Re: Transmission cooler line replacement

[ortfamily@xxxxxxx]

There should be about 7 lbs. of pressure on the tranny cooling lines. On my more recent restorations, I have used steel and double flared the ends. However, I have a Jeep with an automatic tranny that I have used for 25 years with rubber lines. Just keep them strapped up and away from heat. All you have to do is slip the rubber over a stub of steel, and clamp it down with a worm drive clamp. If the radiator has top and bottom cooler fittings, use the top one to receive the fluid from the tranny and the bottom one for the return. I put a piece of hose on both the lines from the tranny and put them in coffee cans. Then started the vehicle, put it in gear, and checked the cans for which one contained oil, hence it was the line to the radiator. 
Happy motoring.
Tom

On November 19, 2004 Roger Blake wrote:

> I'm working on an '86 Eagle that has seriously rotted and leaking
> transmission cooler lines. (This car has seen severe winter service,
> the fuel and brake lines were replaced previously. Though remarkably
> there is little rust on the chassis or body.)
> 
> It looks like it is going to be a bear to replace those lines. I
> had to remove the transfer case skid plate and the front driveshaft to
> get at the fittings on the transmission, and the lines still have to be
> cut for removal. It looks like there is almost nothing left on them that
> is usable.
> 
> How feasible is it to replace the metal tubing in whole or in part with
> rubber hose? A friend of mine suggested just hooking up fuel line to
> the appropriate fittings, using hose clamps. Not sure I like the sound
> of that -- how much pressure are we talking about here? Should I have
> special hoses made up? Or maybe the fuel line trick will work if short
> lengths are used to connect sections of metal tubing?
> 
> I know I've seen cars with at least some section of the tranny cooler
> lines in rubber, but never really paid attention to as to hose and
> fitting type. Any advice would be greatly appreciated!
> 
> --
>    Roger Blake
> 
>    rogblake@xxxxxxxxx
> 
> 
> .


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