How To: Fixed my leaky trans cooler lines - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 2 (permalink) Old 04-10-2016, 08:17 PM Thread Starter
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How To: Fixed my leaky trans cooler lines

Did my TB and H2O pump a couple weeks ago and noticed my trans cooler lines were soaked in fluid. Got to doing them today. No pics, I am sorry.

I did not replace the entire line and I did not need to do any flaring.

I needed 4.5 feet of Gates 11/32 Transmission Hose, fuel injector clamps, some ATF +4 along with my tools, the most important one being a dremel.

Like most LH owners, my lines were leaking at the crimp and where they met the rad/cooler.

I removed the radiator support and radiator fans to start. I then disconnected the transmission pressure line from the top of the radiator, followed by the lower return line connected to the cooler.

I then went under the car and bent the metal lines slightly to bring the hoses and crimps underneath the engine cradle so they were easy to work on. From here, many people cuttoff the metal pipe before crimp with a pipe cutter and either A) attach a new rubber hose with two hose clamps or B) Flare the pipe and then re-attach new hose with clamps.

Method A risks your hoses blowing off and losing all your fluid and B is a great method, but I didn't have a pipe cutter or flaring tool.

What I did was use my Dremel with a cut off wheel and cut away the metal crimp. After removing all the metal crimping (it cuts away easily), I pulled off the old rubber hoses. Underneath the rubber hoses is a nicely flared piece of metal piping.

I cut my new hoses to the same lengths as the old hosing, secured them to the metal lines with the fuel injector clamps, routed the lines back to where they used to be and re-secured the ends to the radiator and cooler with fuel injector clamps.

Added half a pint of fluid and fired the car up to check for leaks. Finally, put the rad fans back in and everything back to where it belongs. Took a spin around the block, checked my fluid level and called it a day.

Last edited by Leon22; 04-10-2016 at 10:30 PM.
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post #2 of 2 (permalink) Old 04-10-2016, 09:03 PM
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Quote:
Originally Posted by Leon22 View Post
...What I did was use my Dremel with a cut off wheel and cut away the metal crimp. After removing all the metal crimping (it cuts away easily), I pulled off the old rubber hoses. Underneath the robber hoses is a nicely flared piece of metal piping.

I cut my new hose to the same length as the old hosing, secured it to metal line with the fuel injector clamps, routed the lines back to where they used to be and re-secured the ends to the radiator and cooler with fuel injector clamps...
I underlined my favorite parts of what you did: flared metal to keep the hoses secure, and fuel injection clamps. Good project done right!
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