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Heater hose and tranny lines

Discussion in 'The Garage' started by willyrocket, Feb 11, 2007.

  1. willyrocket

    willyrocket Registered Member

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    90 Blazer with 350/700R4. Trying to finsh up rebuilt motor install. Its been out awhile and I need to figure out 2 things.

    1. Replaced heater core, which line goes to the block and which one goes to radiator.

    2. Transmission lines from tranny to radiator. Going to install tranny cooler and need to know which line is the return line. Is it the top or bottom on the radiator?

    Cant wait to get er done and show her off!!!!!!!!!!!!!!
     
  2. thfonz98

    thfonz98 1/2 ton status

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    91 k5 350 700r4(4l60)
    1. Bottom to block, top to radiator
    2. bottom of radiator from tranny, top of radiator to tranny
     
  3. lurtch-k20-(78-90)

    lurtch-k20-(78-90) Registered Member

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    I am assuming this is one of those great things that is interchangable throughout all chevy's?:bow:
     
  4. HarryH3

    HarryH3 1 ton status Author

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    The heater hoses are 2 different diameters, so it's pretty difficult to hook them up wrong. ;)
     
  5. willyrocket

    willyrocket Registered Member

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    Just what I needed, just to confirm, top tranny line from radiator is the return line.

    Thanks again and I owe ya a beer.....
     
  6. willyrocket

    willyrocket Registered Member

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    Dont have my radiator yet, and I swapped out the connection on the manifold, so I just wanted to be sure....

    I labeled and tagged everything else, even snapped some pics, but for some reason I didnt think of the heater hoses...

    Thanks again.
     

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