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2015 and up f-150 aluminum body rust or corrosion issues.

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Old Nov 16, 2025 | 02:06 PM
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2015 and up f-150 aluminum body rust or corrosion issues.

I’m considering a 2016 f-150 with higher mileage, 5.0 ….any issues with corrosion or rust.
 
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Old Nov 16, 2025 | 02:24 PM
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2015 and up f-150 aluminum body rust or corrosion issues.

I’m considering a 2016 f-150 with higher mileage, 5.0 ….any issues with corrosion or rust.
 
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Old Nov 16, 2025 | 04:29 PM
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My 2017 in the rust belt has no meaningful amount of rust or corrosion anywhere. It had a Krown treatment in 2020 and only touchups with an aerosol can since. Can't complain.
 
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Old Nov 17, 2025 | 07:26 AM
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rust

My 2015 supercrew does not.
 
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Old Nov 17, 2025 | 09:03 AM
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If there is it will be less than the 2014 and older.
 
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Old Nov 17, 2025 | 09:31 AM
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Originally Posted by Ponchopete
I’m considering a 2016 f-150 with higher mileage, 5.0 ….any issues with corrosion or rust.
Inspect the frame well. The body is aluminum, but the frame is steel. Since you live in MN, that could be an issue. If I lived in the Rust Belt, I would buy all of my used vehicles in the South.
 
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Old Nov 18, 2025 | 10:27 AM
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The only rust issue I had on my 2015 was on the top of one of my front shocks. Otherwise everything has been fine.
 
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Old Nov 18, 2025 | 11:42 AM
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Frame and suspension are where you'll see the corrosion issues. The good news is that's really easy to see underneath within a foot or two of the four wheel wells. No aluminum corosion issues have popped up on there in discussions.
 
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Old Nov 19, 2025 | 07:11 AM
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Yeah not too concerned about the frame and suspension. Just the body because of the switch to aluminum body parts. I did see elsewhere people were having few issues with cracking in stressed areas. But nothing that is telling me no don’t go this route. My 09 super duty is bad under the cab, so bad passenger side braces are no longer there! A coworker had a 2017 Chevy truck, rusting real bad. I don’t want to go that route!
 
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Old Nov 19, 2025 | 09:04 AM
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So far, and it’s been 11-12 years since the aluminum body was released, corrosion has not been an issue on body panels. That’s with factory paint. A truck that has had collision repair, I wouldn’t bet on. Make sure whatever you’re looking at hasn’t been wrecked or repainted in any way.
 
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Old Nov 19, 2025 | 10:49 AM
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Originally Posted by JKBrad
A truck that has had collision repair, I wouldn’t bet on. Make sure whatever you’re looking at hasn’t been wrecked or repainted in any way.
Not sure where you came up with to that 🤔. Aluminum panels have been around for years and if properly painted will not corrode just like steel you just have to make sure they are completely painted. A good friend of mine owns and runs a body shop and the only aluminum panels that he has seen have problems from the factory is Dodge.

Denny


 
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Old Nov 19, 2025 | 10:55 AM
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Originally Posted by JKBrad
So far, and it’s been 11-12 years since the aluminum body was released, corrosion has not been an issue on body panels.
Yep seems to be true.
 
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Old Nov 20, 2025 | 09:59 AM
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My 2017 truck looks great. There’s a little bit of paint coming off the factory-finish aluminum running boards because of the cold weather and ice buildup. I got some touch-up paint to fix it in the spring. So far, I really like the aluminum body, which is why I chose it. It's definitely the way to go.

The truck has 103,000 miles on it and it's from Buffalo, NY.

I treat it with Krown every fall. I have a spray gun with a 5-gallon container and pump for the fluid film. I spray it whenever the truck is in the garage.

For a truck that's 9 years old from Buffalo, it looks fantastic.

A month after I bought it, I forgot to secure my trailer hitch (I can’t believe I did that), and the trailer smashed into the tailgate. It damaged the tailgate completely. I did all the repair work myself and then took it to a local shop to repaint it. You wouldn’t even be able to tell that any work was done, even with a magnifying glass. After 9 years, it still looks great, so I don’t buy into the idea that a repair is an issue on aluminum bodies.

The body and frame have been perfect. But I could go on and on about other issues other than frame and body work.
 

Last edited by danskool; Nov 20, 2025 at 10:04 AM.
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Old Nov 22, 2025 | 07:27 PM
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The frames do sometimes rust out. Not sure why it's only on some. Newer trucks have drain holes in this frame. Is it a matter of dirt holding moisture? This guy lives in FL with a rusted out frame, and shows the drains on newer frames.
I drilled matching holes in my '16. It's pretty clean inside, so I'll use cavity wax inside the frame and boiled linseed oil on the outside of the frame.
 
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Old Nov 22, 2025 | 08:13 PM
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Originally Posted by Bent6
The frames do sometimes rust out. Not sure why it's only on some. Newer trucks have drain holes in this frame. Is it a matter of dirt holding moisture? This guy lives in FL with a rusted out frame, and shows the drains on newer frames. https://www.youtube.com/watch?v=Y0H4P9lBHNc I drilled matching holes in my '16. It's pretty clean inside, so I'll use cavity wax inside the frame and boiled linseed oil on the outside of the frame.
Not sure why it rusted out but I've seen a lot of trucks that the body looks great but the frames are rusty manly because they never get rinsed off the frame just the body. If you believe he never went to the coast I have a bridge in the desert I would like to sell you.

Denny
 
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