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Front Fender line holes gone

AZ_Ryan

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He seems to be forgetting there is a load of unprotected metal under the car, admittedly the floorpan is undersealed in the UK. Mine went through it's first salty winter with minimal damage and I have treated it for the future and will keep an eye on it.

If you don't agree with him you are wrong unfortunately! I know a few other people like that!
Not only that. But you can remove all the liners and panels under the car and will find tons of rocks everywhere. While I agree blocking that hole is probably a good idea long term due to the exposed K member, it's not going to seal up the whole area against water, salt and all debris. Driving a car in a wet and cold climate has consequences in the underside not matter what.
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glenng6

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@fishinrich ..... you won't have to wait 50 years. Probably two years will show damage concerns. With those holes right behind the front wheels dirt, stones and in some places salt will be fired at high speed right down the inside of the underbelly pads. As my Mustang tech - who owns a supercharged Mustang - said, not only that but a lot of those areas are real close to extremely hot exhaust components that will radically speed-up the corrosion to critical parts. I just don't get some owners who seem to brag that they aren't afraid of some rust. For $100 and 30 minutes of time I find that sort of answer ..... well, readers can fill-in their version of the word stupid. Watch Tony Unica's video. BTW he builds Mustangs from the stamped forms that he purchases from Ford you can see some of the body panels in his video. He has forgotten more about Mustangs that most people on this forum will ever know. Respectfully, help your Mustang - educate yourself and spend a flippin' 100 bucks on the fix or at least do what @glenng6 did....hats off to his creative solution. Hope it lasts. If not I'm sure he'll re-do it.
With the amount of tape left on the roll I can re-do my hack 50 times! :cwl: Glenn
 

MAT1955

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@AZ_Ryan ..... actually some people have stated exactly that they are not concerned by some "potential" rust and have downplayed the potential gravity of the issue. I don't give a rat's a$$ if those people get rust/damage - I am concerned if they unduly influence others. I was one of the first to re-post Tony's original concern and one of the first to contact Hein at DIYvan.com to discuss his kits repair kits with him. I was the first, according to Ford, to discuss this issue at the corporate level - and guess what? Looks like they corrected the issue - DUH. I have answered over 50 personal emails on this topic and purchased and re-shipped kits to some Mustang owners who couldn't get them. This I did GLADLY to help fellow Mustang owners. Yeah, I too am sick of the constant discussion of this tropic when the obvious answer, for anyone with an IQ above a ping pong ball, as the answer has been repeatedly stated on many forums and I sure as $hit don't need a lecture from you. P.S. take a minute to read some of the notes from owners. The main concern is that the dirt and debris pack under these pans and form a wet poultice that continues to rot the metal. Of course other underbody areas get wet but these under belly pad areas are a huge source potential damage. Geez man, do some frickin' research.
 
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Gregs24

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@AZ_Ryan ..... actually some people have stated exactly that they are not concerned by some "potential" rust and have downplayed the potential gravity of the issue. I don't give a rat's a$$ if those people get rust/damage - I am concerned if they unduly influence others. I was one of the first to re-post Tony's original concern and one of the first to contact Hein at DIYvan.com to discuss his kits repair kits with him. I was the first, according to Ford, to discuss this issue at the corporate level - and guess what? Looks like they corrected the issue - DUH. I have answered over 50 personal emails on this topic and purchased and re-shipped kits to some Mustang owners who couldn't get them. This I did GLADLY to help fellow Mustang owners. Yeah, I too am sick of the constant discussion of this tropic when the obvious answer, for anyone with an IQ above a ping pong ball, as the answer has been repeatedly stated on many forums and I sure as $hit don't need a lecture from you. P.S. take a minute to read some of the notes from owners. The main concern is that the dirt and debris pack under these pans and form a wet poultice that continues to rot the metal. Of course other underbody areas get wet but these under belly pad areas are a huge source potential damage. Geez man, do some frickin' research.
Not sure why you think ranting and insulting people who have a different view to you is acceptable. If you are so bothered about how many posts there are on the subject don't keep posting like this - simple
 

steveo1960

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Has anyone tried using a product like one of the Eastwood rust inhibitors or frame coating products and spraying it into the area behind the fender hole? After cleaning it out of course. Is it feasible or is it just going to make a mess and possibly overspray onto the exterior paint?
 


Will2

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Wow glad to see something was finally done. If I understand correctly, not all 2025's got this fix.
 

