Hummm maybe Damon @ Rack could help...!
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I actually forwarded this to a few people to get their take on it. I've never seen a tire bulge a full third away around. Was it driven on for awhile flat?
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damon@tirerack.com
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574-287-2345 ext. 4643
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Originally posted by damon@tirerack
I actually forwarded this to a few people to get their take on it. I've never seen a tire bulge a full third away around. Was it driven on for awhile flat?
I actually forwarded this to a few people to get their take on it. I've never seen a tire bulge a full third away around. Was it driven on for awhile flat?
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Registered User
Joined: Jul 2003
Posts: 15,575
From: Los Angeles, CA
Rep Power: 682
Originally posted by OKHJOON190
thank you very much ... i just noticed there was a whole thread about my tire
thank you very much ... i just noticed there was a whole thread about my tire
Moderator
Joined: May 2004
Posts: 4,962
From: South Bend, IN
Rep Power: 241
Originally posted by damon@tirerack
I actually forwarded this to a few people to get their take on it. I've never seen a tire bulge a full third away around. Was it driven on for awhile flat?
I actually forwarded this to a few people to get their take on it. I've never seen a tire bulge a full third away around. Was it driven on for awhile flat?
A bubble, regardless of the cause, could grow to the size visible in these photos. Unfortunately, these photos show the result, and don't give any clues to the cause. I have seen tires with bulges all the way around the tire that were the result of an impact/road hazard.
Bulges or bubbles in the sidewall are usually caused by a) manufacture ring defect (actually not that common), b) impact damage (very common), or c) driving on the tire low on air at some point in its life.
The tire really needs to be dismounted and inspected inside and out for probable causes. Advise the shop to mark the bubble area prior to dismount, as it will go back flat once the air is let out of the tire.
I agree. You probably hit something that grew because it wasn't seen due to being on the inside of the rim until it was a huge distortion.
__________________
damon@tirerack.com
877-522-8473 ext. 4643
574-287-2345 ext. 4643
**Don't forget to add my name to online orders!**
Or use this link:
http://www.tirerack.com/a.jsp?a=BH1&url=index.jsp
damon@tirerack.com
877-522-8473 ext. 4643
574-287-2345 ext. 4643
**Don't forget to add my name to online orders!**
Or use this link:
http://www.tirerack.com/a.jsp?a=BH1&url=index.jsp
Moderator
Joined: May 2004
Posts: 4,962
From: South Bend, IN
Rep Power: 241
Originally posted by damon@tirerack
His reply:
A bubble, regardless of the cause, could grow to the size visible in these photos. Unfortunately, these photos show the result, and don't give any clues to the cause. I have seen tires with bulges all the way around the tire that were the result of an impact/road hazard.
Bulges or bubbles in the sidewall are usually caused by a) manufacture ring defect (actually not that common), b) impact damage (very common), or c) driving on the tire low on air at some point in its life.
The tire really needs to be dismounted and inspected inside and out for probable causes. Advise the shop to mark the bubble area prior to dismount, as it will go back flat once the air is let out of the tire.
While impact damage will initially weaken just a small area on a tire, its influence will "spread" around the tire as it is driven. Tires in the Porsche Turbo's 295/30R18 size roll about 840 times every mile. Once a single area has been weakened and begins to separate, the initial damage will "overstress" the adjacent structure (before and/or after the initial impact point) with every tire revolution.
Additionally, if the initial impact caused any break in the tire's innerliner, the air pressure inside the tire will escape into the carcass, speeding up the process.
Unfortunately this also means that damage begun previously may not become apparent to the driver until more of the tire is affected.
If a tire separation is due to a manufacturing condition, it usually appears very early in the tire's life. A separation that occurs later in a tire's life is usually the result of a road hazard.
I agree. You probably hit something that grew because it wasn't seen due to being on the inside of the rim until it was a huge distortion.
His reply:
A bubble, regardless of the cause, could grow to the size visible in these photos. Unfortunately, these photos show the result, and don't give any clues to the cause. I have seen tires with bulges all the way around the tire that were the result of an impact/road hazard.
Bulges or bubbles in the sidewall are usually caused by a) manufacture ring defect (actually not that common), b) impact damage (very common), or c) driving on the tire low on air at some point in its life.
The tire really needs to be dismounted and inspected inside and out for probable causes. Advise the shop to mark the bubble area prior to dismount, as it will go back flat once the air is let out of the tire.
While impact damage will initially weaken just a small area on a tire, its influence will "spread" around the tire as it is driven. Tires in the Porsche Turbo's 295/30R18 size roll about 840 times every mile. Once a single area has been weakened and begins to separate, the initial damage will "overstress" the adjacent structure (before and/or after the initial impact point) with every tire revolution.
Additionally, if the initial impact caused any break in the tire's innerliner, the air pressure inside the tire will escape into the carcass, speeding up the process.
Unfortunately this also means that damage begun previously may not become apparent to the driver until more of the tire is affected.
If a tire separation is due to a manufacturing condition, it usually appears very early in the tire's life. A separation that occurs later in a tire's life is usually the result of a road hazard.
I agree. You probably hit something that grew because it wasn't seen due to being on the inside of the rim until it was a huge distortion.
__________________
damon@tirerack.com
877-522-8473 ext. 4643
574-287-2345 ext. 4643
**Don't forget to add my name to online orders!**
Or use this link:
http://www.tirerack.com/a.jsp?a=BH1&url=index.jsp
damon@tirerack.com
877-522-8473 ext. 4643
574-287-2345 ext. 4643
**Don't forget to add my name to online orders!**
Or use this link:
http://www.tirerack.com/a.jsp?a=BH1&url=index.jsp
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