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2018 Ford Explorer XLT 3.5L. Right side engine bay whine/whistle noise


Magana

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2018 Ford Explorer XLT
Hello, I’m currently having an issue with my 18’ ford explorer. About a week after owning it, it started making a loud whine/whistle noise on the right side of the engine side. Already took it to the dealer and they have no clue where it’s coming from and is currently still there being checked since it’s on the right side where no pulleys or belts are located. Only does it why in idle or parked. A/C is off, radio is off everything that could possibly be related to making that noise is off. When the hood is open its kinda hard to hear it, but once you close the hood the noise is louder and can hear it coming from the driver side wheel. anybody have this issue or know what the problem might be? It drives me nuts because it’s so noticeable. I could possible upload the noise to YouTube or some and provide the link if that would help? Thanks

update: link to engine noise.
 


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RedXLTlove

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Ours has done this since new and the dealer does not have a clue what it is.

In the 2.5 years we have owned the Ex, it has not gotten worse or better, so I am not going to worry about it.
 




Adrian Gitch

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kind of sounds like a vacuum leak somewhere. Doesn't sound normal
 




Magana

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kind of sounds like a vacuum leak somewhere. Doesn't sound normal
yeah thats what they say at the dealership. But have no clue. Since no codes or issues are being caused by it. They tell me there’s no problem. Well that doesn’t sound like no problem to me. I did read about it maybe being the IAC valve. That even if no codes or issues are caused by it, it can still make a noise like that. Its still currently at the dealership and just waiting for a call back to see what they found IF any.
 




Adrian Gitch

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I remember reading about a way you can detect a vacuum leak. Hopefully someone will see this thread and point you in the right direction.
 




RedXLTlove

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yeah thats what they say at the dealership. But have no clue. Since no codes or issues are being caused by it. They tell me there’s no problem. Well that doesn’t sound like no problem to me. I did read about it maybe being the IAC valve. That even if no codes or issues are caused by it, it can still make a noise like that. Its still currently at the dealership and just waiting for a call back to see what they found IF any.
Keep us updated, I would like to know what they find and if they have a solution. :)
 




Magana

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So nothing! They don’t know so I just went ahead a picked it up. They didn’t even check the IAC valve because the tech is a hard headed old man and says it can’t be that. Didn’t hurt to check.
 




Adrian Gitch

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I'd take it somewhere else. It's obvious something is making that noise and doesn't sound normal.
 




jerraz

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Ours has done this since new and the dealer says its belt noise. But that whistle sure sounds like a vacuum leak to me.
It has not gotten worse or better.
 




peterk9

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Ours has done this since new and the dealer says its belt noise. But that whistle sure sounds like a vacuum leak to me.
It has not gotten worse or better.
Does the noise level increase/change when you rev the engine? If not, I doubt it's "belt noise".

Peter
 




Drillka

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Greetings from Russia. I have the same problem with my Exp'18. Did somebody find out what is the problem?
I think it goes from automatic transmission.
Here is yotube video:

 




peterk9

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Welcome to the Forum. :wave:
What I heard seemed like wind blowing on a microphone. Can't say I heard anything out of the ordinary. Maybe someone else can pick it out.

Peter
 




Drillka

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Welcome to the Forum. :wave:
What I heard seemed like wind blowing on a microphone. Can't say I heard anything out of the ordinary. Maybe someone else can pick it out.

Peter
Yes, mostly wind is heard. But in the background, exactly the same whistling is heard as that of topicstarter.
In any case, this whistle is a mass phenomenon. On the Russian forum, we have 5-7 people with the same problem.
One of them went to Ford service and the master in the service said that there are some nets in the transmission through which the oil passes and the so-called whistle is created.

Is it a problem at all? The transmission works well. I’ve been driving such a whistle for 40 thousand kilometers.
 




RedXLTlove

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Greetings from Russia. I have the same problem with my Exp'18. Did somebody find out what is the problem?
I think it goes from automatic transmission.
Here is yotube video:

I can hear at the end of the video, mine does the same thing.

I can tell you its from the transmission, as you can shift from Reverse to Drive and it changes. It will also change pitch with manually shifting up shifting.

So I am convinced its the transmission. However, it has not gotten worse or better in mine, so I guess I wont worry about it?
 




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