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heat

3K views 3 replies 3 participants last post by  huey1983 
#1 ·
I have a 2007 trailblazer and when i turn the heat on HI it comes out But when i turn it down and then go to turn it back up it wont blow out that fast. So i turn off the truck and then turn it back on it work But as soon as I turn it down and then to turn it back up it wont blow out like it should
 
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