Jeep Wrangler Heater Heater Core

I Bypassed The Heater Core Until I Can Get Funds To Change It But The Bypass Hose Gets Really Hot Coming From The Thermostat Housing What...

My Jeep Is Running Hot. I Changed The Thermostat And Water Pump And Did The Whole Heater Core Flushing System. And When I Turn On The Heater...

How Do I Stop Unwanted Air From Coming Into The Cab Of My Jeep From Around The Heater Core? I Had The Heater Core Replaced And Now I Have...