No heat except at highest setting

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pt1965

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Dec 24, 2009
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Location
columbia,sc
2002 yukon xl
i get cool air all the way up on the temp wheel except when i turn it past the notch at the end.
anybody know the fix for this?

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pt1965

pt1965

Member
Joined
Dec 24, 2009
Posts
78
Reaction score
20
Location
columbia,sc
a door actuator? but if its the switch,i need to replace the whole unit right?
 
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