HEATING BLOWS COLD AIR I JUST REPLACED HEATING ...

  • Tiny
  • Anonymous
  • 2005 Chevrolet Suburban
  • 120,000 miles

Heating blows cold air, I just replaced heating module sometimes it blows hot and then blows cold.

Sunday, December 30th, 2012 AT 6:58 PM

1 Reply

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Why did you replace the module?

Low coolant level, bad thermostat, clogged heater core bad blend door actuator or blown head gasket from overheating

Roy

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Sunday, December 30th, 2012 AT 7:18 PM

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