Tire Repair

Puncture Repair Procedures for Passenger and Light Truck Tires

*The excerpts are cited from the Rubber Manufacturers Association’s “Puncture Repair Procedures for Passenger and Light Truck Tires” wall chart,which contains the industry recommended puncture repair procedures for all tire repair technicians and facilities.


Repairs must be performed by removing the tire from the rim/wheel assembly to perform a complete inspection to assess all damage that may be present.  Repairs are limited to the tread area only (see graphic).

tirerepair Puncture injury cannot be greater than 1/4-inch (6mm) in diameter; DO NOT make repairswhere the injury damage extends into the shoulder/belt edge area OR where the injury extends at an angle into the shoulder area. If there is any question that the injury extends into the shoulder/belt edge area, then the tire must be taken out  of service.

A plug by itself or a patch by itself is an unacceptable repair.

Repairs cannot overlap.A rubber stem, or plug,must be applied to fill the puncture injury and a patch must be applied to seal the inner liner. A common repair unit is a one piece  combination unit with a stem and patch.

Not all tires can be repaired. Specific repair limits should be based on recommendations or repair policy of the tire manufacturer and/or type of tire service.

NEVER repair a tire that has an existing, improper repair; the tire must be scrapped.


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