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Defrosters switch will not work in 2000 s10 blazer

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Old Sep 10, 2012 | 11:31 AM
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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 Sep 10, 2012 | 12:19 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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