SO MY ENGINE WARMS UP PROPERLY

  • Tiny
  • Anonymous
  • 1993 Chevrolet Blazer
  • 170,000 miles

So my engine warms up properly. My heater blows only cold air even on defrost. What would cause this

Sunday, January 6th, 2013 AT 2:56 AM

1 Reply

  • Tiny
  • rasmataz
  • Member

Check the thermostat, heater core and the air blend door-

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Sunday, January 6th, 2013 AT 3:00 AM

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