VCCA Home Forums Thread Like Summary - 1984 truck - heater draining on floor

I’m pretty sure the heater core underneath the dash is leaking onto the passenger side floor of my truck. How do I best disconnect the heater core from the engine block? Do I need to loop the hose?

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The proper way to taken the heater out of the system is to plug both hose ends at the engine but a field repair is to remove 1 hose from the heater and the other hose from the engine then connect the 1st hose free end to the engine fitting for the other hose.
Tony