I'm a DIY mechanic since i grew up and manage the family farm. When my heater core sprung a leak and deposited a gallon or two of sticky orange OAT coolant on my passenger's feet. The estimates for a shop to replace the heater core ($110 @ Napa) was about 2000-2500. I opted to do this myself, buying the necessary tools. The disassembly, replacement and reassembly took about 10 hours and went back together with some YouTube walkthrough videos. The downside is the actuators for the single zone manual temperature control (MTC) HVAC system no longer work consistently, and the service manuals i bou… Read complete