LS4 Trans puking ATF
Thread Starter
Teching In
Joined: Dec 2015
Posts: 7
Likes: 0
LS4 Trans puking ATF Hey guys, my transmission started slipping last night so i immediately pulled over. I could see and smell ATF drizzling from the bottom of the pan. I limped it to a shop i had access too and lifted the car up. I cannot see exactly where it is coming from but i know it's not the pan or CVs. I removed the plastic cover from the bell housing for the Flexplate and saw that it was leaking from something inside there. Anyone have any idea of what I'm dealing with here? The Trans was slipping from lack of fluid because it shifts perfectly fine when i added more and before it leaks out.
TECH Fanatic
Joined: Jun 2007
Posts: 1,316
Likes: 3
From: Dolla$ , TX
Seal between the torque converter and the output shaft if that is where you saw it coming from. Or you got a hole in your torque converter, "unlikely",lol
Regardless the trans has to come out so, labor that's 300-600$ alone. If you have another vehicle to drive in the mean time, might be time to get a TEP Trans built so you don't have to worry about it, i also suggest having TEP Build it. I've seen many people who have the TEP kits sent to a local trans builder only to have to do it 2/3/4/5/6 times due to failures from the "local" trans shop just being a bolt out, bolt in repair shop. Instead of understanding clearances, wear, etc.
Regardless the trans has to come out so, labor that's 300-600$ alone. If you have another vehicle to drive in the mean time, might be time to get a TEP Trans built so you don't have to worry about it, i also suggest having TEP Build it. I've seen many people who have the TEP kits sent to a local trans builder only to have to do it 2/3/4/5/6 times due to failures from the "local" trans shop just being a bolt out, bolt in repair shop. Instead of understanding clearances, wear, etc.
TECH Fanatic
Joined: Jun 2007
Posts: 1,316
Likes: 3
From: Dolla$ , TX
Honestly when you buy these cars, it should be bought knowing your going to be dropping a few grand on the transmission. Some people get lucky and can get 100+ k on their transmissions but its not realistic. So, at least once you get a transmission built and put in, you literally wont have to worry about it anymore. Having my TEP trans built was the best thing i did for the MC. I bash the hell out of it 100% of the time. I've had it for a year now and shifts as good as it did the day i put it in.
