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[TheBoy]

See pic (linked so you can see in original resolution, and zoom in).  WTF?

https://theboy.omegaowners.com/oofpics/oof_odds_and_sods/chav-paintwork.jpg

[Doctor Gollum]

Water blisters or rust?

Which panel is that? One of the blown over ones following the bbq?

[Broomies Mate]

Micro Blistering.

That's seen some paint in it's life I would have thought.

[Nick W]

Micro Blistering.

That's seen some paint in it's life I would have thought.

That.


You have two options:


Sand the whole area back to metal and repaint using a matched paint system, ensuring that the manufacturer's procedures are followed to the letter.


Ignore it.

[TheBoy]

Its the roof, boot and top of rear wings.

As far as I know, its never been resprayed, and certainly lacks the orange peel effect.  Doors not showing same effect.  Bonnet and front wings not showing same effect either, but they are not original, as I swapped my downtown Beirut looking ones with VXL V6's diesel when he was looking the other way.


(Only item resprayed following "the incident that we don't mention" was the front bumper, after it was reheated again to try to straighten it).

[TheBoy]

Micro Blistering.

That's seen some paint in it's life I would have thought.

That.


You have two options:


Sand the whole area back to metal and repaint using a matched paint system, ensuring that the manufacturer's procedures are followed to the letter.


Ignore it.

You missed option 3. Scrap it

[TheBoy]

Press on the buttons, and water squirts out, so guessing water has managed to get under the paint?

This is, obviously, the first time I noticed it, but it has been mostly raining all week.  Would the -12C from the week before helped it along its way?

[Broomies Mate]

Press on the buttons, and water squirts out, so guessing water has managed to get under the paint?

This is, obviously, the first time I noticed it, but it has been mostly raining all week.  Would the -12C from the week before helped it along its way?

The ice would have definitely (not) helped the situation.  The moisture has probably always been there, but with the expansion due to freezing, and for a lengthy period of time, casued it to become visible.

A couple of days of sunshine should see it receed, that's if the colour and laquer doesn't split.

[Rangie]

Had a Cortina 2000E a few years ago had what looked similar on it pressed a bit & water came out didn't like the looks of it so pxd it for a Granada , a bit worrying any bodywork specialist would put you right.

[VXL V6]

Well both of my silver cars have the same issue in various places that I don't believe have ever been resprayed, also the clear coat  and silver have flaked off where the roof bends down into the drainage channel on one side. there was no rust underneath so I think it's the affect of being sat in the sun for many years.

[dave the builder]

Mines the same 
seems to be a rare z157 silver paint issue 
someone said it was due to antifreeze mix
I'm not convinced
I think it's a paint issue from factory that's now showing with age

[TheBoy]

The shock is its gone from zero (that I'd noticed) to several hundred of these, seemingly overnight*, which had me perplexed.



*OK, maybe over a week or 2, as with it pissing down most of the week, I might have discounted them for raindrops on the car...

[cam.in.head]

This is the same on mine too. There were a few on the roof only  5 years ago when I bought it and I had the roof painted. All was well.
They then started to appear on the bonnet and boot more recently which is why I advertised for panels wanted a while back. Mine was original paintwork too and after seeing a few silver omegas around and on eBay it seems to be a problem affecting them too .but just the z157 not z147 ?
Just before Christmas I decided to bite the bullet and visited my local body shop. There are a few around by me but lots don't have an oven so just air dry the paint. This time of year and after having various issues over the years with soft paint  wanted it baking in an oven properly.
They looked at the car and decided it was a windscreen out bare metal respray and quoted me a price which I was happy with. They said they had seen a few similar silver cars recently ? .
Anyway car is back now complete with all new paint on everything even the sides. Everything basically above the lower door trim strips .they also did the bumpers because the masking tape pulled paint off and finally sanded and lacquered the headlamps too.
Don't know why it's happened ,they agreed it was original paint and think it was to do with heat seeing as it affected horizontal panels mainly although it was on the sides. (Tops of wings and rear quarters and bits on doors. ) plastic items like rear trims,side trims,mirrors bumpers unaffected.
I intend keeping the car and it wasn't an expensive purchase initially(£230 spares or repair) so it is worth it to now have a "new" looking car that will last me the next 20 or so years

[TheBoy]

Wow, never knew the Z157's had such a common problem

My (far superior) MFL MV6 was Z147, which (predictably) was superior as well

[Doctor Gollum]

And you scrapped it because... 

My Desmond Oxymoron had 26k on it but the paint on the upper surfaces was trashed from a year under a tree. Looked like it had been stonechipped from above once it was cleaned up.

That was Z157 too