bad move. if the converter failed, and that is if it failed, metal has been put into the system and has contaminated the whole trans. besides, with the new one installed, it will contaminate that one as well.
you can get it aftermarket at a parts store or get a new one from the dealer.
OK, thank you- it hasn't failed, I have had that rumbling at 40 mph for about 4 years and just want to address it now that we know what it is! In that case, do you still say don't replace torque converter only?