Hood shake

[ejaffe]

I am wondering if any of you have noticed something similar. Yesterday I was driving over a bridge near the beach and it was very windy. The type that you can feel pushing the truck one way or another. I could see the hood flexing by the trail sites up and down as the wind blew. I have never seen anything like that before and I was nervous the hood was actually going to fly opened. Has anyone noticed anything similar?

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[1BadLarry]

Driving from Nevada to California going 80 mph with a 25 mph cross wind and had a similar experience. I had just picked it up so you better believe I was concerned. The hood latch is solid though so I wouldn’t be too concerned about it flipping up on ya. Hasn’t happened since but I know the feeling.

 

[Kygolfer]

Yep. I have it too.

 

[ctandc]

It's aluminum. Same thing on my '19 Mustang GT. Weight savings is the name of the game.

 

[Paul Gagnon]

Every modern car with an aluminum hood does that.

 

[Drew5150]

Dealer said they couldn't fix it! Anyone have an answer on how to stop vibration of hood?

 

[JohnnyBronco]

I have driven at max limiter speed for several miles and in some major crosswinds and cannot say I have noticed hood shake.

I used to get shake on my LR3 when one of the two latches was worn and would not catch. I can't answer if the Broncos have two or just one center latch but in any event the rubber bumpers at the front corners would be adjustable

 

[Razorbak86]

Dealer said they couldn't fix it! Anyone have an answer on how to stop vibration of hood?

Proper hood adjustment can eliminate flutter. Refer to the following posts for more info…

FWIW, my hood doesn’t flutter, even with gusts and semis passing on the freeway, but I carefully adjusted my hood bump stops, like I do on all my vehicles. Although the hood is fabricated from aluminum, it has honeycomb stiffeners below the skin that increases its rigidity. If your hood is properly anchored in all 5 locations (i.e., 2 front bump stops, 2 rear hinges, 1 front latch), I doubt you will notice any flutter. Conventional wisdom about what is “normal” is not always right.

@Razorbak86 Thanks buddy. Can you post a picture and description of what you did to yours please?

OK, I attached a photo below. In the middle of the photo, next to the hood support rod, is the hood bump stop on the driver’s front corner. There is an another one just like it on the passenger’s front corner. Twist it clockwise or counter-clockwise to adjust it up and down to remove slop in the hood alignment.

You want your hood properly anchored in all 5 locations (i.e., 2 front bump stops, 2 rear hinges, 1 front latch).

When the hood is properly anchored, there should be very little movement when you press down on the front corners. The more slop in this adjustment, the easier it will be to close the hood. The less slop in this adjustment, the harder it will be to close the hood.

I’m pretty anal about this, so mine is adjusted with such little slop that I have to drop my hood from about 10” to close it, and then it doesn't move on the corners when pressed down. You may not want to remove that much slop, but that’s the secret to achieveing zero flutter.

 

[Drew5150]

Proper hood adjustment can eliminate flutter. Refer to the following posts for more info…

Took it into the dealership and they said they can't fix it. It's because of the grill that is causing this. Wtf

 

[Jim Walter]

I ended up adjusting those two rubber hood stops. One on each side. Put a little grease on the top, adjusted, and waited see when the hood hit the grease, the adjusted one more full turn. No more problem.

 

[Headsong]

That's a great idea!

 

[los7883]

Proper hood adjustment can eliminate flutter. Refer to the following posts for more info…

I've gone on a couple of road trips and mine flutters pretty bad, gonna have to adjust the bump stops for sure, thanks for the info!

 

[Trail_Runner]

I have adjusted the bump stops. Hood still flutters above 50 mph. Its looks like the outer sheet metal flexing away from the inner core. There is just foam/glue holding the two together.

 

[amazingjason]

I have driven at max limiter speed for several miles and in some major crosswinds and cannot say I have noticed hood shake.

I used to get shake on my LR3 when one of tge two latches was worn and would not catch. I can't answer if the Broncos have two or just one center latch but in any event the rubber beers at the front corners would be adjustable

What is the top speed? About 100?
Jason

 

[Machz963]

I have driven at max limiter speed for several miles and in some major crosswinds and cannot say I have noticed hood shake.

I used to get shake on my LR3 when one of tge two latches was worn and would not catch. I can't answer if the Broncos have two or just one center latch but in any event the rubber beers at the front corners would be adjustable

Doubt you did it then

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