How to Test if Your Car's Thermostat is Working (Without Removing It!!)

This is a quick and easy to test to see if your car's Thermostat is operating correctly, without having to remove it!! The video also covers common symptoms of a broken Thermostat, in both open and closed positions. USEFUL LINKS: 1) How to replace your Thermostat (Grand Caravan/Town & Country): https://youtu.be/UKtnyxDzjOY VIDEO BY YOU WRENCH