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Blend door actuator?

zmnypit
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zmnypit Enthusiast

zmnypit

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Anyone replace the blend door or temp actuator on a 14-15 Sierra? Been fighting ac issues for a few weeks now and while replacing the cabin filter a few min ago I noticed the pass side was actually cold while the driver side was still warm both on low. Could this be my issue or something else?

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swathdiver Senior Enthusiast

swathdiver

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You fellas need a Tech2 or whatever GM is using for the latest products.  Each actuator will throw its own trouble code and one of three symptoms explaining what is wrong with it.  From 2000 to 2014 the actuator for the driver's side is on the bottom in front of the console.  A subscription to AllDataDIY will show you drawings, wiring diagrams and everything else you need to know to service your truck.

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bergmi New Member

bergmi

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Not a pro and not particularly handy and am having this issue as well.  I did find this video, looks like you don't have to pull the dash... https://www.bing.com/videos/search?q=gmc+sierra+blend+door+actuator&&view=detail&mid=7453CD2315C099A546697453CD2315C099A54669&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dgmc%2Bsierra%2Bblend%2Bdoor%2Bactuator%26FORM%3DHDRSC3

Edited by bergmi
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