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Aluminum fender corroded thru by its attaching Steel Bolt.

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Old 08-10-2015, 05:14 PM
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Default Aluminum fender corroded thru by its attaching Steel Bolt.



Here we go. Front passenger fender has corroded through due to its very own attaching steel bolt and washer.


I guess Ford did not study up on what happened to the old aluminum bodied Land Cruisers that used steel bolts throughout.


History repeats itself.
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Old 08-10-2015, 05:23 PM
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You're kidding right!!

Old 08-10-2015, 05:24 PM
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Well that sure don't look good. You truck??
Old 08-10-2015, 05:27 PM
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hard to tell,
scrape the paint off gently around the bolt or washer.
sort of hard to tell exactly.
could be bonding sealant or bubbled paint from dissimilar metal corrosion
corrosion doesn't normally make popped bubbles like a dish soap bubble
Old 08-10-2015, 05:38 PM
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You consider that corrosion?
Old 08-10-2015, 05:43 PM
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Originally Posted by CurryBob
Well that sure don't look good. You truck??
My truck. The first layer of aluminum is completely corroded through at the edge of the washer, "southwest quadrant" of my picture if you say up is north.

It is heavy corrosion due to the dissimilar metals, and the other attaching bolts are starting on both front inner fenders where they attach. This truck was built mid December of 2014, so it's had awhile to corrode.

These trucks aren't going to last long since Ford attached all this aluminum with steel bolts and washers, uncoated.

Happy 2 weeks of ownership for me! Already getting 7 major exterior paint defects fixed by Ford.
Old 08-10-2015, 05:49 PM
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Originally Posted by Gadgitz
You consider that corrosion?
When it has holes all the way through, yes. That's what's holding our fenders on, so, they last 8 months before corroding through.
Old 08-10-2015, 05:52 PM
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That's bonding sealer...not corrosion. The steel would be the first metal to corrode, not the aluminum.

Ready, Fire, Aim...
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Old 08-10-2015, 05:55 PM
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Originally Posted by bigandtall
My truck. The first layer of aluminum is completely corroded through at the edge of the washer, "southwest quadrant" of my picture if you say up is north.

It is heavy corrosion due to the dissimilar metals, and the other attaching bolts are starting on both front inner fenders where they attach. This truck was built mid December of 2014, so it's had awhile to corrode.

These trucks aren't going to last long since Ford attached all this aluminum with steel bolts and washers, uncoated.

Happy 2 weeks of ownership for me! Already getting 7 major exterior paint defects fixed by Ford.
Actually all the bolts and washers are coated or aluminum.

I checked mine at several locations, nothing.

Let us know what your dealer says!


Bob
Old 08-10-2015, 06:00 PM
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Originally Posted by CurryBob
Actually all the bolts and washers are coated or aluminum.

I checked mine at several locations, nothing.

Let us know what your dealer says!


Bob
I put a magnet on these and they are steel and appear to have no coating when I looked at the underside of the bolts. It may be awhile before I get back to the dealer. It's 80 miles round trip for me and I was just there today getting my first oil change and my exterior paint defects lined up for repainting by Ford. Wish I had seen this before I got back home today.


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