Heater problem

Hi guys, wondering if anybody had any ideas. Towards last winter I lost heat on driver side. I assumed it was a bad actuator for bland door but because I was lazy I left it til summer. When summer hit I noticed that the ac worked on driver side so now I’m not sure if it is a bad actuator. Now that it’s getting colder I better get it fixed before the wife kicks my ass.
Thanks for any help
TJ


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Figured I’d update in case anybody was interested. I replaced the lower actuator underneath the dash on passenger side by transmission tunnel and all seems good to go


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Glad to hear! That seems like it would have been the most likely culprit.