Quote Originally Posted by G.C View Post
You should check out the basic stuff out before replacing your thermostat. Probably which you need to replace.

Check to see if your Radiator Fan is kicking in.

Check to see if you have enough Coolant in your Radiator.

Check to see if your radiator has any air in it. Just run the car with the cap open, if you have any air it will burp it out.
lol run hot ftl.

its simple fix! cover half the front of the radiator with a pice of cardboard.
when your driving, the cold air cause the anti-freeze to cool down too much causing no heat from the air vents.