Internal Inspection
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- Spread the beads and mark the puncture with a tire crayon.
- Inspect the inner tire for any signs of internal damage.
- Remove the puncturing object, noting the direction of the penetration.
- Probe the injury with a blunt awl in order to determine the extent and direction of the injury.
- Remove any loose foreign material from the injury.
- Punctures exceeding 6.35 mm (1/4 in) should not be repaired.