rubber hoses and trans cooler 4l60e
rubber hoses and trans cooler 4l60e Some one was telling me that i couldnt use the rubber hose and barb fittings to install my trans cooler because the preasure in the 4l60s is just too high and it will blow the lines off. Is this true or was this person just full of it.
thanks in advance
Jon
thanks in advance
Jon
TECH Resident
Joined: Mar 2005
Posts: 943
Likes: 0
From: Texas
I used some Aeroquip high temp engine hose, rated @ 450*F and 1000 psi. The pressure running through those lines is not much, but the volume of fluid is a lot, so don't go smaller than 3/8" (5/16" is the absolute mininum size). I would stick with the radiator unless you are going to install 2 - 24,000 lb coolers.
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Originally Posted by slowrollin93
Some one was telling me that i couldnt use the rubber hose and barb fittings to install my trans cooler because the preasure in the 4l60s is just too high and it will blow the lines off. Is this true or was this person just full of it.
thanks in advance
Jon
thanks in advance
Jon
TECH Apprentice
Joined: Nov 2008
Posts: 322
Likes: 30
From: Arizona
I see this is an old post but none the less...
I'D NOT USE THE BARBED FITTINGS FOR TRANS COOLER HOOKUP.
They likely WON'T break off, but if they DO the consequences are catastrophic, like a blown transmission if you don't catch it quickly enough.
Use Fuel fittings and connections. When they are connected you KNOW they are a secure fitting. Those barbed fittings are cheap junk. Search YouTube you'll see people who blew their transmissions when they THOUGHT the barbed fitting was secure but it wasn't.
AN6 fittings are probably slickest way to do it. Otherwise, flare aluminium hose and use hose nuts.
My kit came w/ those junk barbed fittings and I put them where they belonged. In the garbage. Last thing you want to do is save $30 using them only to blow your transmission.
Rubber hose is fine otherwise so long as it's rated for enough pressure. I don't think there's more than 100PSI in the cooling lines (don't quote me), if you get hose rated for several hundred PSI you'll certainly be fine. Also make sure the hose isn't rubbing on anything, or it'll eventually break.
I'D NOT USE THE BARBED FITTINGS FOR TRANS COOLER HOOKUP.
They likely WON'T break off, but if they DO the consequences are catastrophic, like a blown transmission if you don't catch it quickly enough.
Use Fuel fittings and connections. When they are connected you KNOW they are a secure fitting. Those barbed fittings are cheap junk. Search YouTube you'll see people who blew their transmissions when they THOUGHT the barbed fitting was secure but it wasn't.
AN6 fittings are probably slickest way to do it. Otherwise, flare aluminium hose and use hose nuts.
My kit came w/ those junk barbed fittings and I put them where they belonged. In the garbage. Last thing you want to do is save $30 using them only to blow your transmission.
Rubber hose is fine otherwise so long as it's rated for enough pressure. I don't think there's more than 100PSI in the cooling lines (don't quote me), if you get hose rated for several hundred PSI you'll certainly be fine. Also make sure the hose isn't rubbing on anything, or it'll eventually break.
Joined: Nov 2001
Posts: 34,647
Likes: 2,574
From: Schiller Park, ILL Member: #317
Going to lock this one down as it's from 2006.
FWIW, I've had barbed fittings and (good quality, trans fluid specific) rubber cooler lines on my '98 for nearly 20 years now. No failures, no issues. I use fuel injection clamps though, as recommended by FLT above. If the hose is the correct size (e.g. don't use 11/32" when it's supposed to be 5/16") for the barbed fitting AND good clamps are used, there shouldn't be any issues.
But that doesn't mean that it's wrong to do it another way. More than one method will work here, and be reliable over the long term.
FWIW, I've had barbed fittings and (good quality, trans fluid specific) rubber cooler lines on my '98 for nearly 20 years now. No failures, no issues. I use fuel injection clamps though, as recommended by FLT above. If the hose is the correct size (e.g. don't use 11/32" when it's supposed to be 5/16") for the barbed fitting AND good clamps are used, there shouldn't be any issues.
But that doesn't mean that it's wrong to do it another way. More than one method will work here, and be reliable over the long term.
