My heat and air conditioner only half way work when I’m driving; and sometimes when I turn my wheel, I hear a popping noise coming from under my car where my wheels are…
Bad blend door actuator. It is under the dash and pops when it goes bad. They cost about $50 for the part but it can take a bit of labor hours to replace it depending on the car and actuator. Any auto repair shop should be able to fix this.
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