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    02 Chevy Silverado 5.3L heater hoses

    This is how the lines currently run. The first picture is from the coolant tank to the 3-way in the lower radiator hose. The third shows where the line was rerouted from the block. The second shows the connections from the heater core.
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    02 Chevy Silverado 5.3L heater hoses

    That helps so very much. Thank you!!! I’ll hopefully have heat back in the truck today. The yellow line that goes from the coolant overflow tank... is there supposed to be a 4-way connector there at the radiator hose? Currently mine goes from the tank to a 3-way at the radiator hose.
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    02 Chevy Silverado 5.3L heater hoses

    Can anyone take a picture of the entire route of both hoses please? The PO of my truck bypassed the heater core, and I’m trying to fix it properly. I have both hoses including the one with the Y split, I simply cannot for the life of me figure out where they go. There’s no plugged off port or...
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