1991 Pontiac Firebird After Replacing Heater Core Still Get Heat Good Flow

1991 PONTIAC FIREBIRD
120,000 MILES
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ANONYMOUS
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  • 1 POST
After replacing my heater core, I still get no heat. I have good flow from the water pump and my thermostat opens and closes. ?
Dec 11, 2012 at 12:06 AM
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HOMER1967
  • ✓ASE Certified Mechanic
  • 875 POSTS
  • ASE Certified Mechanic
you probably have a heater door or blend door issue.when you change the air control from hot to cold do you hear any noise under the dash? like something opening or closing?
Dec 11, 2012 at 12:41 AM
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JACOBHALL
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  • 1 POST
Homer.. that happens to me. Like somethings opening closing loud. No hot air and car never overheats.
Dec 17, 2012 at 6:51 PM
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