Whistle sound coming from grille / hood on some Big Bend and Outer Banks Broncos. Improved hood seal design coming October

[Hornet]

TSB info and part number here:

https://static.nhtsa.gov/odi/tsbs/2021/MC-10202706-0001.pdf

There is also a TSB for a whistle noise that comes from the climate control case.

https://static.nhtsa.gov/odi/tsbs/2021/MC-10202709-0001.pdf

The noise is from the driver side mirror. You link doesn't address that

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[BigHoof]

The noise is from the driver side mirror. You link doesn't address that

This thread is about the hood seal.

 

[Bunk M]

Bunk, do you have a part name/number that was utilized to fix the issue? I'd like to have them order it and take it in upon arrival. Appreciate the quick response!

Sorry I don't. But when I called the dealer and described it, they knew exactly what I was talking about.

 

[jorgem31]

I hear a faint whistle when the top is down or windows open but cannot pinpoint it. And no, it's not the turbos. But mine was built in Oct and those TSB's say built before Aug.

 

[PG_Bronco]

I picked up my big bend a couple weeks ago. Noticed the whistle right at 57ish mph. It is extremely annoying. I brought it into service today and they didn’t have a fix. I was an early December build that was held for weeks before shipping. Very frustrated there is not a solution. I understand wind noise with the soft top but the whistle is awful

 

[ct1975]

I picked up my big bend a couple weeks ago. Noticed the whistle right at 57ish mph. It is extremely annoying. I brought it into service today and they didn’t have a fix. I was an early December build that was held for weeks before shipping. Very frustrated there is not a solution. I understand wind noise with the soft top but the whistle is awful

I am experiencing a whistle as well on my Outer Banks that was built ~1/14/22. The whistle occurs whether the soft top is up or flipped back at speeds above 50mph. I will investigate more when the weather cooperates. It is quite annoying.

 

[Hornet]

I picked up my big bend a couple weeks ago. Noticed the whistle right at 57ish mph. It is extremely annoying. I brought it into service today and they didn’t have a fix. I was an early December build that was held for weeks before shipping. Very frustrated there is not a solution. I understand wind noise with the soft top but the whistle is awful

The fix is to put some sealer in the seam.

 

[PG_Bronco]

The fix is to put some sealer in the seam.

Thank you! I think it’s coming from the front end. Either the grille or the hood though.

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