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post #1 of 21 (permalink) Old 09-20-2013, 01:27 AM Thread Starter
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I bought some pirellis (new old stock) from a shop that was closing doors... anyways I drove on em fornmaybe a month... a tire lost a bead inside the tire (chunk of rubber that seals tire to wheel) I was able to seal it since it was just the tip of the bead (was leaking but leaks no more) am I good to go or should I ask pirelli to see if they will replace?

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post #2 of 21 (permalink) Old 09-20-2013, 05:35 AM
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Did it become unseated? I'm no tire expert or installer but to me it sounds like it could be a bad tire or the installer didn't put enough glue all the way around the edge of the rim. Either way I'd ask to have it replaced/reinstalled.

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post #3 of 21 (permalink) Old 09-20-2013, 07:05 AM
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I would first check the date code on the tire. Even if it has never been used, tires have a shelf life of I think around 6 years, and if it is older than that, then it could have issues, and will not be warrantied by the manufacturer.

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post #4 of 21 (permalink) Old 09-20-2013, 11:32 AM
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Originally Posted by MadMikeyL View Post
I would first check the date code on the tire. Even if it has never been used, tires have a shelf life of I think around 6 years, and if it is older than that, then it could have issues, and will not be warrantied by the manufacturer.
What he said.


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post #5 of 21 (permalink) Old 09-20-2013, 06:06 PM Thread Starter
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I would first check the date code on the tire. Even if it has never been used, tires have a shelf life of I think around 6 years, and if it is older than that, then it could have issues, and will not be warrantied by the manufacturer.
they were new old stock date code "36 07". tires are fine.

i took the rim/tire to a tireshop, they applied some "wax" substance to the edge of the wheel and the tire seated nicely. no leaks (i've driven around 60 miles today)

if it leaks, i'm going to dump all four and get new ones. i got these pirellis for fairly cheap.


tires degrade when they are left in the elements of the environment mounted to a wheel... these tires still had their original stickers on them from factory.

hell, on my last car, the original tires were around 8 years old, i drove it to mexico and back, colorado and back... no issues!

i'm thinking the guy who installed them first didn't apply enough lube and took a chunk off.

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post #6 of 21 (permalink) Old 09-20-2013, 06:44 PM
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Originally Posted by 94lxbird View Post
tires degrade when they are left in the elements of the environment mounted to a wheel... these tires still had their original stickers on them from factory.

hell, on my last car, the original tires were around 8 years old, i drove it to mexico and back, colorado and back... no issues!
Yes, but they also degrade when exposed to the atmosphere. Rubber degrades like any other compound over time. Not being mounted or outdoors doesn't stop the aging...

6 years is the number generally agreed upon when age starts to become a factor to consider. It's a disputed number because there is no "expiration date" due to variances in manufacturing and materials.

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Just a reminder about old tires. The do fail. My Tbird was used only around town for the last few years. I had forgot that I bought the tires in 2001. Ooops. The right rear threw the tread at 55 mph.

Fairly minor damage. The rear inner shield is gone and a small chunk of the bumper just behind the wheel well. Luckily no damage to the fuel filler or vent line or the brake line.

...

So, if you use your cars infrequently check those manufacture dates. I forgot how old my tires were. The were not weather cracked at all.

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post #7 of 21 (permalink) Old 09-21-2013, 02:19 AM Thread Starter
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driving a man made machine on man made tubes is always a risk... i guess what it comes down to is : Personal choice, road conditions, Tire pressurres... there's alot of factors involved.. you can't just cut a tire open to see how it looks inside. I've driven on tires that are 2-5years older then the six year limit. After my last post, tire is holding air fine. i doubt pirelli will replace these tires anyways. if it decides to leak, ill replace. Thanks guys

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post #8 of 21 (permalink) Old 09-25-2013, 08:58 PM
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so a chunk of the rubber bead came away from the cords around the rim seal?

