Our refrigerator would lose its cool.

I found that the evaperator coil was freezing up solid, not allowing air flow. Something was wrong in the defrost circuit. After troubleshooting, I found that the defrost timer was okay, as well as the fan. The only thing left was the temperature switch (thermostat). I found the part online for a reasonable price and ordered it. The part actually came the next day, I was amazed. I removed the old part by cutting the wires. Then I snapped in the new thermostat and crimped the wires back together (color-matched). It was that easy and I saved myself hundreds of dollars. Great service!