Is this premature clearcoat failure?



























I'm in the middle of correcting this car and I'm not sure what this is.

If it is premature clearcoat failure, how should I go about handling it?

will appreciate your comments!! thank you
 
Wow, that's weird. It almost looks like someone burned through a layer of the clear at one time, but I don't think that's it. Was the car ever repainted? What's odd is that the line goes all the way from the rear glass to the side glass. Is this the only line like this on the car?



This is sort of out there, but it looks like what happens after a new layer of clear is sprayed *over* two areas that do and do not have clear on them. Does that make sense? Is this a new car, or an old car?
 
SpoiledMan said:
Looks like a "blend" line. Ever have any body work done in that area? Say to the panel leading up to that area.



That's exactly what I was trying to say also, and just couldn't think of the word. :hifive:
 
JDookie said:
That's exactly what I was trying to say also, and just couldn't think of the word. :hifive:





I agree :spot



I have two areas like that on my hatchback and both are from poor a quick paint job from a auto accident
 
Hey guys,

I just noticed that there is the same thing on the passenger's side C-pillar. The pictures above are of the driver's side.

The car is an old JaguarXK8... it's quite old. I am not sure if there has been any work done to the car.



So would it be okay if I polish over that area? My current process is



M85/Wool followed by M83/W-8006 and M82/W-9006 on the rotary...

or I shouldn't use a rotary near that at all...



thanks for the feedback thus far!
 
I think it's a blend especially if it's the same on both sides. I just did a porsche with a similar issue. I polished normally right over it, no change to the line of course.
 
fishbonezken said:
Hey guys,

I just noticed that there is the same thing on the passenger's side C-pillar.



That solves it then. Someone probably had the roof repainted, or at least re-cleared. Just polish and protect as normal, nothing you can do about the line short of another repaint.
 
Picus said:
I think it's a blend especially if it's the same on both sides. I just did a porsche with a similar issue. I polished normally right over it, no change to the line of course.



JDookie said:
[quote name='fishbonezken']

Hey guys,

I just noticed that there is the same thing on the passenger's side C-pillar.

That solves it then. Someone probably had the roof repainted, or at least re-cleared. Just polish and protect as normal, nothing you can do about the line short of another repaint.

[/QUOTE]



THANK YOU VERY MUCH !!! Will update again once I polish over that area tomorrow.

Thanks once again! I'm relieved now...
 
Funny, I was just about to create a post on blend lines LOL As I polish blend line keeps "moving". What causes that? How to stop it? How to minimize visibility of blend line?
 
ZoranC said:
Funny, I was just about to create a post on blend lines LOL As I polish blend line keeps "moving". What causes that? How to stop it? How to minimize visibility of blend line?



I can only imagine that the line "moves" in the same way things move when looking through a magnifying glass. When you polish and refine the surface, you are changing the optics (lens if you will) which will then change the way your eye sees the line. As far as how to stop it, I have no clue, but I'm sure types of sealant, carnaubas, polishes, etc. will all make it "look" different.
 
You guys are on to the right path, but not accurate. It's called a clearcoat "burn". The painter didn't clear the entire panel and now it's falling apart. It's a bib no-no for 2 & 3-stage refinishing. You can try to knock it down with some sandpaper, but it will creep back up on you in a matter of time.
 
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