2004 Ford F-250 Heater blows cold air

Tiny
DANDDSCHULTZ2
  • MEMBER
  • 2004 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 67,000 MILES
My heater blows cold air when parked, but blows warmer when the vehicle is moving.
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Wednesday, December 23rd, 2009 AT 9:51 PM

1 Reply

Tiny
JAYBIN82
  • MEMBER
Are you low on coolant? If not you might have a air bubble in the coolins system, let the truck heat up to normal temp. You should have at least 1 bleeder valve. (By the thermostat, water pump, or on one of the lines from the heater core) open one or all the bleeder you find. They should spit a steady stream. So bleed untill it does, might have to close them shut off the truck let it cool and repeat. Hope it helps
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Wednesday, December 23rd, 2009 AT 10:22 PM

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