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Old 03-07-2007, 03:13 PM
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Trans cooler lines

would there be any problems using rubber lines for the cooler lines?

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Old 03-07-2007, 03:59 PM
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No problem. Maybe a leak or two...
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Old 03-07-2007, 05:13 PM
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They make a special rubber line just for transmission coolers. It is made with material that is compatible with the trans fluid. You can get it at NAPA...just tell them that you want the hose that is rated for ATF. Do not use fuel line.
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Old 03-07-2007, 05:14 PM
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What Weirdbeard said with a heavy emphasis on the leaking. I double clamp all my joints and I STILL get leakage from time to time.
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Old 03-07-2007, 05:26 PM
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I have been using the correct rubber hose trans lines on my Coupe for 25 years, and I also use them on my Roadster no problems, you can double clam them as suggested.
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Old 03-07-2007, 06:06 PM
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You need to make sure the rubber hose ID is the same dimension as the metal line OD. Tight enough you have to just about force the hose on. If you are going to put a nipple in the tranny, there are ones that are tapered with ridges to "GRIP" the hose inside. These nipples, when properly sized, are leak free and clamping is not always needed.

Too many times the leaks come from too much clearance between the hose and what you are attempting to clamp it to. Then you can NEVER get the clamps to fully tighten down as they distort the hose to out of round. Double clamping on a tight slip fit, AKA minimum clearance helps seal them better.

You can also over tighten the clamps around the hose and actually cause leakage as the seal is compromised.

When you go to the parts store for the ATF compatable hose, ask to see their brass fitting section to find a good compatable metal part to attach the hose to. It comes out neater looking and much cleaner too.
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Old 03-07-2007, 06:17 PM
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I always run metal lines ... not that hard to do ... and the tools are not that expensive ...



Flaring tools are inexpensive also ...





Good tools do not cost money ... they save money ... but then .....
I never met a tool I did not want to own
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Old 03-07-2007, 06:23 PM
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Quote:
Originally Posted by Deuce

Good tools do not cost money ... they save money ... but then .....

I never met a tool I did not want to own


That is SSSSOOOOOOO true.
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Old 03-08-2007, 08:07 AM
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You can also use push-loc fittings and not worry about clamps.
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Old 03-08-2007, 02:25 PM
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My tranny had rubber-hoses, with double clamps... but not any more, it is a "high pressure" line we are talking about. There was no leak, but they did not look healthy when i removed them.

/Pete
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