4l80e conversion premature failure: Beware rear cooler line fitting
#27
TECH Addict
iTrader: (7)
I have been told that the fitting can also extend too far into the center support resulting in poor lube. Can this happen? See how half the hole is blocked if you slide the fitting all the way in. There is definitely nothing going in there if you don't use the fitting with a nipple.
Center support with seal
Fitting inserted
Center support with seal
Fitting inserted
#28
TECH Fanatic
iTrader: (3)
Can we get this added to the GM drivetrain sticky list? I came from a 5speed so just did 6an hookups. This error likely had a large role in killing 2 brand name 4l80 builds and a ton of trouble/work/money from the builders to end user. Those who are new to these trucks/trans can easily overlook this.
#29
TECH Senior Member
iTrader: (10)
Join Date: Oct 2004
Location: Crystal Springs, MS
Posts: 14,068
Likes: 0
Received 2 Likes
on
2 Posts
Why do most of them fail but a few of them have no problems?
Like mentioned earlier, i went years on the wrong fittings and last time i had the pan off everything looked good.
Like mentioned earlier, i went years on the wrong fittings and last time i had the pan off everything looked good.