8.1L Allsion puking transmission fluid
My 8.1L Allison started puking tranny fluid while running down the interstate yesterday. The truck was unloaded and not towing. I've done lots of reading and seems there is a couple of problems with s...
Forum Discussion
sc3283 wrote:
are brake lights stuck on? Do you drive with your foot resting on the brake pedal?
I know pre-allison GM trucks would kick out the lockup clutch in the converter when brake lights come on.
Ive never tried nor noticed if this occurs in my 04 1 ton Chevy(with allison)
No I don't. I am a one foot driver. I even thought about this as a possible problem since my Suburban did that exact thing years ago. Thanks for trying to help solve this guys. Talked with a tranny guy yesterday and he said it was either the TC or the internal electronics that have gone bad. Said most TCs of the Allison do not go bad, however he has done some that have. Not sure. Guess after vacation, I'll pull the pan and see what she looks like as well as the magnet on the spin on filter.
