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Posted: 8/21/2017 8:37:14 PM EDT
I noticed a paint blister on my 2010 Ram today. I can push on it and it doesn't feel like rust behind it, just like a bubble , but I would almost have to think there's rust behind it. What is the best way to go about fixing this? Here is a pic of the blister.

Attachment Attached File

Its right next to the H in the Hemi badge....HALP! 
Link Posted: 8/21/2017 8:40:59 PM EDT
I can practically guarantee you there is a hole hiding behind that blister.  Not a big hole, but a hole none the less.
Link Posted: 8/21/2017 8:41:41 PM EDT
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Link Posted: 8/21/2017 8:43:23 PM EDT
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I can practically guarantee you there is a hole hiding behind that blister.  Not a big hole, but a hole none the less.
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Link Posted: 8/21/2017 8:43:29 PM EDT
Cut out rust
weld in metal to fill hole
grind down welds
more bondo
more sanding
more bondo
more sanding
finishing bondo
more sanding


Take to body shop and spend a bunch of money


Ignore it like everyone else...it's a truck, some rust is some character.
Link Posted: 8/21/2017 8:44:22 PM EDT
Not a pro, but as an amateur that's done a fair share of bodywork I'd say there's rust under there.

If I was doing it I'd remove the paint, media blast the area, feather the surrounding area and prime and paint.

Probably Overkill but rust tends to keep coming back.

Pros probably have better suggestions though.
Link Posted: 8/21/2017 8:51:27 PM EDT
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Lol, I thought of that, or getting some of those phoney stick on side scoops...it'd be like tapco-fucking my truck... 
Link Posted: 8/21/2017 9:18:04 PM EDT
Car painter here .

Could be rust or something else.  Regardless the repair is the same.  Need to sand down to metal and either weld if hole and rust or just prime fill and paint if some other kind of contamination caused that.  Could have been something on the ecoat or something.  

A good painter will be able to match and blend that and you shouldn't need to detrim much for a fender.    Probably looking at around a 500 dollar repair give or take at a good shop with good paint. 
Link Posted: 8/21/2017 9:33:39 PM EDT
Oh, that be rust.

Trucks look good with a bit of patina.
Link Posted: 8/21/2017 9:36:33 PM EDT
Can't believe I'm the first (?) -just replace the fender.  

Don't fix it, just replace the fender.  They're ~$200 + paint.  Are you really going to get someone to cut, weld, fill, prime, seal, and paint for $200?

It's rust, there is a sound deadening pad behind the fender that likes to hold water for some reason, and it causes the rust.
Link Posted: 8/21/2017 9:37:31 PM EDT
Cheapest and best option aren't always the same (for a real fix) but here it is.  Just buy a used tailgate off a wrecked truck on eBay and have it shipped to you.
Link Posted: 8/21/2017 9:51:05 PM EDT
I do see that you are up North, but still not necessarily rust. Has it ever been repainted? That looks like a solid non metallic red. Here in Southeast Texas, that solid red fades horribly. All the bright red/orange fades out and the color takes on a bluish hue. If it is the same up there, and that blister being so close to the door, you may have to blend the color to the door for a good color match. Easy to check, just open the door and see if the jambs are a brighter red or remove the emblem and clean off the double side tape adhesive. Put the correct color on one down here and it looks like a fugging two tone. To see what's under the bubble, cut it open with a razor blade if you are committed to repairing it.

If it is faded bad and if you do have it repaired, have your repair shop pull a color chip from a 89-90 Mercedes, paint code DB589(if my pornogr...I mean photographic memory serves me correct) and compare. It may be the perfect match.
Link Posted: 8/21/2017 9:55:13 PM EDT
I don't know how old your Dodge is, but it's been my experience that rust on a Dodge product is like the self-destructing message in the Mission Impossible movies.  One day everything is fine, then - BAM! - your entire car is iron oxide, held together by road grime and all the oil that leaked out over the years.
Link Posted: 8/21/2017 10:04:15 PM EDT
As seven year old vehicle in WI and you don't think it's rust 

I suggest you sell it if that bothers you cause there is ALOT more hiding that will start showing it's ugly head soon
Link Posted: 8/21/2017 10:13:02 PM EDT
Trucks that are actually used as trucks have battle scars, so this little bubble should be nothing to worry about, just another notch on the tailpipe.
Link Posted: 8/21/2017 10:15:37 PM EDT
It's totaled. 
Link Posted: 8/21/2017 10:21:41 PM EDT
Just get a new body panel and have it painted? Probably cheaper and more effective.
Link Posted: 8/21/2017 10:28:10 PM EDT
I'm having the same issue. But it's two rust spots at the same point above both rear tires. I'm trying to find the best solution to have it removed. Never thought about getting another fender.
Link Posted: 8/21/2017 10:46:06 PM EDT
This is a gun forum.   Clearly you should eliminate the rust with a decorative bullet hole.   I recommend using a .45 to ensure the rust is completely removed.
Link Posted: 8/21/2017 10:58:11 PM EDT
Has anyone priced out a new frame for a 2010 Ram for the OP yet?  
Link Posted: 8/22/2017 12:42:14 AM EDT
Does that badge have studs holding it on the fender? Looks like water may have migrated in under the badge. Honestly, something that small I would get a syringe and inject some rust converter.  Suck the overfill back out with the syringe and it should collapse and seal the bubble.
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