2012 Jeep Wrangler Heater Core Problems

It is a 4wd convertible.

2012 jeep wrangler heater core problems.

This demonstration is for 2012 2018 jk wranglers with 3 6l pentastar engines. After doing some research i learned that this is a common problem with the wranglers and is likely caused because casting sand had not been. Those are the only issues. I was having a heating issue a little heat on the passenger side and none on the driver side.

In this video i ll show you an easy way to replace your heater core saving you countless hours on a costly repair at the dealership. Everything else has been awesome. If your jeep wrangler s heater has stopped working this process has failed in one way or another. If it does not than the heater core is clogged and must be replaced.

No heat on the drivers side. Remove the heater core intake and exhaust hoses by unfastening the clamps with a flat head screwdriver. 2012 jeep wrangler sport heater core went at 120 000. I just dropped off my 2012 wrangler sport.

The intake and exhaust hoses run from the top of the radiator into the passenger side firewall. The worst complaints are heater not working burning smell when heater on. When your jeep reaches its optimal temperature its thermostat opens and allows that coolant from the cooling system to flow through the engine removing heat and sending it into the radiator then into the heater core which ultimately distributes it into the jeep. That s why no heat.

Casting sand from the engine block. 2012 jeep wrangler ac heater problems with 26 complaints from wrangler owners. The most common complaint is no heat output or lack of heat on the driver side. Had a cylinder 2 misfire due to a known issue with the engine.

The water should run freely into one hose and out the other.