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  #1  
Old 09-29-2008, 07:09 PM
matt36 matt36 is offline
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2000 blazer heat issues

I was reading about other heat issues here but mine is a little different. When i turn the heat on the vents or the floor i have heat but my defrosters are cold. I was low on antifreeze so i added that and changed the therm. I also replaces the radiator cap. Once that all didnt work i took the cap off and turned it on thinking i had some air but none. Any other ideas?
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Old 10-08-2008, 03:36 PM
just4phun just4phun is offline
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Re: 2000 blazer heat issues

you might want to check the thermostat, I replaced mine when I was not getting any heat ... worked after I replaced it.
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Old 10-08-2008, 04:53 PM
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Leeann94astro Leeann94astro is offline
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Re: 2000 blazer heat issues

He said he replaced the thermostat and also said he has heat everywhere but the defroster vents, so he doesn't have a heat problem.

It sounds like the blend door behind the dash is stuck.
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