Repair run flat tires
06-27-2018, 04:09 AM
#1
Intermediate
Thread Starter
Repair run flat tires
Can I get a patch repair on my Michelin Run Flat tires? Nail right in the middle of tread section. 2016 Z51
thanks in advance
thanks in advance
Popular Reply
06-27-2018, 07:57 AM
These tires are patched often and it's rare anyone reports a problem with the repair. You should however keep in mind that Michelin does NOT recognize the tires as being speed rated after being patched.
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
Manufacturer Runflat Tire Repair Policies
Repair Effect on Tire Speed Rating
06-27-2018, 07:20 AM
#4
Race Director
Yes but make sure that it is a combo plug & patch type (mushroom style)!! I have had a number of GY and Michelin RFs repaired for free by Discount Tire. Never a problem.
06-27-2018, 07:36 AM
#5
Safety Car
Should be no problem as long as you find a tire shop that has the correct equipment to change run flats. Tire should be patched from the inside. MOST dealers are NOT qualified.
06-27-2018, 07:39 AM
#6
Racer
These tires are patched often and it's rare anyone reports a problem with the repair. You should however keep in mind that Michelin does NOT recognize the tires as being speed rated after being patched.
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
06-27-2018, 07:41 AM
#7
I have used the red super gooey plugs at a service station back in the day and although thier are better things out there I must have put in 100's of them and they never came back. In fact we got rid of our patches and just stayed with the plug.
That being said I have my own personal rules after doing it and seeing the results on a day to day basis.
1. Never plug on the sidewall unless you plan on riding the shoulder to get to a service station.
2. Only put in enough plug to go though your tire about 1/4 of an inch on the inside. Yes its hard to know how far in to go but when you ream the hole you should have an idea.
3. Cut off the excess outside. When you add the plug you can change the weight of the tire and get a wobble.
4. Consider that plugged tire compromised and do not attempt to hit 190mph on a plugged tire. Sure it might hold but not a good idea.
5. Monitor the tire for a few days and you should be ok.
Key rule is a plugged tire is no longer to be trusted on high performance tires.
I know some people will disagree but that is coming from the professional side of the house and we like to error on the safety aspect.
Btw I made $4.20 cents and hour back when I was 16 doing this so I know what I am talking about lol.
Thankfully things have changed since then but I would still use a red juicy plug until I replaced the tire.
Woody P
That being said I have my own personal rules after doing it and seeing the results on a day to day basis.
1. Never plug on the sidewall unless you plan on riding the shoulder to get to a service station.
2. Only put in enough plug to go though your tire about 1/4 of an inch on the inside. Yes its hard to know how far in to go but when you ream the hole you should have an idea.
3. Cut off the excess outside. When you add the plug you can change the weight of the tire and get a wobble.
4. Consider that plugged tire compromised and do not attempt to hit 190mph on a plugged tire. Sure it might hold but not a good idea.
5. Monitor the tire for a few days and you should be ok.
Key rule is a plugged tire is no longer to be trusted on high performance tires.
I know some people will disagree but that is coming from the professional side of the house and we like to error on the safety aspect.
Btw I made $4.20 cents and hour back when I was 16 doing this so I know what I am talking about lol.
Thankfully things have changed since then but I would still use a red juicy plug until I replaced the tire.
Woody P
Last edited by WoodyP; 06-27-2018 at 07:43 AM.
06-27-2018, 07:57 AM
#8
These tires are patched often and it's rare anyone reports a problem with the repair. You should however keep in mind that Michelin does NOT recognize the tires as being speed rated after being patched.
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
Personally, I'd never run mine at the Texas Mile or on any course exceeding 100 or so miles per hour with a patched tire. I recognize people do it often without problems. Ask Michelin for their opinion....
Manufacturer Runflat Tire Repair Policies
Repair Effect on Tire Speed Rating
Last edited by Foosh; 06-27-2018 at 08:14 AM.
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06-27-2018, 08:35 AM
#9
Team Owner
Absolutely no problem.
06-27-2018, 08:52 AM
#10
Safety Car
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Plugged one of my rears a couple months ago, no issues. My tire guy tells me the plug material is better than they used to be, no need to patch and plug, just plug.
06-27-2018, 09:03 AM
#11
Race Director
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06-27-2018, 09:07 AM
#12
Your tire guy's opinion is at odds with approved tire manufacturer repair policies. You may not have had any issues, but he's wrong.
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06-27-2018, 09:08 AM
#13
Race Director
The hassle removing the wheel from the car, then removing the tire from the wheel is not worth it in my mind. The idea of "patching" the tire originates from the possibility that a plug by itself, may still leak air. There is nothing structural about the patch, in fact its somewhat easy to damage the structure of the tire when installing a patch, and even with a patch, you still have to install a plug. So, in my mind, you might as well just plug the tire (don't even remove it from the car) and if it still has a slow leak then go and get it patched. Nine times out of ten, just the plug will get the job done.
All of the above assumes you didn't drive around with a flat tire, if you did then you should remove it from the wheel and inspect for damage inside.
06-27-2018, 09:53 AM
#14
Safety Car
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Plug
All I can tell you is my own experience, I have had 5 tires plugged only in last 4 yrs. No issues with any of them. In fact my high end tire shop said their tire plug supplier came in for a show and tell with 25 plugs on the sidewall on a suburban. I wouldn't recommend that but just passing on what I was told. If you want to plug and patch by all means do it.
06-27-2018, 01:33 PM
#15
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06-27-2018, 01:38 PM
#16
Melting Slicks
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I have lost count on how many times I have had to patch a run flat. I have never had a problem with a patched run flat. The usual advice is to not patch if the hole is near the sidewall.
06-27-2018, 03:42 PM
#18
Some folks repair holes in engine blocks w/ JB Weld, and work wonders the duct tape. However, those are not recommended repair methods. The combo plug patch is, but requires a tire dismount.
Last edited by Foosh; 06-27-2018 at 04:01 PM.
