Leak:Engine-Side-Hose TO-> Heater Core (1991 Celica)

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Leak:Engine-Side-Hose TO-> Heater Core (1991 Celica) I've got a water leak on a 91 Gen 5 Toyota Celica, that's 1 of the 2 lines going to the heater core, inside the engine-side of the firewall. I'm looking for someone's "easy" experience/tips to replace the hose: Thanks kindly! Quick video: Hmm... no active links... www youtu.be/8G5xQmjRNCQ www youtu.be/e2JkNgtxRt0 www youtu.be/nr5tP7ai6lk www youtu.be/VEDHiVeQ6FE