Originally Posted By: OVERKILL
Originally Posted By: Nick1994
As if aluminum doesn't flake off in the same conditions that steel rusts.
I've had a good sized (4" long by about 2" high) chunk of paint missing off the aluminum hood in the Expedition for a number of years now. The repair requires the removal, complete stripping, prepping and re-painting of the hood, which, on a 300,000Km vehicle with little value, doesn't really seem to be overly effective at swaying me to fix it.
I also have, despite the truck getting sprayed every year, developed rust in the drivers side rocker. These things happened about the same time. The rocker has now developed a hole about 24" long (that's not a typo) and about 3" wide where it has rusted out. This is on a vehicle that has been rust-proofed every year during our time owning it.
The spot on the hood looks the same as it did when the paint first decided it wasn't going to stick anymore. Hasn't gotten any worse, it just looks like bare aluminum. The rocker went from a rust spot to a 24" gash in the same period of time. It is incredibly obvious that while aluminum most certainly DOES corrode, that the result of that corrosion isn't even on the same planet nor does it manifest in any way that even remotely resembles the same method as that of steel body panels.
If I had aluminum rockers the paint might not have stuck to them but at least they'd still be there
LOL!
I have a 2002 F-150 Supercab that is rapidly succumbing to the ravages of northern NJ salt infested roads. The rust got serious at 10 years. First in the door and tailgate bottom seams. Then it rapidly spread to the truck bed side mounting areas. The frame has rusted real nice and the side bed mounting to the frame has rotted away nicely. I've slowed the rust somewhat but it's winning. Too bad because mechanically it's real good. My hood is aluminum but I've had no problems with paint peeling. Up until recently I've always waxed the truck, but no more, it's not worth it with the rust. It's a real crime to pay $50,000+ for a truck and have it rust out in 10 +/- years. Where I live all brands of pick up trucks seem to rust faster than non pick up trucks, cheaper metal quality used on them
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Whimsey