My heater isnt blowing out hot air I turn it on and it just pushes out cold air I just replaced the thermastat and put fresh anti freeze in and still doesn't blow warm or hot air
Saturday, December 22nd, 2012 AT 4:33 PM
If you have a water valve on engine check to see that both hoses are hot where they enter/exit heater. If one is cold and leads to wter vavle replac eit. Check for a vacuum leak on hoses inside truck as well as one leaading to heater.
Please consider a donation to help us answer more questions.