Hello all. I got a fair amount of work done today. I need to know which of the cooler lines coming out of the transmission is fluid out and which is fluid in? I have to know the flow direction. I bought an inline tranny filter, mixing it with the Trishield/Wiese cooler kit for a TH400. It all works good on a 4l80e by the way. Just needed one brass elbow. I want to get er' dun' in the morning. Thanx.
1997 & later... Front trans line: out to cooler Rear trans line: in from cooler That's what the diesel guys say, anyway! Devon
doesn't matter for cooling purposes... they can be switched with no problem so dont let that hold you up...
Wow, thanx for the fast feedback guys. Mine is a 1993, there are in a very similar place as is a Th400. I have been looking around and I can't find info on the earlier model. I will keep looking. Thanx for your time.
I have found out that 91-96 have 2 in the front, like a TH400. 1997 & later have on in the front, and one closer to the tail. Flow direction is like a TH400. Which is just like a standing person. Food/fluid in the top, and the opposite on the bottom (gross, but easy to remember). Check this out. http://tciauto.com/tech_info/cooler_fittings.htm Thanx.
