2000 Chevrolet Blazer Heater Blowing Warm Air Could Cause Replaced

2000 CHEVROLET BLAZER
100,000 MILES
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LUWORM
  • MEMBER
  • 1 POST
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?
Dec 10, 2012 at 4:11 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
make sure the hoses are hot going to the heater core. it may be clogged with dirt from over the years.

Roy
Dec 10, 2012 at 4:45 PM
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