Tire problem
Le Mans Master
Joined: Sep 2008
Posts: 8,022
Likes: 8
From: Stafford VA, home of our wolf den. No house break ins to date.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
Instructor
Joined: Jan 2009
Posts: 129
Likes: 0
From: Mississippi
Le Mans Master
Joined: Mar 2009
Posts: 6,893
Likes: 1
St. Jude Donor '09-'10-'11
a plug is a dangerous and unacceptable repair by the tire industry. NHTSA is putting regs together to outlaw it.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
Any other doubters?I knew someone on board here was well versed in this...I'll remember it was you from now on when it comes up. Great info.
Team Owner
Joined: Mar 2008
Posts: 21,502
Likes: 461
From: Southern Utah
a plug is a dangerous and unacceptable repair by the tire industry. NHTSA is putting regs together to outlaw it.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
Problem is that because this is an unapproved and unsafe practice, the tire could come apart at 100mph the next day....or not. No way to know...so its best to just do a repair the proper way.
Team Owner
Joined: Feb 2000
Posts: 53,520
Likes: 77
From: Arizona
This is absolutely true, but wow, its difficult to get it across to people. The standard answer is "I put two plugs in my tire a year ago and everything has been fine since then"....
Problem is that because this is an unapproved and unsafe practice, the tire could come apart at 100mph the next day....or not. No way to know...so its best to just do a repair the proper way.
Problem is that because this is an unapproved and unsafe practice, the tire could come apart at 100mph the next day....or not. No way to know...so its best to just do a repair the proper way.
Team Owner
Joined: Mar 2008
Posts: 21,502
Likes: 461
From: Southern Utah
Drifting
Joined: Oct 2004
Posts: 1,790
Likes: 29
From: STL MO
St. Jude Donor '09-'10
I never new that, when I was a young man pumping gas we would offer people the choice to plug or patch...I can say most opted for the plug due to time and cost. I keep a kit in my truck at all times in case I pick-up something while out on fishing trips..I guess I will get the kit with the green slime & air pump for my vette. Good info and thanks for sharing!
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Le Mans Master
Joined: Mar 2009
Posts: 6,893
Likes: 1
St. Jude Donor '09-'10-'11
Le Mans Master
Joined: Feb 1999
Posts: 5,353
Likes: 100
From: And then it was said... "let there be blue Corvettes and yellow Camaros" Ft Worth Texas
Cruise-In IV Veteran
St. Jude Donor '09
Le Mans Master
Joined: Sep 2008
Posts: 8,022
Likes: 8
From: Stafford VA, home of our wolf den. No house break ins to date.
He's right. Only the tire manufacture can verify that the speed rating of the tire is maintained after a repair, and thats rare... the repair has to be done exactly in accordance with the tire manufactures specs. Remember, the tire undergoes a very comprehensive SAE test procedure to achieve a speed rating. The repair has not undergone that test. It leaves the door wide open for law suits.
Moderator
Joined: Feb 2006
Posts: 39,080
Likes: 17,935
From: DFW Area TX
Goodyear Run Flat Repair Procedure
REPAIR PROCEDURE
1. CAREFULLY REMOVE THE TIRE COMPLETELY FROM THE RIM.
2. Locate the puncture on the inside of the tire and circle with crayon.
3. Remove puncturing object if it is still in the tire.
4. Carefully inspect tire on a good tire spreader, with ample light, which will show any cracks, breaks, punctures, damaged or broken beads.
5. Check liner for cuts, cracks, or holes which may cause the tubeless liner to lose air.
6. Check the injury with an inspection awl:
(a)Determine size and angle of injury.
(b)Check for ply or belt separation.
7. Reject any tire that has separation, loose cords, damaged bead(s), or any other non-repairable injury.
8. If the hole is simple and round, steps 9 through 17 of the puncture repair procedure will be successful.
NOTE: If the hole shows evidence of fabric splitting, such an injury cannot be properly repaired using this puncture repair procedure. Such an injury must be skived out and repaired as a section (reinforced) repair, which will maintain the serviceability of the tire, but will invalidate the tire's speed rating. If a section repair is necessary, the customer must be advised, before the repair is made, that the tire will lose its speed rating, and must not exceed operation at normal highway speeds.
9. Use a pre-buff cleaner and a scraper to remove contaminants from the liner in the area to be buffed around the injury.
10. Use a 7/32"carbide cutter for 1/4" repairs to clean out the puncture.
(a)Make sure that the drill follows the direction of the puncturing object.
