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This is my factory mounted Goodyear. It looses about one PSI per day. This started about two months ago. The factory bead has never been broken. This wheel/tire has never been used in winter and therefore was never exposed to road salt.
I removed the wheel/tire assembly from the car.
I very carefully inspected the tire and removed any stone, pebble or grain in the tread and sipes. I found no evidence of any puncture or glass.
I checked the tire valve valve to ensure that the core was tight. It did not budge.
None of the other three tires are loosing any air.
What do you think is causing this very slow leak?
I removed the wheel/tire assembly from the car.
I very carefully inspected the tire and removed any stone, pebble or grain in the tread and sipes. I found no evidence of any puncture or glass.
I checked the tire valve valve to ensure that the core was tight. It did not budge.
None of the other three tires are loosing any air.
What do you think is causing this very slow leak?