drain the cooling system, follow the hoses from the water pump, find the one that goes into the firewall, disconnect it and there should be one right next to it coming out of the firewall, disconnect that one as well and use a standard Plumbing fitting to join the two hoses, refill the cooling system and you're done
You don't bypass it, you replace it. It doesn't cost that much
Heater lines to rear are leaking and I need temporary, emergency bypass.
A bypass solenoid valve speeds up the warm up phase of an engine, and a faster temperature rise in the passenger compartment is achieved.
It's a heater core, a small radiator for the cars heating system, and not a coil. However, in order to bypass it you just need to find the two hoses leading into the core through the firrewall from the cooling system, cut, and loop them together.
a bypass
Unplug the clutch.
Disconnect the send and return lines to the heater core and connect them together
It is possible but you have to know what you are doing.
Use Metra kit 70-8116 wiring harness to bypass the jbl factory amp on a 2000 Toyota Highlander. JBL amp is located behind the passenger quarter panel.
The passenger airbag is on a Weight Detection System. The only way to enable it is to Bypass the weight detector.
You have to connect the both hoses that go into the heater core on the passenger side but that will throw codes and you will have a light on the dash
if you cant afford to fix right away and you dont need your (location and weather permitting) heat / defrost. just bypass the heater core. Theres no real risk of fire,but possible burns to the passenger or driver if it does decide to burst.plus its smelly and can ruin the carpet and rust the floor boards over a period of time. You can bypass the hoses at the fire wall (under the hood) by mating them together.