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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHAnyone ever hear of a paint defect known as "solvent pop"?
Reported or suspected cause
probably "solvent pop"
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
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Discussions that suspect a cause
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Suspected cause · Original poster
Dealer body/paint guy at McKenna (so cal) claims the problem is probably "solvent pop".
Anyone ever hear of a paint defect known as "solvent pop"?
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Leading evidence: 'probably "solvent pop"' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'probably "solvent pop"' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Inspect surface carefully' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
Inspect surface carefully to ensure all craters have been removed.
Anyone ever hear of a paint defect known as "solvent pop"?
Test cpo just yet
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Anyone ever hear of a paint defect known as "solvent pop"?
Outcome qualification: Negation, uncertainty or missing explicit repair resolution overrides the raw extraction signal.
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 1 adjusted by outcome qualification.
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Generation: 20261026T130754Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
My CPO Lapis Blue '02 C4S has something strange happening to its paint. Looks like white specks under the clear coat, almost like some dust settled on the car...but it's "under" (or "in"?) the clear coat layer. It's more noticeable on some parts of the car than others.
Dealer body/paint guy at McKenna (so cal) claims the problem is probably "solvent pop". He's seen it on other cars but not on Porsches.
He thinks clear coat may have been applied too soon after paint, or paint didn't get "hardener" added???
There is no indication that this car has ever had any body/paint work performed post-factory (this is also opinionn of dealer & my detailer shop).
I did not notice this paint defect when I bought the car 18 months ago (would not have bought it had I noticed). Almost seems as though the problem has grown gradually over the time I've owned the car, but not sure if that's possible.
Car still under original 4yr/50k warranty. No need to test the CPO just yet.
Sounds like I may (not determined yet) get a total repaint of the car on Porsche's dime. This scares me to death. I suppose that *IF* it were done right it will come out looking showroom new...but I'm too old and jaded to feel very comfortable about this coming out right. But I'll have a hell of time selling this car eventually if I don't have something done about it.
Any advice, things to watch out for, etc would be greatly appreciated. I'm not a paint expert.
Thanks!
From my experience, I wouldn't sweat a repaint if the shop that does the work is one that does Porsche warranty work(which sounds like your situation). I got hit from behind just hard enough to require replacement of the rear bumper cap, and the shop matched the paint perfectly. If they do your whole car, better still.............
from:
http://www.sherwin-automotive.com/re...ping/index.cfm
SOLVENT POPPING
(Boiling, Blowing)
Small bubbles, pinholes or crater-like openings in or on the paint film.
CAUSE
1. Liquid solvent (thinners/reducers) becomes "trapped" in the paint film when the surface layer skins over too quickly, preventing their evaporation into the atmosphere. Solvents that vaporize within the paint film leave bubbles, pinholes or craters as they push through and "pop" the surface. Solvents can be trapped due to:
1. Thinner/reducer evaporating too fast for spraying conditions;
2. Inadequate flash time between coats;
3. Excessive film thickness or "piling on" of heavy/wet coats;
4. Too much air movement causing surface to "skin over" before solvents evaporate;
5. Excessive purge/flash time before force drying.
REPAIR
1. Allow finish to thoroughly dry/cure, sand smooth and refinish. Inspect surface carefully to ensure all craters have been removed.
2. Severe popping will require removal of the affected film. Prime, seal and recoat, as necessary.
Yes, we see it more often than we should. We often see it on brand new deliveries, which really sucks.
Reactions between the layers of finish are the usual culprit. It can be resolved, but find the best shop you can.
This is a source reference. Confirm exact model applicability in the original material.
