1991 Chevy S-10 Not heating

Tiny
JDAMRON
  • MEMBER
  • 1991 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Hey on my S10 blazer when I turn the Heat on with the Fan on high it blows cold air out but when I turn it on low on med it blows out worm air how can I fix that?
Wednesday, January 30th, 2008 AT 5:44 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try replacing the thermostat and then comeback-could also be a partially clogged heater core.
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Wednesday, January 30th, 2008 AT 6:34 AM

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