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The post Why Does My Tire Keep Going Flat? appeared first on Reader's Digest. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games. Health. Home & Garden ...
A flat tire can be repaired by a patch or plug; [4] or the tire may repair itself. Self-sealing tires work on punctures up to a certain size. Patch repair is commonly used in a repair shop. Some may not patch a worn tire if: the hole is close to a previous patch; there are already more than two patches; the puncture requires more than two ...
Tire maintenance for motor vehicles is based on several factors. The chief reason for tire replacement is friction from moving contact with road surfaces, causing the tread on the outer perimeter of tires to eventually wear away. When the tread depth becomes too shallow, like for example below 3.2 mm (4/32 in), the tire is worn out and should ...
Also, run-flat tires cannot be run flat if the flat is due to sidewall damage, a common cause of flats. Generally, under ideal circumstances, the speed and range of run-flat tires is limited. Run-flat tires cannot be driven over 50 miles per hour most of the time, and usually offer only up to 50 miles of extended mobility.
Bulges and depressions in the sidewall are such defects. A bulge is a weak spot in the sidewall that expands when the tire is inflated. A depression is a strong spot that does not expand in equal measure as the surrounding area. Both are deemed visual defects. Tires are measured in production to identify those with excessive visual defects.
Run-flat tires eliminates the need for a spare tire because they can be traveled on at a reduced speed in the event of a puncture, using a stiff sidewall to prevent damage to the tire rim. [34] Vehicles without run-flat tires rely on a spare tire, which may be a compact tire, to replace a damaged tire. [34]