(b)Always drill from inside to outside of tire.
11. Using chemical vulcanizing cement, lightly coat at least 1/2 of the tapered end of the repair plug. Install the plug in the prepared puncture according to the manufacturer's instructions. Trim the liner side of the plug slightly higher than the surface of the liner without stretching the plug.
12. Center the patch (or patch template) over the injury without removing the backing. Adhere to patch or template instructions, as to positioning as related to bead location. Mark around the outside edge of the patch, approximately 1/4" larger than the patch.
13. Buff the liner and plug at the puncture location. The buffed area should be slightly larger than the patch. The buffed surface should be finely grained (RMA 1 or 2 texture) and even for proper bonding. Use care to prevent burning the rubber with the buffing tool. Do not buff through the liner. Do not buff into the marking crayon.
14. Clean the buffing dust from the tire using only a vacuum or brush. Do not use gasoline or other petroleum solvents on the buffed area.
15. Coat the buffed liner surface and the patch with one evenly applied coat of chemical vulcanizing cement in accordance with the recommendations of the repair materials manufacturer. Allow the cement to dry thoroughly. Do not touch the cemented areas.
16. Install the patch with the beads of the tire in the relaxed position. Position the patch over the puncture according to the markings on the patch. Stitch the entire patch starting from the center, keeping the strokes close together to avoid trapping air under the patch.
17. Cut off the protruding end of the plug about 1/8" above the tread surface.
18. FINAL INSPECTION - The repair must seal the inner liner and fill the injury. After remounting and inflating check the repair, both beads and valve with a soap solution to assure a complete seal.
REPAIR PROCEDURE
1. CAREFULLY REMOVE THE TIRE COMPLETELY FROM THE RIM.
2. Locate the puncture on the inside of the tire and circle with crayon.
3. Remove puncturing object if it is still in the tire.
4. Carefully inspect tire on a good tire spreader, with ample light, which will show any cracks, breaks, punctures, damaged or broken beads.
5. Check liner for cuts, cracks, or holes which may cause the tubeless liner to lose air.
6. Check the injury with an inspection awl:
(a)Determine size and angle of injury.
(b)Check for ply or belt separation.
7. Reject any tire that has separation, loose cords, damaged bead(s), or any other non-repairable injury.
8. If the hole is simple and round, steps 9 through 17 of the puncture repair procedure will be successful.
NOTE: If the hole shows evidence of fabric splitting, such an injury cannot be properly repaired using this puncture repair procedure. Such an injury must be skived out and repaired as a section (reinforced) repair, which will maintain the serviceability of the tire, but will invalidate the tire's speed rating. If a section repair is necessary, the customer must be advised, before the repair is made, that the tire will lose its speed rating, and must not exceed operation at normal highway speeds.
9. Use a pre-buff cleaner and a scraper to remove contaminants from the liner in the area to be buffed around the injury.
10. Use a 7/32"carbide cutter for 1/4" repairs to clean out the puncture.
(a)Make sure that the drill follows the direction of the puncturing object.
(b)Always drill from inside to outside of tire.
11. Using chemical vulcanizing cement, lightly coat at least 1/2 of the tapered end of the repair plug. Install the plug in the prepared puncture according to the manufacturer's instructions. Trim the liner side of the plug slightly higher than the surface of the liner without stretching the plug.
12. Center the patch (or patch template) over the injury without removing the backing. Adhere to patch or template instructions, as to positioning as related to bead location. Mark around the outside edge of the patch, approximately 1/4" larger than the patch.
13. Buff the liner and plug at the puncture location. The buffed area should be slightly larger than the patch. The buffed surface should be finely grained (RMA 1 or 2 texture) and even for proper bonding. Use care to prevent burning the rubber with the buffing tool. Do not buff through the liner. Do not buff into the marking crayon.
14. Clean the buffing dust from the tire using only a vacuum or brush. Do not use gasoline or other petroleum solvents on the buffed area.
15. Coat the buffed liner surface and the patch with one evenly applied coat of chemical vulcanizing cement in accordance with the recommendations of the repair materials manufacturer. Allow the cement to dry thoroughly. Do not touch the cemented areas.
16. Install the patch with the beads of the tire in the relaxed position. Position the patch over the puncture according to the markings on the patch. Stitch the entire patch starting from the center, keeping the strokes close together to avoid trapping air under the patch.
