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Old 09-10-2012, 12:31 PM
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Default Defrosters switch will not work in 2000 s10 blazer

Hi I am having problems with my defrosters. I have a/c and heat blowing from my vents but when I switch to floor or defrosters the air and heat just keeps coming out of vents. What do I do?
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Old 09-10-2012, 01:19 PM
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Sounds like you have a vacuum leak somewhere.
Try a search in here for "vacuum leak" "HVAC controls" etc
Search it out in here, there are lots of threads & postings about this.
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02, 2000, ac, air, blazer, blowing, chevy, control, defrost, defroster, heater, problem, s10, switch, vacuum

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