that sounds like old dried up tires to me. i bet the tire tech tore it when he was running the duckhead around the rim to instal em. you will most likely notice cracks quite quickly and they may even throw belts before you even get 10k on them. they may also completely shed the tread patch and/or explode.

i used to see people with old tires from salvage-yards come to me wanting them mounted because they couldn't afford the cheapest $40 tire we sold... i could lube the beads as much as possible and still tear the damn things trying to run the beads around the rim on the tire machine... sometimes most of the entire bead would come away and it would never seal. and needless to say, salvage yards don't warranty used tires, so these poor sobs usually ended up spending another $20 on a second old dried up pile of crap when they could have just got a brand new (albeit cheep) tire from me in the first place and i could have mounted it with no problem.

old tires dry up like a prune...

its why i recommend you should NEVER get your old fullsize spare down from your old 90's beater pickup and run it down the road. replace it 'new' or not every 10 or so years. under a cover, inside the cab, doesn't matter where its been stored, it will be hard and inflexible as a rock. same thing happens to warehoused tires, they really don't even have to be mounted like others have said already.

used to see that a lot as well... people coming too me wanting their fullsize spare transferred to their alloy after a blowout. usually ended up destroying the bead trying to remove it from the rim. i outright refused a lot, especially if the tires they had were bald as hell. nothing chews up a transaxle or diff like putting a good tire on the same axle with a bald tire

love tires, most important part of the car imho. and the most neglected >.>

just ask yourself, where are you going without em?

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post #9 of 21 (permalink) Old 09-26-2013, 10:42 AM Thread Starter
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So far shes doing good. No issues.

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post #10 of 21 (permalink) Old 09-26-2013, 07:12 PM
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well, i wish ya luck then. Ive also seen people run old tires till their balder then a shaved head and survive to get new ones after the cords start making road noise.

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post #11 of 21 (permalink) Old 09-26-2013, 10:08 PM
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I also don't mess with old tires having had bad luck with them.

I have bought 4 tires that looked brand new, still had the nipples on them, off a wrecked car.

One exploded while I was driving through Texas.
When I looked closely at the date, they were 4 years old.
That's only one example.
I will only mount a used tire now if 2 years old or younger on my vehicles.
It's just not worth the trouble IMHO...

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post #12 of 21 (permalink) Old 12-03-2013, 08:09 PM
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double posted .....

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post #13 of 21 (permalink) Old 12-03-2013, 08:12 PM
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I've seen tires of all ages fail, I've seen some really old ones keep going. I've picked up steel and had tires deflate at triple digit speeds and I knew the tires were going soft as I could feel it, once even chased a guy another two miles after I felt a tire start going .... heard last bit of air escape as I stepped out (violator didn't know). I've had flats, I knew enough to not stop in a traffic lane to change it (unlike some whom I've found with their car on a jack in a traffic lane .... really). Back when Firestone was getting a bum rap, it wasn't the tire's fault .... it was drivers loading a high center SUV heavier than a PU and traveling at 20 over with tires that hadn't had their pressure checked in months.

I maintain tire pressures, I watch tread and sidewalls, I notice one going a little low I find out why and apply a cure. Whether local or on a long road trip, I look at my tires about every time I approach the car / truck / MC out of habit and I guess "self preservation" all them years I was running so far so fast so often. I can look at my tires and tell when they are at 35-40 psi or 20 psi. I have 4 Goodyear RS-As on the '01 Merc and they've been on it since 2006, they carried us to New Mexico and Utah and back in 2008 and several trips to Georgia dn in this past May, to Miss and La. .... and they are going to take me to Georgia here soon if they don't suddenly go bad.


I've seen tire valve stems develop cracks and literally snap off when only two years old (seems they moved a manufacturing plant to China and didn't add UV protectant into a few billion they sold us?). I've since replaced a few sets myself after making my own bead breaker setup that mounts to a pole in the basement.

