Jan 15, 2020 · If you're experiencing a clogged heater core in your Jeep Wrangler, especially a 2012-2017 model, here's what might be happening and how to address it: * **Coolant Contamination:** …

Nov 29, 2017 · The Jeep JK Wrangler heater core is prone to clogging, often due to casting sand left in the engine block. This can cause cold air on the driver's side. Dealership replacement can be …

Jan 9, 2025 · Yes, age-old with same general concensus, clogged heater core. Several good videos of how to "power flush" core only with a garden hose on YouTube. I did this to mine 3 years ago and …

Jan 19, 2012 · Clogged heater core. Jump to Latest 27K views 14 replies 10 participants last post by Digger84 Oct 28, 2013 C

Dec 12, 2015 · If your Jeep JK's heater is producing little to no heat, especially on the driver's side, it's likely due to a partially clogged heater core. Flushing the core can sometimes restore heat, but the …

Nov 23, 2020 · I think the heater core is plugged and when trying to run the heat it stops the water flow. The early years of the 3.6 had some issues with what was referred to casting sand left in the …

Nov 24, 2022 · The comment about the heater core being clogged seems legit, wouldn't have thought about that. Out of curiosity what is the outside temperature when it's running at 150..... Although I …

Jan 8, 2020 · * **Clogged Heater Core:** A clogged heater core is a frequent culprit. This can be due to casting sand left over from manufacturing, or mixing different types of coolant which creates sludge. …

Apr 7, 2016 · 1. Heater core gets clogged. Generally due to mixing antifreeze. 2013+ use Purple OAT antifreeze and 2012- use Orange HOAT antifreeze 2nd. Heater flapper that regulates the …

Feb 3, 2025 · The hose from the radiator to the coolant overflow bottle can develop small cracks, and suck air when it is trying to pull coolant back from the bottle. This can also happen in other areas of …