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2014 MkZ Hybrid - Strange engine whining noise


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FaSSt2001
New User

Jun 15, 2018, 11:52 AM

Post #1 of 5 (347 views)
2014 MkZ Hybrid - Strange engine whining noise Sign In

Hi. We have a 2014 MKZ Hybrid that has started making a whining noise when the gas engine is running. It only makes the sound when the engine engages and it does it in park and all gears. It's a lot less audible in neutral and reverse though. It gets louder with acceleration as well. I've never heard anything like this before. It resembles alternator whine, but I'm finding out that these cars don't have alternators. The sound is coming from right under the electric motor, but it's so tight right there I can't really see what's there. I made some videos of the sound to hopefully help diagnose it. It's driving us nuts and we really don't want to take it to the dealer. Has anyone heard anything like this on their hybrids (or even gas models) before? Anyone have an engine diagram for this car so I can see what's under there?

https://youtu.be/lrAhxVgDihs
https://youtu.be/QcYeUxhsMlI

Thanks in advance for any input.
Ed


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 15, 2018, 1:21 PM

Post #2 of 5 (336 views)
Re: 2014 MkZ Hybrid - Strange engine whining noise Sign In

We aren't going to be able to pinpoint that noise over the Internet. Someone has to use a stethoscope on site to isolate the source of the noise.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



FaSSt2001
New User

Jun 15, 2018, 3:22 PM

Post #3 of 5 (328 views)
Re: 2014 MkZ Hybrid - Strange engine whining noise Sign In

Ahh, okay thanks. That's what I was afraid of. I was hoping someone would have just heard it before. Thanks!


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 15, 2018, 3:33 PM

Post #4 of 5 (322 views)
Re: 2014 MkZ Hybrid - Strange engine whining noise Sign In

Of course we have heard it before and anything that rotates can make that noise.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 16, 2018, 2:00 AM

Post #5 of 5 (309 views)
Re: 2014 MkZ Hybrid - Strange engine whining noise Sign In

Ed, Same with Hammer we've heard the assorted noises before. The precise item and fix is going to end up at a shop or likely the dealer which you said you wanted to avoid of course they are more costly for assorted reasons.


It's a maybe it's under a warranty still have you checked? This is an extra complicated "machine" vs any with just one way to propel it just doubles the approaches to the end fix IMO doesn't make sense to me for long life of carefree use without being wildly costly.
Yes, it sounds wrong and like some fan or bearing of something but ends there on the web. In person this a higher end vehicle and fairly new I can't see avoiding a dealer with such a vehicle. Wrong type if you were just looking for car, performance or special features about it and also not accept added costs,


T







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