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My kia rondo 07 if I have key in on position but not started I turn air on and it squeaks like old door hinge is that not normal or a problem

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  • Are you saying there isn't any noise when the car is running?
    – Pᴀᴜʟsᴛᴇʀ2 ♦
    Commented Aug 2, 2014 at 22:42

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The only real differance between your vehicles electrical system with the engine on or off is made by the alternator. Running on battery, your system voltage will be lower then when the engine drives the alternator. With the alternator running, supplying the air fan with a higher voltage, the air fan will run a little faster and is the losing the conditions to allow it to squeak by causing the fan to be better 'balanced' in its operation.

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