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  1. #1

    Default Can someone tell me whats going on with the heater core?

  2. #2


    Its just got the hoses all plugged with bolts and Im not sure whats going on there.

  3. #3


    looks like someone cut the hoses off. You'll need to replace the hoses to the heater core to have heat

  4. #4

    Join Date
    Jun 2006
    River Ridge Louisiana-4 miles W of New Orleans-didn't flood-water stopped 800 yards away.


    The PO must have bypassed the heater core because it leaked.
    The leaking is a pure guess, but I can't think of a good reason to bypass it other than a leak ( where is it from-a cold climate or a warm climate).Of course the leak could have been in a hose, but most folks would just replace a hose-maybe not an entire core-big PITA to replace a core.

    1998 suburban-
    1/2 ton

    199500 miles

  5. #5


    My friend is looking at it. Its in a cold climate for the most time haha. Like canada hahaha. But its in a s10 so do you think maybe the hoses were cut when the 350 was swapped?

  6. #6


    Before connecting the system back together I'd pressure test the heater core.
    It could be disconnected because of the 350 transplant, but the heater core would help circulate anti freeze and help keep the engine running cooler.
    350 swaps are notorous for overheating, this is usually because most times they dont upgrade the radiator at the same time.

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