Big Bird

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@AZ_Ryan ..... actually some people have stated exactly that they are not concerned by some "potential" rust and have downplayed the potential gravity of the issue. I don't give a rat's a$$ if those people get rust/damage - I am concerned if they unduly influence others. I was one of the first to re-post Tony's original concern and one of the first to contact Hein at DIYvan.com to discuss his kits repair kits with him. I was the first, according to Ford, to discuss this issue at the corporate level - and guess what? Looks like they corrected the issue - DUH. I have answered over 50 personal emails on this topic and purchased and re-shipped kits to some Mustang owners who couldn't get them. This I did GLADLY to help fellow Mustang owners. Yeah, I too am sick of the constant discussion of this tropic when the obvious answer, for anyone with an IQ above a ping pong ball, as the answer has been repeatedly stated on many forums and I sure as $hit don't need a lecture from you. P.S. take a minute to read some of the notes from owners. The main concern is that the dirt and debris pack under these pans and form a wet poultice that continues to rot the metal. Of course other underbody areas get wet but these under belly pad areas are a huge source potential damage. Geez man, do some frickin' research.
Sheesh. I typically just skim through these fender hole threads out of curiosity, but this response was worth a post. I can't image that you're actually going to convince anyone like this. If you care so much about your fellow Mustang owners, maybe just move on?

P.S. I was the first, according to Ford, to discuss you being a big, stinky Internet meanie at the corporate level. And guess what? They said I was right!
 

AZ_Ryan

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@AZ_Ryan ..... actually some people have stated exactly that they are not concerned by some "potential" rust and have downplayed the potential gravity of the issue. I don't give a rat's a$$ if those people get rust/damage - I am concerned if they unduly influence others. I was one of the first to re-post Tony's original concern and one of the first to contact Hein at DIYvan.com to discuss his kits repair kits with him. I was the first, according to Ford, to discuss this issue at the corporate level - and guess what? Looks like they corrected the issue - DUH. I have answered over 50 personal emails on this topic and purchased and re-shipped kits to some Mustang owners who couldn't get them. This I did GLADLY to help fellow Mustang owners. Yeah, I too am sick of the constant discussion of this tropic when the obvious answer, for anyone with an IQ above a ping pong ball, as the answer has been repeatedly stated on many forums and I sure as $hit don't need a lecture from you. P.S. take a minute to read some of the notes from owners. The main concern is that the dirt and debris pack under these pans and form a wet poultice that continues to rot the metal. Of course other underbody areas get wet but these under belly pad areas are a huge source potential damage. Geez man, do some frickin' research.
Looks like you aren't capable of just ignoring posts you don't like and would rather be an insulting troll. Good luck.
 

glenng6

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I just had another thought concerning these holes. Why not spray the inside of the hole with foam insulation and then cover the hole with the T-REX tape I suggested? I would make sure there isn't any moisture in there, and if stones/pebbles are present, the foam should stop them from rattling! Actually, I think I might check into this possibility. Regardless of the method anyone chooses, I doubt it would hurt to fill the void, so to speak. Any structural/environmental engineers out there that know if there is spray that has soundproofing and insulation attributes? It could be a win-win situation! Glenn
 

AZ_Ryan

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I just had another thought concerning these holes. Why not spray the inside of the hole with foam insulation and then cover the hole with the T-REX tape I suggested? I would make sure there isn't any moisture in there, and if stones/pebbles are present, the foam should stop them from rattling! Actually, I think I might check into this possibility. Regardless of the method anyone chooses, I doubt it would hurt to fill the void, so to speak. Any structural/environmental engineers out there that know if there is spray that has soundproofing and insulation attributes? It could be a win-win situation! Glenn
Foam will just hold the moisture in. Plus there is no reason to fill the space. There are voids under every trim panel in the car. Block it off and call it a day. This ain't rocket science folks.
 

Zig

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Foam will just hold the moisture in. Plus there is no reason to fill the space. There are voids under every trim panel in the car. Block it off and call it a day. This ain't rocket science folks.
But it is ‘rock’ science. 🤣
 

Gregs24

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Has anyone tried using a product like one of the Eastwood rust inhibitors or frame coating products and spraying it into the area behind the fender hole? After cleaning it out of course. Is it feasible or is it just going to make a mess and possibly overspray onto the exterior paint?
Yes. I did exactly this. After this winter and about 3k mile of driving I had a good look inside the holes. The car frame had a few stone chips but no rust and the brace had a few minor chips and slight rust staining of those chips - very minor. I treated with Kurust and then sprayed with aerosol underseal which matches the rest of the underbody on UK cars. A month later it is all completely as it was when I did it. I will monitor and retreat if and when required.
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