Thread: 2004 weird heat issue
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Old 04-26-2017, 06:10 PM   #4
71chevmal
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Re: 2004 weird heat issue
It was the module in the duct again. Normally it fails closed but this time it was open. I'm averaging one of these modules a year. Anyone got a solution?
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Jeff

2004 Yukon. 5.3L 176k+ mi
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