Rubber tranny lines - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-05-2004, 09:11 PM   #1
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Default Rubber tranny lines

This is the second time i had to replace them.
Anyone know what the ID of the rubber line is?
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Old 12-06-2004, 09:59 AM   #2
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Don't know the GM part #, but I've had good luck at my local parts house (Arnold Motor Supply) buying generic transmission cooler hose. I think it is made by Gates. It is specially formulated to handle the heat and pressure and it is pricey, but it holds up fine.
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Old 12-06-2004, 02:11 PM   #3
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3/8 fuel line from a local hardware store works fine
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Old 12-06-2004, 11:25 PM   #4
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I bought 3/8 fuel injection hose and it'* lookin pretty good.
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Old 12-07-2004, 12:16 PM   #5
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For regular maintenance I replaced the 2 tranny cooler lines in my '92 with fuel line and within a couple of years one of the 2 hoses ruptured and left me stranded (and could have caught fire!). It was a mess, there was tranny fluid all over the engine compartment. Fortunately, I noticed the smoke before it caused any serious damage.

I replaced mine with high pressure tranny hose. I'll never use fuel line for the tranny cooler lines again.
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Old 12-07-2004, 12:44 PM   #6
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Mine are deteriorated.. they leak upon initial startup. A small puddle, maybe a tablespoon full. But doesn't leak after that. Weird I know.. I'm just going to get an aftermarket cooler, and replace the lines when I do that.


-justin
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Old 12-07-2004, 01:42 PM   #7
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on my 90, they just ruptured but they were metal and on the 94 they are doing the same but i am going to replace them again. I just had to replace them when i had my wreck a few months ago but these leak as well.
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