Here's Some Pics Of My Tranny Cooler Install
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From: West Of St Louis, MO
Here's Some Pics Of My Tranny Cooler Install
Here's a couple of photos I took of how I installed my transmission cooler. This method allows the fluid to run through the factory cooler in the radiator, then through the aftermarket cooler, and return to the tranny. The beauty of this is that instead of replacing the entire return line if you want to go back to stock configuration, you can take off just the "hard line" from a salvage yard truck with an 11/16 wrench and a "quick disconnect" tool.
I cut the hard return line roughly in half between the top radiator fitting and the rubber part of the line - where the quick disconnect is. I used a tubing bender to bend each end of the line forward, ( so it didn't kink) and flared the cut ends to hold the hose better. The lines run through the rubber flap next to the radiator and right to the cooler. The beauty of this is that I can take my little quick disconnect tool to the salvage yard and get another hard line - so if I want to go back to stock it only requires a 11/16 wrench and the quick disconnect tool! This way, I believe, is better any way because I didn't have to cut the stock rubber line. I can put the short piece of steel line right back in if I want - and the radiator in a salvage truck can be crunched and I can still use the tranny line if it's not bent! Silver - you were right about the Hayden Fitting kit part number "396", the problem was that NOBODY around here has one. Kinda weird considering the freakin truck was made 30 miles from my house!
I cut the hard return line roughly in half between the top radiator fitting and the rubber part of the line - where the quick disconnect is. I used a tubing bender to bend each end of the line forward, ( so it didn't kink) and flared the cut ends to hold the hose better. The lines run through the rubber flap next to the radiator and right to the cooler. The beauty of this is that I can take my little quick disconnect tool to the salvage yard and get another hard line - so if I want to go back to stock it only requires a 11/16 wrench and the quick disconnect tool! This way, I believe, is better any way because I didn't have to cut the stock rubber line. I can put the short piece of steel line right back in if I want - and the radiator in a salvage truck can be crunched and I can still use the tranny line if it's not bent! Silver - you were right about the Hayden Fitting kit part number "396", the problem was that NOBODY around here has one. Kinda weird considering the freakin truck was made 30 miles from my house!
Last edited by Racinfan83; May 13, 2010 at 11:35 AM.
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Joined: Aug 2005
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From: West Of St Louis, MO
RE: Here's Some Pics Of My Tranny Cooler Install
No - I don't have a tranny temp guage. I did this mainly because the tranny has had to be rebuilt twice in 60k miles, it only cost me $46 for the cooler, and I figured it sure wouldn't hurt! The cooler is a Flexalite rated for 16,000 lbs. They have smaller and larger ones, I rarely tow anything so I went for the middle size. I live in the suburbs of St. Louis and have about a 22 mile drive each way to work - city and freeway. I imagine from some of the other posts I've read that the temp dropped 20 degrees or so.
