Good Sam Club Open Roads Forum: General RVing Issues: Tire plugs
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Joined: 12/13/2005

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Posted: 06/17/19 12:50pm Link  |  Quote  |  Print  |  Notify Moderator

NRALIFR wrote:

Actually, the Tire Industry Association says:

“A plug by itself or a patch by itself is not an acceptable repair because the plug does not permanently seal the innerliner and the patch does not fill the void left by the penetrating object, which allows water to enter the body of the tire and starting corroding the steel belts.”

Also, the U.S. government through the Department of Transportation (DOT) regulates several aspects of tire repairs and maintenance. DOT sets tire repair guidelines that tire shops have to follow. They say:

“Repairing a punctured tire involves plugging the hole in the tire. It also requires a patch for the inside of the tire, around the area of the puncture. Note that tires have to be completely separated from the rim to be properly repaired, plugged, and patched.”


A competent tire shop will do the above.

The tire must be dismounted from the rim, which is....

No big deal unless money, time, or a bit of effort (to remove the wheel) is tight.

Only time for a trailer tire - the shop charged a whopping $15.
(I watched the repair).

BTW - yeah - have had car/truck tires plugged in the distant past with no failures (by myself & shops) but a bummer if it leaks.
Sooo - why "cheap out"..[emoticon]




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Posted: 06/17/19 07:59pm Link  |  Quote  |  Print  |  Notify Moderator

salem wrote:

I appreciate all the responses. The reason I asked the question is because a couple of days ago, while camping, I noticed a screw in my right rear 5er tire. I took it off and went to the only tire repair shop within a 45 minute drive. (which would have been down the mountain and back up) They only did plugs, as they did not have the equipment to remove a tire from its rim. The guy that plugged it said the hole went straight through and was clean and easy to plug. I wasn't sure what that meant till reading these posts. Anyway, when we got home, I had that tire taken off, the spare replaced with a new one,(spare was 5 years old or so) and now the plugged tire is being used as the spare. Before ok'ing the plug, I called my tire dealer, who has been in local business 50+ years, and is well respected locally, who said the plug would be fine. It was my choice to trade the tire for a spare. Anyway, thanks for all your very helpful responses. If it ever happens again, I'll have more information to base my decision on. You've all been very helpful.

Learn from the experience and purchase a top quality plugging kit. I've plugged tires without even having to remove from the vehicle.

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Southern California

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Posted: 06/19/19 02:03pm Link  |  Quote  |  Print  |  Notify Moderator

One thing to remember about plugs. They need to be driven on in order for the vulcanizing adhesive to warm up and seal properly. If you just plug it and use it as a spare it may never seal properly. If you want to use it as a spare then drive on it a awhile first then switch it out.

I have plugged 1000's of tires in my life time. They work extremely well when properly install. But a lot of people out there can screw up the simplest things.



Central Valley, Ca

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Posted: 06/19/19 03:51pm Link  |  Quote  |  Print  |  Notify Moderator

skeeter_ca: I drove it about 85 miles on a very hot day. Should that be enough to set it correctly?



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Posted: 06/19/19 04:43pm Link  |  Quote  |  Print  |  Notify Moderator

Most reputable tire retailers will use a plug/patch combo, installed from the inside. Personally, I've used plugs quite a few times over the last 40 years, sometimes with the tire still on the vehicle, and have not had a single one fail. However, I probably wouldn't try it on my MH simply because of the weight/pressure involved.

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Posted: 06/19/19 11:30pm Link  |  Quote  |  Print  |  Notify Moderator

i will only run a plug to get home, on my motorcycle.
but for any car, pu truck, big rig. rv. no problem running a plug.
but best is to plug, and place a patch over it (inside the tire that is).

i have never had a plug, or patch fail. (40 years driving varied big rigs).
been driving for a living for almost 50 years, small trucks up to the classic "big rig". even on my personal cars, trucks. but have had tires fail do to other damage, or age.

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Portland, Oregon

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Posted: 06/20/19 08:39am Link  |  Quote  |  Print  |  Notify Moderator

while a plug/patch or patch is likely the best solution ONLY if done properly. Given my experience with most tire shops, they know how to plug and do it often, but FEW have people who really know how to patch a tire anymore. So regardless of what is the recomended practice, I have had tires plugged and IF I trust the shop a patch as well but never a patch only.

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Burrton. KS

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Posted: 06/20/19 11:04am Link  |  Quote  |  Print  |  Notify Moderator

Prefer a patch, have used plugs and none have failed that I'm aware of.

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Pineville, LA USA

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Posted: 06/24/19 08:20am Link  |  Quote  |  Print  |  Notify Moderator

I've been using plugs for 40 years without any failures.

The last tire I plugged was on my Mazda a few weeks ago. I got a low-pressure warning on I-10 and pulled off into a parking lot. I found the leak, pulled out the nail, put in the plug, used my 12v compressor to refill the tire, and resumed my trip.

I was glad I had the plug, because my "spare" is a tiny donut that is good only for very limited miles and speed.

My plug repair is for unlimited mileage and speed.



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Posted: 06/25/19 07:03am Link  |  Quote  |  Print  |  Notify Moderator

I've had about a 50% failure rate on plugs.

10K miles later a slow leak.

Don't get me wrong- if time is tight, or a plug is the ONLY thing available, it's a valid repair.

If I have a CHOICE- it's patch.

* This post was edited 06/25/19 08:20am by K3WE *

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