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Transmission Cooler Lines

Discussion in 'The Garage' started by tcoker79, Dec 6, 2006.

  1. tcoker79

    tcoker79 Registered Member

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    OK, so I like to play in the mud, pretty hard at times!!! It seems I've cracked the built in 30 year old transmission cooler lines.:doah: My question is what is the best route of replacement, original hard line replacement or maybe some sort of braided or flex line. What do you guys think?
     
  2. dontoe

    dontoe 3/4 ton status GMOTM Winner

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    I've got a stock set you can have if it ain't to far ta drive! :wink1:
     
  3. tcoker79

    tcoker79 Registered Member

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    I appreciate the offer and I may take you up on that but the question is what did you replace your stock set with!
     
  4. big dan

    big dan 1/2 ton status Premium Member

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    when me and my dad replace transmissions we build new lines from hydraulic hoses and the correct fittings. he works as a tractor mechanic and builds hydraulic lines so we get the stuff real cheap, plus we have all the tools to build them the correct length and size and have access to millions of fittings and hose sizes. if you've got that kind of hook up thats what I would do, otherwise pick up a set of stock lines.
     
  5. xpndbl3

    xpndbl3 1/2 ton status

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    5/16" brake line from any parts store should do the trick, take one of the fittings and hose ends off your truck to match up. I believe I used the 52" and 60" lines respectively. Total cost $6.00 and you bend the lines with your hands instead of wasting time with a tubing bender.
     
  6. tcoker79

    tcoker79 Registered Member

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    Anybody have any flexible options, I'm just worried that I will just split another hard line.
     
  7. lurtch-k20-(78-90)

    lurtch-k20-(78-90) Registered Member

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    1/2 inch inverted flare, on #6 hydraulic hose, won't be cheap, but if you can isolate the hose from vibration (against the frame) they will last a long time, this is what I did on my truck and I am very pleased.
     
  8. dontoe

    dontoe 3/4 ton status GMOTM Winner

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    They are from junking a truck. K-10 w/350/350/208 :wink1:
     

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