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Trans Fluid Cooler Line Connections gm 5.7l/4l60e ?

  • popoften
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7 years 10 months ago #18831 by popoften
I am putting the drivetrain back into my '94 Chevy Suburban. Project has been on hold for several months, and I need to reconnect the two trans cooler metal lines at the side of the trans case. I don't remember this detail for sure, so I thought I would ask. Is the upper hole on the trans case supposed to connect via one of the two lines with the upper fitting on the radiator and lower to lower? It has been so long I do not remember for sure. Don't want to connect up the wrong way.

Thanks! ~ Pop

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  • Tyler
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7 years 10 months ago #18844 by Tyler
Hey sir! Did you have any luck with your power steering pulley?

I think you're right about the line routing. Top to top, bottom to bottom. If it makes you feel any better, there's no check valve or anything in these lines that I'm aware of, so I don't think there'd be any catastrophic consequences if you got it wrong.

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7 years 10 months ago #18888 by popoften
Thank you Tyler!

I installed so it is top to top and bottom to bottom. Bends in lines wrapped around side of engine most naturally that way as well.

~Pop

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