2015 Civic whine when accelerating.
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Thread: 2015 Civic whine when accelerating.

  1. #1
    Greenhorn
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    Jun 2019
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    2015 Civic whine when accelerating.

    My fiancee has a 2015 Civic base model (DX?) With 37K miles. She was complaining that the car was making a noise. Took it for a drive and noticed the noise also. Seems to correlate with pressing the accelerator. Do not hear it while idle. Sounds like a whining noise to me. We opted not to go for the factory supercharger option so it's not that (me trying to be funny).

    To me it sounds exactly like this when he is on the gas. This is not a video of my car but when I pulled it up I thought it sounded the exact same. https://youtu.be/MRd682iVhQ8.

    It does it while in park or moving. Didn't try neutral yet. Doesn't look like our cars have power steering pumps.

    Initial thoughts are it may be the tensioner pulley, idler pulley, or the belt. It took ages to find a diagram that lists the part numbers for both the tensioner and idler pulley. Anyone know why both exist on this car?

    Does this sound like I am on the right track? Any help is greatly appreciated.

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  3. #2
    Truck? What truck?! scottyrocks's Avatar
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    Have you popped the hood, and had someone rev the car while listening for where the sound is coming from? Sometimes a stethoscope is helpful (be careful with it, as far as your ears are concerned).

    You may very well get a better idea of where the sound is coming from if you're not separated from it by being inside the passenger compartment.
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  4. #3
    Greenhorn
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    Quote Originally Posted by scottyrocks View Post
    Have you popped the hood, and had someone rev the car while listening for where the sound is coming from? Sometimes a stethoscope is helpful (be careful with it, as far as your ears are concerned).

    You may very well get a better idea of where the sound is coming from if you're not separated from it by being inside the passenger compartment.
    I have very briefly. It does sound like the noises are coming from the serpentine belt area in general. May need to get a scope or at least try to pinpoint the noise down to one pulley or what not.

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  6. #4
    Greenhorn
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    Haven't had time to look at the car more until now. What do you think?

    I took a couple of videos. The tensioner pulley looks a little off to me.

    https://youtu.be/5cD8WGGaIcg

    https://youtu.be/LTXL7uTrgaw

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