Surface rust under new truck
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Tuned
Joined: Dec 2020
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From: Sacramento
Surface rust under new truck
I have a 2021 F250 that's a couple months old. I noticed there is some surface rust on the driveshaft and some other parts underneath. I'm guessing this won't really be a problem in the long run, especially since I live in a dry climate, but I was wondering if anyone has addressed this issue by coating or painting these components? I hope to keep the truck a long time so I was wondering if it would be worth the effort?
Lead Driver
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Kinda lame that it's like that. I had thought that I would rattle can all the bare and light areas, but never did. Some do get under there and coat those areas. Rattle can of your liking or even with something like POR15.
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Tuned
Joined: Dec 2020
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From: Sacramento
Yeah it's a little disappointing. If I do rattle can it, should I just wire brush the rust and then mask off the other stuff to protect from overspray?
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Tuned
Joined: Dec 2020
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From: Sacramento
Yeah that's what I was figuring. I saw a video where some guy had a F150 and a sprinter van, the F150 was a year newer, and had rust all over it underneath, but the van was fine. It doesn't look very nice but I guess no one else will see it but me.
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Last edited by 4wd6.7L; Apr 21, 2021 at 01:47 AM.
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my front drive shaft had some suface rust on it. So I coated that and the front end components with fluid film.
Rear drive shaft was painted from the factory, I coated it too though.
Sprayed my shock mounts and bolts while there.
Rear drive shaft was painted from the factory, I coated it too though.
Sprayed my shock mounts and bolts while there.
5th Wheeling
Joined: Apr 2021
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The yoke on the driveshaft was rusted on my 2021 the day I drove it off the lot with 15 miles on it. Same for some of the front suspension components. I just wiped them down with a rag soaked in brake parts cleaner the best I could and sprayed them with Rust-oleum rust reformer. I plan to Fluid Film the entire underside of the truck in the coming weeks when it warms up a little. Much easier to spray when the gallon can is warm.
Last edited by nominion; Apr 21, 2021 at 05:47 AM.
Cargo Master
Joined: Oct 2005
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From: WNY
It’s a driveshaft, and it’s not rotting out. ..
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Purly aesthetic, maybe, but I can appreciate a clean vehicle and those who like a clean truck(not to be confused with a tricked out show truck), including the undercarriage. You being someone who chooses not to drive their truck during the winter, I would think you would appreciate that too. Not hatin just sayin.
Cargo Master
Joined: Oct 2005
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From: WNY
I never said anything about being freaked out, in fact I said although I intended to paint all the bare and light stuff under the truck, I never did. I'm fully aware of the fact that it's a non issue from a functional standpoint. My problem with it is that I see it as Ford being cheap. I own another truck that had an original msrp of $25k, it has a painted front drive shaft and more coverage in general on the other parts down there.
Purly aesthetic, maybe, but I can appreciate a clean vehicle and those who like a clean truck(not to be confused with a tricked out show truck), including the undercarriage. You being someone who chooses not to drive their truck during the winter, I would think you would appreciate that too. Not hatin just sayin.
Purly aesthetic, maybe, but I can appreciate a clean vehicle and those who like a clean truck(not to be confused with a tricked out show truck), including the undercarriage. You being someone who chooses not to drive their truck during the winter, I would think you would appreciate that too. Not hatin just sayin.
On my truck, you can’t even see the shafts. You have to bend down to the ground to see them. Non issue.
If there were a place I would want to improve, it might be the rear end cover, but even that is hard to see.
Last edited by George C; Apr 21, 2021 at 11:09 AM.
Thread Starter
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Tuned
Joined: Dec 2020
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From: Sacramento
Haha, I guess not the driveshaft itself, but the linkage to the differential. If I do paint this linkage, is it ok to just mask off the shaft and surrounding area, or do I need to actually remove the driveshaft? I don't really feel comfortable doing that to be honest.
Last edited by OffRoadRN; Apr 21, 2021 at 11:23 AM.
Senior User
Joined: Mar 2021
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I just traded in my 2015 F-150 and over the past couple winters everything underneath was getting very rusty. Axles, differential covers, frame, drive shaft, etc. The diff cover especially was getting bad and I wouldn't be surprised to see a leak there after another winter or two. This forum has a weird habit of putting Ford on a pedestal and defending their every move. Bottom line they are using cheap coatings and these are easy things to improve. When my 2022 F-350 arrives I do plan to spend an hour or two and rattle can a few of the weak points down there. I also plan to fluid film each fall before the snow hits. I plan to own my new truck a lot longer than the F-150 and as quickly as that was rusting away, it feels like it's worth the effort.