14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHFlat Tire - Plug repair? DC area
Leading reported evidence
Use self vulcanizing plug kits
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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Performed · outcome unconfirmed
FWIW, I have used the self vulcanizing plug kits from NAPA, Walmart etc.
Leading evidence: 'Use self vulcanizing plug kits' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check cracks' (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
Also if you have the tire off, check the wheel for cracks.
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Suggestion · Original poster
One dealer recommended NTB for a plug repair - any advice against this?
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Suggestion · Original poster
One dealer recommended NTB for a plug repair - any advice against this?
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.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T025149Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I came back from a trip to find the rear tire (Michelin Pilot Sport on 18" rims) had gone from 44lb to 4lb! I called Porsche roadside assistance, and they pumped it back up (at my request). Now it is down 10psi overnite.
One dealer recommended NTB for a plug repair - any advice against this? I am in the DC area.
Thanks
Also if you have the tire off, check the wheel for cracks. After one blowout (due to lo pressure) at 75 and a tire rolling off the wheel (due to lo pressure) on a slow turn; I found I had a leak thru a crack in the wheel.
dont do it!!! When they plug it basically they take the existing hole, make it bigger and then plug it with a rubber cork of some sort. Have them patch it from the inside
A plug is a good way to die if you crank up the speed occassionally. A patch, however, will let you drive the car normally. I had a tire on the M3 patched a few years ago and never had a problem with it.
Vision.. I had curb rash repairs a few times. The tire installer found it and said it was patched. who knows by whom? You can't use a knock off wheel with P Wheels - they don't match. $900 for the wheel.
I was amazed that you really can't see low tire pressure, the side wall is so rigid.
It depends upon where the leak is. If it is the side wall, then even a patch will fail over time due to
flex. If on the tread part of the tire, an inside patch will work fine. FWIW, I have used the self vulcanizing plug kits from NAPA, Walmart etc. with great success and never had one fail. One need not make the hole bigger. That said, the steel wires, I am told "can" cut the plugs over time.
Not a good idea to track any plugged or patched tire....you'd only be looking for trouble. However, I also admit to doing that a number of years ago, uneventfully and multiple times until the Dunlop wore out. All of this before I was any wiser.
regards,
Steve
NTB found a screw about 1 inch from the sidewall, and told me it was too close to the edge to patch.
A Porsche dealer said they could plug it
Cost on both is comparable (around $30)
Advice/comments? From what I have seen/heard, patching is preferred, but is the location problematic?
Thanks
Look for a local tire dealer that does both. Many of the small tire shops that also do auto repair may do both. Several in my area do. Or plug it yourself and bring it to the shop that will patch it. When the tire is removed, all they have to do is cut the plug flush and patch over it. Are these the orginal tires?
