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Really short squeaky sound after starting the engine?

Tiny
RAWRAMEN
  • MEMBER
  • 2024 FORD BRONCO
  • 2.3L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 700 MILES
Auto start and stop function triggered during traffic light, as soon as the engine stopped, the short squeaky sound followed.
It’s not happened to the break, I checked.
Saturday, August 17th, 2024 AT 1:56 PM

18 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Hi,

Is the sound loud enough to record and upload for me to hear? Also, make sure you notify the dealership, so it is covered under warranty.

Let me know.

Joe
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Saturday, August 17th, 2024 AT 7:41 PM
Tiny
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I tried to upload the sound, but not success, but the picture attached.
I am working on it, or tomorrow, I will start the engine and get underneath the vehicle and record the video. Thank you !
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Saturday, August 17th, 2024 AT 8:43 PM
Tiny
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Luckily caught the short squeaky sound through video. Please see attached.

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Sunday, August 18th, 2024 AT 6:54 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

I am so sorry, but I can't hear it. I did notice something that sounded like a vibration, but not a squeal.

Joe
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Monday, August 19th, 2024 AT 7:09 PM
Tiny
RAWRAMEN
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  • 11 POSTS
I clipped the video, focused with the squeaky sound. Please see the video attached.
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Monday, August 19th, 2024 AT 7:12 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
I hear a noise, I just can't identify it. It doesn't sound like a squeak to me. Does this only happen after start-up and before placing it in gear? Also, do you hear it if the AC is off?

Joe
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Monday, August 19th, 2024 AT 8:03 PM
Tiny
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  • 11 POSTS
It happen:
-start-up at P and really low speed getting off from parking lot
-When auto start-stop on, as soon as engine stopped
-When car at low speed within 30
-AC off and on, both

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Monday, August 19th, 2024 AT 8:39 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
If you turn off the auto start / stop, do you ever hear the noise?

Joe
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Tuesday, August 20th, 2024 AT 7:25 PM
Tiny
RAWRAMEN
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  • 11 POSTS
With auto start stop off-ed Sound will appear
Start-up engine
Slow speed

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Tuesday, August 20th, 2024 AT 8:05 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Im sorry, but not being there, I can't identify the noise. Are you able to pinpoint an approximate area it comes from?

Joe
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Wednesday, August 21st, 2024 AT 7:10 PM
Tiny
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Okay! I will try tomorrow!

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Wednesday, August 21st, 2024 AT 7:11 PM
Tiny
RAWRAMEN
  • MEMBER
  • 11 POSTS
Hi Joe, thank you for waiting.

I do not know where to pinpoint the spot the sounds just really short. Please see two videos below.

When I install the running board, I can see the car underneath,
For this car underneath, should I need to do the weatherproof spray or rust proof paint? (For some parts)

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Saturday, August 31st, 2024 AT 11:16 AM
Tiny
RAWRAMEN
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The car just having back camera on during driving direct.
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Saturday, August 31st, 2024 AT 11:17 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

I watched and still can't hear anything. Have you had the vehicle back to the dealership?

As far as rust proofing, it is really based on where you live. I'm in PA, so if I don't do it, the car is rusting through within 5 years. If you are in an area that gets snow and salt is used on the road, certainly rustproof it.

Let me know.

Joe
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Saturday, August 31st, 2024 AT 6:45 PM
Tiny
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I did bring to dealership, the mechanic told me that he didn’t hear anything at first time,
He heard it at the second time I mentioned, but he said it’s normal.

Regarding the rust proofing, any chance to do it myself or better to bring to the mechanic shop?
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Saturday, August 31st, 2024 AT 9:20 PM
Tiny
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  • MECHANIC
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Hi,

The rustproofing can get messy. LOL I do my own. I use a product called Fluid Film. Originally, I would buy it in aerosol cans. It got expensive, so I purchased a spray kit from them and now buy it by the gallon. It makes it a lot less expensive, but again, it makes a mess. I cover everything that gets hot such as the exhaust because it smells so bad when it burns off. I remove my tail lights, headlights, and as much as I can to get all the points. There are plugs on my truck on the doors and rockers that I remove and spray as well as inside the frame. I attached a pic below of what I use. That came from Amazon.

Take care,

Joe

See pics below.
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Sunday, September 1st, 2024 AT 8:04 PM
Tiny
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Looks good, I will have to consider it,

Thank you for your time!

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Sunday, September 1st, 2024 AT 8:43 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

You are very welcome.

Take care of yourself and feel free to come back anytime in the future.

Happy Labor Day,

Joe
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Sunday, September 1st, 2024 AT 8:57 PM

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