11 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHMichelin PS2 side wall failure
Leading reported evidence
Replace four tires today, and was mulling $1,500
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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Performed · outcome unconfirmed · Original poster
I replaced all four tires today, and was mulling $1,500 for new Michelin PS2's or Continental Extreme Contact DW for $925.
Leading evidence: 'Replace four tires today, and was mulling $1,500' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check tire pressures' (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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Suggestion
+3 ......I'm a busy guy too but I can find 60 seconds in my day to check tire pressures.
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Suggestion · Original poster
If nothing else, I can replace tires more frequently as well.
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Suggestion
Fortunately that didn't happen and all that did happen was I did a quick tire swap using the full size spare and I was on my way.
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.
11 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.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T011819Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Tire failure
Was city driving around 40 MPH when I had a flat on my 18 inch S2 rear. Was surprised at how it failed, the inner side wall began separating. The tire was getting up there in miles, but still had tread. I'm glad I wasn't going at freeway speeds. In full fairness to Michelin, I hadn't checked the tire pressure in a couple months (work has been very busy), so conceivably it might have been under-inflated as a contributing factor, however it wasn't particularly cold when the failure took place.
I replaced all four tires today, and was mulling $1,500 for new Michelin PS2's or Continental Extreme Contact DW for $925. I resisted the idea that paying 50% more translates to much better and went with the cheaper Conti's. So far, am very happy. Perhaps there is minor incremental loss (imagined or real), but for city driving with the occasional lightly aggressive driving, thought to share that saving 50% on 4 new tires seemed like a good path for a 12 year old car. If nothing else, I can replace tires more frequently as well. The differential in price seems really high given I'm not sure I could fully tell the two tires apart.
While the specs call for considerable negative camber at the rear and you can expect more wear on the insides, your photo suggests either too much of that or perhaps even wrong toe. I'd encourage protecting your investment with an alignment.
That one tire could have had a puncture and been way down on pressure, and that led to the sidewall failure. When driving "normally" you might not notice the low pressure until the tire lets go. I've seen this happen twice, one in a 996-1 I was driving, and another time in a Boxster I was following.
I strongly suspect that tire quality had nothing to do with your incident.
Most importantly, neither you nor the car got dinged when the tire went flat, which is the important thing!
If you see sidewall "burn" uniformly around the entire sidewall, it usually indicates an under inflation / heat failure. Look for little burnt pieces inside of the tire. The tire may have been under inflated to begin with or may have had a very sudden pressure loss just before failure.
Exactly right. I had a low tire -- bad valve stem valve -- on m VW Golf. The tire went low but I never noticed it was low while driving on the freeway.
After some time I stopped to rest and after a short nap woke up and got out to stretch and walking around the car spotted the right rear tire flat.
I had driven the tire low on air, so low that the belts were showing on *both* the inner and outer edges of the tire. The tire was probably just minutes from blowing out when I stopped for a rest.
Fortunately that didn't happen and all that did happen was I did a quick tire swap using the full size spare and I was on my way.
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