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      01-06-2013, 01:23 AM   #1
mibmwx3
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Screw in Snow Tire

Took the dog out and noticed a screw in my tire. Not sure when I ran over it, but the car has been in the garage for over 10 hours. The tire pressure is 36 psi. It is a Dunlop Winter Sport 3D run flat, and it appears there is a road hazard warranty on it. I called the number in the warranty to locate a dealer. There was only 1 dealer for this run flat tire and it is 62 miles from my home. It will not be open until Monday. Is it safe to drive short distances, or do I need to stay put until Monday? Do you think it can be patched or will I need a replacement? Thank you.
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Last edited by mibmwx3; 01-06-2013 at 01:35 AM.
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      01-06-2013, 02:07 AM   #2
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Personally I would have no hesitation running the car for a few days with this in it. Have you sprayed soapy water on it to see if air escapes? From what I can gather repairs can be done with this kind of damage by fitting a vulcanised plug so a new tyre should not be necessary. Hopefully the object has not penetrated the tyre and can simply be pulled out then you can sit back and just enjoy the long drive back from the tyre specialist!
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      01-06-2013, 02:24 AM   #3
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Thanks scotta2. I just checked with soapy water, and there were no bubbles. If it looks like they'll just patch it, I can bring it to another Goodyear dealer much closer. I don't know how long it has been in my tire, so don't know how long I've already been driving on it.
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      01-06-2013, 05:38 AM   #4
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Hi, you may well be lucky in that it may not have pierced the inner wall of the tyre itself. Tyre walls on the treaded area are about 4mm (1/8 - 3/16") thick and you look as if you have plenty of tread there.

I'd have thought the soapy water test would have shown it bubbling up if it had punctured through. Could just be creating a good seal around the shank of the nail of course.

I've had similar in times past (not rft's though) and i've always removed the nail / tack and monitored the tyre pressure for a few weeks. The rubber just goes back to its original shape. If it has punctured, the likelihood is a very small leak - 'slow' puncture.

You are right to be cautious though and a trip to the tyre dealer is the best option. They will probably remove the nail and can put it into a tank of water to monitor the tyre for a leak.
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      01-06-2013, 06:32 AM   #5
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Quote:
Originally Posted by mibmwx3 View Post
Thanks scotta2. I just checked with soapy water, and there were no bubbles. If it looks like they'll just patch it, I can bring it to another Goodyear dealer much closer. I don't know how long it has been in my tire, so don't know how long I've already been driving on it.
I wouldn’t worry too much and it should certainly be driveable to where you can get it removed and plugged, but check the pressure again before you leave. The head has been rubbed quite smooth so its likely been there a while. In fact its quite a large flattish head which suggests it is probably a ‘tack’ and therefore quite short, rather than a screw. Also, it has gone in the thicker wedge of the tyre rather than the grove where it could possibly have pierced the tyre.

I had a similar situation last month on a brand new two day old winter tyre half way on a 1,000 mile journey between UK and Eastern Europe, but the 2 inch long screw went in the groove between the treads causing a puncture. I hate run-flats and carry a ‘plug kit’ which we used and managed to fit after extracting the screw, without even removing the wheel off the car; luckily it was near the middle of the tyre and not on the side so, is quite safe. Have done 3,000 miles since then and the repair is still OK.
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      01-06-2013, 10:22 AM   #6
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Had a similar problem with my wife's car. The tire dealer pulled it out and it was about 1/8" long and never pierced completely We were still cautious enough to have it checked, as I did not want to pull it out (not being a run flat). That's my guess about your situation, since it shows no bubbles at all on a leak test.

btw...
ROAD HAZARD WARRANTY: It seems some tire manufacturers have discontinued the road hazard part of their warranty. Tirerack indicates this on their site for Goodyear LS2. Search for that tire, click on "warranty" and look for the .pdf called: "Warranty for replacement tires purchased on or after 11/01/12". Note that tires purchased prior to that do include road hazard warranty. I checked with my dealer service manager also and he said that both Goodyear and Dunlop discontinued this this. In case some might be thinking they are covered for road hazard with newer X3's, I suggest checking this.
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      01-06-2013, 10:38 AM   #7
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Thanks everyone for your responses. Pressure still at 36 psi this morning. It is a phillips head screw which is pretty worn and not visible in the picture. Looks like the type that goes with a cabinet knob so could be pretty long. Noka, since I purchased the tires in November, 2011, I still have the road hazard warranty.
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      01-06-2013, 11:59 AM   #8
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In case the screw did "pierce", the tyre can indeed easily be repaired with a plug. Good luck!
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