Heater blows cold air from driver's side

2008 CHEVROLET IMPALA
149,000 MILES • 6 CYL • AUTOMATIC
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STARLORD1976
  • MEMBER
  • 173 POSTS
Just bought car and when I turn on the heat it blows heat out of passenger side but cold out of drivers side?
Apr 15, 2020 at 8:05 PM
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DANNY L
  • CERTIFIED EXPERT
  • 5,648 POSTS
Hello, I'm Danny.

It sounds like you are having an issue with your blend door actuator.It's a small electric motor that opens/close a door to direct air flow through specific ducts.Here is a tutorial showing what is involved:

https://www.2carpros.com/articles/replace-blend-door-motor

I've attached a picture below for your Impala.Hope this helps and thanks for using 2CarPros.
Apr 15, 2020 at 11:20 PM