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Message: <blockquote data-quote="FinkPloyd" data-source="post: 2047717" data-attributes="member: 434050">Well the heater core in the JIMMY is actually under and behind the dash. Meaning you have to take the entire dash off before you can remove the heater core cover and take it out. Of course you need to disconnect the heater core hoses under the hood first. Then begin to take the dash out. I had to change mine a few weeks ago and what me and my dad did was actually just unbolt the dash and lifted the entire thing up, everything still connected, and changed the heater that way. Took a lot of work but we managed to get it in.The heater core for my truck only cost me around $35. It should be around the same price range.I agree with the person below. If you're not having those problems then its not the heater core. Mine was spewing coolant onto my passenger floor.</blockquote>