 year old boy's car. We bought it 6 months ago ,2 owner, 131K miles.most recent owner deceased; Carfax maintanence records had no record of timing belt or water pump change so that was done right away, Acceleration and s...

Looking to replace transmission in 2001 S80 T6 and have a few questions; Forgive me if these have been answered before. There is a heavy duty version 4T65EV-HD, allegedly used in the XC90. I know it is not a direct swap but.. What makes it heavy duty? Can the heavy duty internals be used in the 4T65...