MY HEATER ISNT BLOWING OUT HOT AIR I TURN IT ON ...

  • Tiny
  • Anonymous
  • 1979 Ford Bronco
  • 308,000 miles

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

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 44,295 posts

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.

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Saturday, December 22nd, 2012 AT 5:52 PM

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