Heater not blowing any warm air - what could be.

Tiny
LUWORM
  • 2000 CHEVROLET BLAZER
  • 100,000 MILES

Heater not blowing any warm air - what could be the cause? I replaced the thermostat. That did not help. Am wondering if could be water pump?

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Tuesday, December 11th, 2012 AT 12:11 AM

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Tiny
ASEMASTER6371
  • EXPERT
  • 25,525 POSTS

Make sure the hoses are hot going to the heater core. It may be clogged with dirt from over the years.

Roy

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Tuesday, December 11th, 2012 AT 12:45 AM

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