Hood Flap Issue - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 03-19-2006 Thread Starter
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Hood Flap Issue

I know this has been mentioned here before but I thought I'd bring it up again since I have now noticed it on my car and am wondering what the solution is.

For those that don't know what I'm talking about... It seems that once you reach speeds in excess of 200-210kph (~128mph) the hood begins to shake and 'flap'. I experienced this today on the highway while I was going about 130ish mph.

I suppose this is largely attributed to the fact that the hood is aluminum and thus lightweight but I don't think because of this it should be dismissed. It is quite frightning when you're achieving these speeds and you see your hood flapping in the wind (quite violently I might add).

So what is the solution to it? I've read hood pins may fix the problem, but is there anything else for those that aren't big fans of them because of the look?

Suggestions...

(and No, 'stop speeding' is not a suggestion )

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post #2 of 8 (permalink) Old 03-19-2006
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Keep your eyes on the road ahead, not your hood, then you wont see it. Or reclyne the chair back more.

But on a serious note, I ve heard some people make adjustments to the black stoppers/bumpers that the hood rests on when you close it.


I havent noticed hood shake in mine.


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post #3 of 8 (permalink) Old 03-19-2006
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Quote:
Originally Posted by vantage
I know this has been mentioned here before but I thought I'd bring it up again since I have now noticed it on my car and am wondering what the solution is.

For those that don't know what I'm talking about... It seems that once you reach speeds in excess of 200-210kph (~128mph) the hood begins to shake and 'flap'. I experienced this today on the highway while I was going about 130ish mph.

I suppose this is largely attributed to the fact that the hood is aluminum and thus lightweight but I don't think because of this it should be dismissed. It is quite frightning when you're achieving these speeds and you see your hood flapping in the wind (quite violently I might add).

So what is the solution to it? I've read hood pins may fix the problem, but is there anything else for those that aren't big fans of them because of the look?

Suggestions...

(and No, 'stop speeding' is not a suggestion )
Take it to the dealer when they tell you you ain't supposed to go that fast, install hood pins.




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post #4 of 8 (permalink) Old 03-19-2006
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The problem is that the air coming in from the front of the hood cannot get out at the back of the hood as quickly. This is whats causing the hood to flap, or bounce.
The only solution is to replace the hood with one that is raised at the back (at the windshield). I think its called a cowl type, or maybe a reverse cowl. I think!

Hope this helps

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post #5 of 8 (permalink) Old 03-19-2006
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you must run high speeds quite often...If I run that fast ..I would not be lookin at my hood.....about 125 is the fastest I have ever been but that could soon change
all you can do it raise the rubber stoppers a turn or two...your hood may shut harder...I would suggest you drop your hood from about 2 feet up instead of using the palms of you hand if it doest close...palm prints in hoods are ugly.

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post #6 of 8 (permalink) Old 03-19-2006
 
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Quote:
Originally Posted by GT John
The problem is that the air coming in from the front of the hood cannot get out at the back of the hood as quickly. This is whats causing the hood to flap, or bounce.
The only solution is to replace the hood with one that is raised at the back (at the windshield). I think its called a cowl type, or maybe a reverse cowl. I think!

Hope this helps
I agree. The hood or fenders, need to be vented. Air pressure is building up underneath and making the hood flop around.

It's quite disconcerting at speed.
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post #7 of 8 (permalink) Old 03-20-2006 Thread Starter
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Quote:
Originally Posted by MickMach
you must run high speeds quite often...If I run that fast ..I would not be lookin at my hood.....about 125 is the fastest I have ever been but that could soon change
all you can do it raise the rubber stoppers a turn or two...your hood may shut harder...I would suggest you drop your hood from about 2 feet up instead of using the palms of you hand if it doest close...palm prints in hoods are ugly.
I don't too often and if you saw what my hood was doing today you would also find it quite difficult to ignore, I immediately slowed down to crusin speed when it started happening. I would think they would have addressed this issue when developing the car, but I guess not.
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post #8 of 8 (permalink) Old 03-20-2006
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i've been up to 140 and my hood doesnt shake at all...it must be like he said with the hood pins...
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