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Porsche Club GB

Cracking Bumpers Grommit..!

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YOUR RESEARCHCracking Bumpers Grommit..!

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someone has kindly 'kissed' it

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Suspected cause · Original poster

Also there's a bit of scuffing off to the right (which wasn't there when I bought it, so I suspect someone has kindly 'kissed' it when it was parked up somewhere which of course might have bought it to the fore if the bumper flexed (grrr!).

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Cracking Bumpers Grommit..!
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Leading evidence: 'someone has kindly 'kissed' it' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'someone has kindly 'kissed' it' (1 discussions; 0 report identifying it and 1 suggest it). 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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someone has kindly 'kissed' it

No successful repair reported for this finding.

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Discussions that suspect a cause
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Suspected cause · Original poster

Also there's a bit of scuffing off to the right (which wasn't there when I bought it, so I suspect someone has kindly 'kissed' it when it was parked up somewhere which of course might have bought it to the fore if the bumper flexed (grrr!).

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Cracking Bumpers Grommit..!
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  • Porsche Club GB: 1 discussions

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POST 1 / ORIGINAL POSTEROriginal post

Noticed a little bit of crazing and cracking appearing around the centre of the front bumper on my C2. I know the bumper was re-sprayed before I bought the car - the cracks are thin and longitudinal - just wondered if this is typical of an age problem with the GRP bumpers, or whether it might just be a crappy respray? Also there's a bit of scuffing off to the right (which wasn't there when I bought it, so I suspect someone has kindly 'kissed' it when it was parked up somewhere which of course might have bought it to the fore if the bumper flexed (grrr!). Any views or experience in this area appreciated. J

POST 2Original post

Im afraid the kiss has probably re awakened the damage, its all repairable by a good bodyshop,

POST 3Original post

They aren't GRP. They are a polyeurethane material, mainly PMMA, which doesn't craze like GRP. Even a really good paint job will crack as you describe with a bump. The bumper will flex back into shape if it isn't too big an impact, but the paint is a lot mure brittle.

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