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1998 Ford F-150 Question: is there a check valve in the heater hose that goes to heater core



garyfgallant, Mechanicsburg, IL, January 05, 2013, 14:43

i can blow through one way but not the other and theres a factory clamp on the hose witch is holding somthing

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  • Answer #1

    January 05, 2013, 17:06

    i doubt that there is a check valve maybe a heater core valve

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