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My heater isnt blowing out hot air I turn it on.

Tiny
ANONYMOUS
  • MEMBER
  • 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
  • MECHANIC
  • 48,601 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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