The 5 or 6 year rule touted by tire manufacturers isn't a "one size fits all cases" rule ...
... it's a rule that is conservative to hopefully help those who don't know how to look at a tire or check the pressure .... nor know why they should do either.

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post #14 of 21 (permalink) Old 12-03-2013, 11:33 PM
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I learned the hard way about buying new old stock on tires.
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post #15 of 21 (permalink) Old 12-05-2013, 07:35 AM
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I wouldn't pay a new price or even a discount on 5-6 year old NOS tires not knowing how / where stored, etc .... but I might let someone give them to me so cheap they thought they give them away and after a very close inspection, I might run them.

Tires go flat sometimes, sometimes they deflate over the last 257 miles since the last gas stop due to a large screw you picked up coming out of that station's lot that you didn't see .... and after a couple hours at interstate speeds running half flat or less, when the sidewall gives up .... not the tire's fault. I carry a tire plug kit with extra tools and a compressor in a bag, I'ld rather catch a low tire and fix it on the car instead of changing .... but to do so requires a response to the syptoms by the driver.

Flat tires aren't scary 99% of the time if the driver doesn't panic, they are a part of the motoring experience.

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post #16 of 21 (permalink) Old 12-05-2013, 09:16 AM
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My Family friend, wants me to get Eagle GT's, because they are guaranteed not to have sidewall breakdown, so he thinks I'm gonna show out a lot. I've looked at the consumer reviews, and I think I'd stick with the Eagle GT's.

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post #17 of 21 (permalink) Old 12-05-2013, 09:20 AM
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Rubber deterioration and dry-rot will happen - it's the nature of the beast. There might be certain "blends" of compounds used in some tires that resist it better than others, but know that there's no such thing as a dry-rot or breakdown-proof tire. Plus there's always storing conditions which affect the speed of rot. Humidity, temperature, exposure to UV/sunlight, load/pressure etc.

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post #18 of 21 (permalink) Old 12-05-2013, 09:24 AM
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Well apperantly if it does breakdown it has immediate replacement or something like that, I have no clue. Maybe I don't have a clue xD

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post #19 of 21 (permalink) Old 12-05-2013, 06:50 PM
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I throw away tire over 5 years old, regardless of condition.

The sidewall can blow a chunk out at speed when you hit a overpass; it's not worth it. Dry rot doesn't necessarily leave a trace 'till it fails.

I've had a blowout at speed; won't take a chance on that again.

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post #20 of 21 (permalink) Old 12-07-2013, 10:03 PM Thread Starter
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no issues, i drive the car daily. i've even done a few burnouts lol

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post #21 of 21 (permalink) Old 12-10-2013, 10:49 PM
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burnouts are about all i would use an old tire for anyway and I'd put it on a steel wheel i didn't care to loose. i'm still waiting for my 10 year old studded snowtires to explode. starting to think the rims will rust away first :P

i just cant help but think about those rubber bands you left in the kitchen drawn for 6 years and when you try to stretch them around something, every one of them snaps.

same thing with the old vacuum hose you find under the hood that falls into dust when you touch it.

rubber doesn't last forever no matter who makes it and what additives they put in to resist breakdown.

i used to check DOTs on pretty much all the tires i ever saw completely shelled out. i would bet 8/10 were older then 6 years. the others were just nails and other road hazards that some idiot kept driving on for 10 miles after the tell tale WOMP WOMP WOMP noise started. maybe an occasional grandma you knew never checked the air pressure.

and while i will agree their was nothing wrong with those firestone tires on the explorers, its didn't help they listed the recommended tire pressure in the door as 26lbs.

all i have to do is look at a tire and know its at 25 or lower PSI, the thing looks all squashed and uncomfortable.

of course all that flexing is gonna create a lot of heat and deteriorate the sidewalls... why someone didn't realize that back in the 90s was always beyond me, and i was slightly older then 10 at the time >.>

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