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Heater is not blowing hot

Tiny
TONYBUM13
  • MEMBER
  • 2000 CHEVROLET S-10
  • 37,000 MILES
2000 Chevy S-10, 4.3L, heater blowing luke warm air, new thermostat, just back flushed core, all controls seem to b working properly, any suggestions? Thanks.
Wednesday, January 4th, 2012 AT 3:24 AM

5 Replies

Tiny
TONYBUM13
  • MEMBER
  • 12 POSTS
Heater hoses-1 is hot and one is cool, but back-flushing core resulted in air moving freely n both directions!
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Wednesday, January 4th, 2012 AT 3:26 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Heater core needs to be replaced. Not enough is flowing.

Roy
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Wednesday, January 4th, 2012 AT 3:38 AM
Tiny
TONYBUM13
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Hoping it wasnt that, but oh well, could low coolant have anything to do with it?
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Wednesday, January 4th, 2012 AT 3:45 AM
Tiny
ASEMASTER6371
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Yes it can. Make sure it is full and re check.

Roy
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Wednesday, January 4th, 2012 AT 3:56 AM
Tiny
TONYBUM13
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Ok will do, thanks a lot for your time, much appreciated!
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Wednesday, January 4th, 2012 AT 3:59 AM

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