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Discussion Starter · #1 · (Edited)
I searched through the forums, and couldn't find an issue similar to mine.

I have a 2012 Cruze ECO with around 80k miles, 6 speed, and it isn't throwing any codes.

I'm having an issue with my HVAC blower working sometimes and not others. I had my blower replaced about 18 months ago at the dealership, so it isn't under their warranty anymore. I'm probably going to end up taking it back for them to diagnose, but I figured I would take a shot here first.

Sometimes it won't work when I first start the car, other times it will work for a period of time (anywhere from 1-10 minutes has been observed), and then shut off for a period of time (again anywhere from 1-10 minutes). Sometimes it will work all the time (I would guess around 40% of the time). It doesn't appear that these instances are related to driving over any bumps, but I wouldn't rule that out. Changing the air distribution and fan speeds doesn't change the fact of it working/not working, turning the system off and on doesn't change it either and finally turning the car off and on doesn't affect it either. When it isn't working, I do hear a faint woosh sound from inside the dash, this sound does stop when I turn the blower off and on when the blower isn't actually blowing.

Any ideas?

Thanks!
 

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Discussion Starter · #2 ·
Just wanted to update this in case anyone else is having similar issues. Got the motor to where I could see it, and noticed the motor would cut in and out when I moved it's connector around. Unplugged the connector and noticed it had burnt/melted plastic in it. Cleaned it out and plugged it back in, and all is ok for now.

I realize this is a temporary fix until I can find what caused the burning in the first place. If anyone has any ideas, I'm all ears.
 

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Discussion Starter · #5 ·
It had the standard whistling at low speeds, had the dealership replace it under warranty over a year and a half ago. Could have been messed up then, or the mechanic might have not plugged it in all the way and caused arcing. Hopefully it was the later, and it will be ok now.
 
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