17. Cut off the protruding end of the plug about 1/8" above the tread surface.
18. FINAL INSPECTION - The repair must seal the inner liner and fill the injury. After remounting and inflating check the repair, both beads and valve with a soap solution to assure a complete seal.
Goodyear Speed-Rated Tire Repair Limits
II. DETAILED POLICY - Puncture Repair of Goodyear Speed-Rated Tires
The puncture must be confined to the tread area only.
(See "Repair Area", item III-B).
Restrictions on the number and size of repairs must be followed.
(See "Puncture Repair Limits" table, item III-C).
A detailed repair procedure must be followed.
(See "Repair Procedure", item III-E).
A Goodyear speed-rated new tire repaired in strict accordance with items II-A, B & C, will retain its speed rating.
III. REPAIR PROCEDURE FOR SPEED-RATED TIRES
GENERAL
The objective of the puncture repair is to seal the tire against loss of inflation pressure and to prevent damage to the carcass from moisture. In all puncture repairs approved by Goodyear, the hole must be filled with a plug, and a patch covering the hole must be applied according to repair material manufacturer instructions to the inside of the tire. Never repair tires which are worn below 2/32" tread depth.
NOTE: No tire is to be repaired without first being removed from the rim.
REPAIR AREA
Repairing is limited to the tread area only within the outside grooves. No repairs are allowed in the tread area beyond the outside grooves or sidewall.
PUNCTURE REPAIR LIMITS
TIRE SPEED...............MAX. NUMBER...........MAX REPAIR
(SPEED SYMBOL)................................. ....DIAMETER
130 mph and over ...........1......................1/4 in. (6mm)
(H, V, Z)
II. DETAILED POLICY - Puncture Repair of Goodyear Speed-Rated Tires
The puncture must be confined to the tread area only.
(See "Repair Area", item III-B).
Restrictions on the number and size of repairs must be followed.
(See "Puncture Repair Limits" table, item III-C).
A detailed repair procedure must be followed.
(See "Repair Procedure", item III-E).
A Goodyear speed-rated new tire repaired in strict accordance with items II-A, B & C, will retain its speed rating.
III. REPAIR PROCEDURE FOR SPEED-RATED TIRES
GENERAL
The objective of the puncture repair is to seal the tire against loss of inflation pressure and to prevent damage to the carcass from moisture. In all puncture repairs approved by Goodyear, the hole must be filled with a plug, and a patch covering the hole must be applied according to repair material manufacturer instructions to the inside of the tire. Never repair tires which are worn below 2/32" tread depth.
NOTE: No tire is to be repaired without first being removed from the rim.
REPAIR AREA
Repairing is limited to the tread area only within the outside grooves. No repairs are allowed in the tread area beyond the outside grooves or sidewall.
PUNCTURE REPAIR LIMITS
TIRE SPEED...............MAX. NUMBER...........MAX REPAIR
(SPEED SYMBOL)................................. ....DIAMETER
130 mph and over ...........1......................1/4 in. (6mm)
(H, V, Z)
Intermediate
Joined: Sep 2008
Posts: 40
Likes: 1
From: Boca Raton FL
Hi,
I have to ask a quick follow-up... I've had two of my tires fixed by Goodyear runflat certified dealer just a few months back (Oct + Feb).
I now have found new screws/nails in those same repaired tires. Do they now replace/prorate the tire as its not repairable again?
I have a '09 purchased in Sept 08, 8500 miles now and tire wear is good with plenty of wear left.
I was wondering if anyone else has run into this yet?
Thanks!
I have to ask a quick follow-up... I've had two of my tires fixed by Goodyear runflat certified dealer just a few months back (Oct + Feb).
I now have found new screws/nails in those same repaired tires. Do they now replace/prorate the tire as its not repairable again?
I have a '09 purchased in Sept 08, 8500 miles now and tire wear is good with plenty of wear left.
I was wondering if anyone else has run into this yet?
Thanks!
1st Gear
Joined: May 2009
Posts: 1
Likes: 0
? What replacement tire do you suggest? C-6 06 Thanks
Thanking you in advance.
a plug is a dangerous and unacceptable repair by the tire industry. NHTSA is putting regs together to outlaw it.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.
It does not seal the inner liner of the tire which...serves as the inter tube on tubeless tires. It allows moisture to pentrate the body of the casing and begin rusting of the steel belts which can lead to belt separation.
I have witnessed this for years and worked with NHTSA to outlaw plugs. I have served as Govt Expert witness in litigation on tire failures that resulted in deaths and traced the failure to the plug.
fyi.