G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Plugged Tires After a Flat

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Old Apr 11, 2005 | 03:25 PM
  #2  
lowrider's Avatar
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Never, I repeat Never plug a tire from the outside. They are unreliable. Always patch from inside the tire. Today, there is a new kind of plug/patch combo. They plug the hole, from inside, and then patch it, again from the inside. Not sure of the procedure, but it is supposed to be safe.

Holes can only be patched if only in the tread area. Never patch if the hole is near the edge of the tread.

Lou
 

Last edited by lowrider; Apr 11, 2005 at 09:47 PM.
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Old Apr 11, 2005 | 03:50 PM
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Good advice from lowrider!
And yes, the noise will go away as the rubber plug extending beyond the tread wears off.

low profile tires will always transmit more vibration and noise, there is less air cushion and flex with a narrower tire aspect ratio on a 19" on this car.
 
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Old Apr 11, 2005 | 04:56 PM
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I've been told that the speed rating for the tire is no longer in effect after such a repair.
Be careful, and if you're skeptical, please get some professional advice on this.

C.
 
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Old Apr 11, 2005 | 05:02 PM
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Everyone is right never plug a tire after a flat no matter who does it. The plug could actually cause a split in the tire after awhile and cause the tire to puncture. Im surprised the dealership even mentioned about plugging and not patching. Always patch on the inside.
 
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Old Apr 11, 2005 | 06:01 PM
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plugs are really intended for a temp fix, if the tire is repairable it must be a patch, and you should read the dealer the riot act for giving you a plug.
 
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Old Apr 11, 2005 | 07:08 PM
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Originally Posted by Gsedanman
I've been told that the speed rating for the tire is no longer in effect after such a repair.
Be careful, and if you're skeptical, please get some professional advice on this.

C.

he's right, bcareful after a patched tire. it will no longer have the same speed rating it had prior to patch. though ive never lost a tire due to fast driving w/ a patch. reason im saying it, is if you purchased the wheel tire warranty you should be able to plead your case for a new tire.

ppp
 
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Old Apr 11, 2005 | 08:23 PM
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G35Mechanic's Avatar
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personally I would never ever patch or plug a tire, always replace. Yes I would plug a tire so that I can get to somewhere or drive on for a week or somthing, but I wouldnt ever do much driving on a patch or plug. We used to patch tires all the time for customers and charge like $45. The thing is that patches are not reliable and everynow and then we would have the customer come back with a flat tire.

And for you guys with tire pressure sensors: Never, never, never, never, ever, ever, ever use fix a flat. It will ruin the pressure sensor, you do not want to have to buy one...it will be about the same cost as a decent tire.
 
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Old Apr 11, 2005 | 09:06 PM
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Originally Posted by Potty_Pants
he's right, bcareful after a patched tire. it will no longer have the same speed rating it had prior to patch.
That's up for debate. If you ever read Road & Track's Technical Correspondence column, the issue of whether a manufacturer's speed rating would stay in effect after a tire repair has come up a few times. Several months ago R&T indicated that Michelin (or perhaps it was another major tire manufacturer; someone correct me here if necessary) surprisingly advised that a proper patching would not affect a tire's speed rating.

I'd still err on the side of caution, though, and not go wild with a patched tire, particularly on the track. But I'm very conservative by nature.
 
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Old Apr 11, 2005 | 09:43 PM
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kenchan's Avatar
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For street, a patched tire is okay if patched correctly.
 
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