14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHContinentals defective?
Leading reported evidence
Run conti's
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed
I've ran Conti's on most all of my vehicles and never had that happen, seems very odd (and unsafe).
Leading evidence: 'Run conti's' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check valves' (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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Performed · outcome unconfirmed
This is why I run metal valve stems and aftermarket TPMS...
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Performed · outcome unconfirmed
They seem to "slide around" more than other tires I have used on the 996.
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Suggestion · Original poster
Lesson learned check your valves for perishing rubber
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Suggestion
It seems almost as if the sidewall on these tires is too flexible and I can feel that flexing when changing direction.
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.
14 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 · 0 adjusted by outcome qualification.
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Generation: 20261027T051247Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
So these tires are 3 years old, about 4-5k on them, bought from tirerack, no signs of punctures or problems. Totally failed on me yesterday, weird random sidewall failure. Anyone seen this before? BTW I drive this car like an old fart
I'd reach out to Continental (not sure they'll do anything but doesn't hurt to inquire). I've ran Conti's on most all of my vehicles and never had that happen, seems very odd (and unsafe). 3 years isn't that long even with only 4k miles on them.
Yikes - haven't seen that happen on a car tire before. Somewhat ironically, I used to run Continental tires on my road bike. It's been the only tire that's ever given me a side blow out...
Wow, that damage is really ugly, are these Extreme Contact Sports? It looks like there is other damage/scraping on the surface of that inside sidewall. Is it possible that you ran over something and didn't realize it at the time?
I put Extreme Contact Sports on my 996 last year and so far I'm not really satisfied with them. They seem to "slide around" more than other tires I have used on the 996. It seems almost as if the sidewall on these tires is too flexible and I can feel that flexing when changing direction. They provide great grip once you are in a corner but they seem to "slide" upon corner entry or changing direction. Perhaps mine were just really greasy when new.
u may be surprised at how quick a tire will come apart when run low on air. Is it possible that the tire was just low for a while before it went full flat?
I guess it's possible but a few days before this happened I put the car on the ramps to change the oil/filter, I think I would have noticed the tire being low
Well I thought I'd close the loop on this after finally figuring out the cause.
It seems when I got these 2 rears fitted, the tire place put 1 new valve in but left 1 the same. So due to old age it cracked and leaked, running the tire low and destroying it.
I just dropped off the wheels for new tires, and made sure the valve on the good tire was cut so can't be reused again.
Lesson learned check your valves for perishing rubber
