Jus changed the thermostat in the 06 3. Heater was blowing cold air. It was a PITA to remove especially the top bolt of thermostat housing. It was very easy to install tho. I did ditch that band clamp that u squeeze for a hose clamp made the install much easier. The new part was $40 at autozone. Heater is now blowing very hot air n is much needed in the 22 degree moRnings. Couldn't have done it without this forum