join the inlet and outlet hoses together.
To bypass the heater core you need to remove the two water hoses going through the firewall from the engine compartment to the heater core and connect them together so that the water loops around back to the engine.
No , if you were to bypass the heater core , you would have no heat
Just un hook the hose's from heater core and put a piece of pipe in them or something and hook them together.
Follow the heater hoses to the firewall. There should be 2. disconect them from the heater core, then insert a 5/8 hose bib and clamp them together.
Remove the water supply lines from your 1990 Ford E3 50 heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
Take both heater hoses off at the heater and the hose running from the front, attach it to the rear of the engine.
Find the two hoses that go to the heater core, usually 3/4 in. hoses, and connect them. It's very simple.
you would have to bypass the heater core first.
Heater coolant bypass pipe It would be the return hose for the heater.
did the heater core start leaking? anyway you should have no problem with the air if you bypass the heater core.
Upper and lower radiator, inlet and outlet heater core, bypass,Upper and lower radiator, inlet and outlet heater core, bypass,