Hissing noise engine

traymore

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I have a high pitch hissing noise that’s particularly annoying, happens both when accelerating and decelerating particularly noticeable at slow speed. Happens in both 2H and 4H, and the frequency seems to vary a little bit when it shifts gear. See attached video. Anybody knows what it could be?

Because it’s a high frequency and high freq are very directional you will hear much better if putting the hear close to the speaker.
 

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  • 131fd0f3-efa4-41b1-8e26-86c00cbf0131.mp4
    3.2 MB
Transmission whine. I have it and have been told its normal.
I test drove a Tremor and it didn’t do that at least not with the windows up so it seems that some might be worst than others.
When the engine is cold it’s there but totally acceptable. But when the engine has warmed up it gets bad.
It’s much worst in real life than in the video and driving me insane.
 
Interesting.
 
I test drove a Tremor and it didn’t do that at least not with the windows up so it seems that some might be worst than others.
When the engine is cold it’s there but totally acceptable. But when the engine has warmed up it gets bad.
It’s much worst in real life than in the video and driving me insane.
I met someone else with who had a Tremor and had the same engine as mine and his tranny didn’t do it at all. Mine does it but it’s not anything that can be hear windows up that’s for sure. Mine also has been mistaken by episode thinking it sounds like the turbos winding up. Maybe have it looked at to confirm it’s not an issue or something to be concerned about.
 
It’s very well known that even though the wine isn’t anything to worry about, it’s also known that it doesn’t happen to all Ford vehicles equipped with the 10 speed.

I’ve gotten to the point where I don’t even hear it anymore unless I specifically listen for it.
 
It’s very well known that even though the wine isn’t anything to worry about, it’s also known that it doesn’t happen to all Ford vehicles equipped with the 10 speed.

I’ve gotten to the point where I don’t even hear it anymore unless I specifically listen for it.
After talking to a few people and comparing with other f150s, some do it more than others and some don’t at all. In my case it’s much worse in real life than what it sounds in the video (and incomparably worst than any other f-150 I compared to), and it’s driving me crazy even with music on. Completely unacceptable in my book. Wouldn’t bother me if it was a little less loud or lower frequency.

Dealer is currently looking at it.
 
After talking to a few people and comparing with other f150s, some do it more than others and some don’t at all. In my case it’s much worse in real life than what it sounds in the video (and incomparably worst than any other f-150 I compared to), and it’s driving me crazy even with music on. Completely unacceptable in my book. Wouldn’t bother me if it was a little less loud or lower frequency.

Dealer is currently looking at it.
Ahh okay.

I would agree that if it was louder than what I’m hearing yes, that would be very annoying.

I hope your dealer can figure out if it’s something more than the norm.
 
Ahh okay.

I would agree that if it was louder than what I’m hearing yes, that would be very annoying.

I hope your dealer can figure out if it’s something more than the norm.
Same here .... most the time I dont notice it unless I am in a tight space with the windows down and it echos enough for me to hear it.
 
I have this noise described by OP and most noticeable at speeds 0-15mph .. . . . like when i have to slow down for the kids crossing at school.

I have been wondering if its being enhanced or exagerated by the same mechanism that performs FAKE ENGINE NOISE

There is a ForScan mod to disable this

Disable Fake Engine Noise
ACM Module
727-01-01 XXXX X0XX XXXX

Just havn't had the time to try and see it makes a difference.
 
After a week at the dealership they concluded the transmission needs to be changed completely. They are performing the change now. Very disappointing that a 2023 with 10,000 miles needs a brand new transmission to be honest, but at least it confirms the whine wasn’t normal at all.

I hear those are complex to install and need proper alignment and calibration. Since the dealer has screwed up easy stuff on my cars previously (such as not remounting speaker correctly, or not rotating the tires correctly), I am now stressed that they won’t do a great job of mounting the new transmission properly…
 
After a week at the dealership they concluded the transmission needs to be changed completely. They are performing the change now. Very disappointing that a 2023 with 10,000 miles needs a brand new transmission to be honest, but at least it confirms the whine wasn’t normal at all.

I hear those are complex to install and need proper alignment and calibration. Since the dealer has screwed up easy stuff on my cars previously (such as not remounting speaker correctly, or not rotating the tires correctly), I am now stressed that they won’t do a great job of mounting the new transmission properly…
Looks like you’re one of the unlucky owners who needed a new transmission.

Sorry to hear this but at least you’re still under warranty.
Hopefully they’ll get everything right with the installation to ease your concerns.

Are they going to give or even offer you a loaner vehicle?
Did they say how long it’ll take because I’m sure they’ll have to order the new transmission.
 
Looks like you’re one of the unlucky owners who needed a new transmission.

Sorry to hear this but at least you’re still under warranty.
Hopefully they’ll get everything right with the installation to ease your concerns.

Are they going to give or even offer you a loaner vehicle?
Did they say how long it’ll take because I’m sure they’ll have to order the new transmission.
No loaner, just free Ubers.
What took long was diagnose the issue. Now it shouldn’t take long because they have it in stock. Sometimes next week.
 
No loaner, just free Ubers.
What took long was diagnose the issue. Now it shouldn’t take long because they have it in stock. Sometimes next week.
Ahh okay.
Glad to hear that they have it in stock.
I’m not sure if you’re interested or not or how long you plan to keep your vehicle but you might want to consider a Ford backed ESP that covers everything for the maximum amount of years and miles.

I think it’s a good idea on any modern vehicle regardless of the brand.
 
Transmission was finally changed for a brand new one under warranty. They recognized it was faulty. Noise is completely gone.

If your F-150 makes the same whine as this video, get your transmission changed, it’s definitely not normal.
 
Transmission was finally changed for a brand new one under warranty. They recognized it was faulty. Noise is completely gone.

If your F-150 makes the same whine as this video, get your transmission changed, it’s definitely not normal.
Awesome.

I’ll definitely keep listening to mine to see if it gets any louder.
 

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