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Internal Inspection

    Fig 1: Marking Tire Puncture Location
    GM1407419Courtesy of GENERAL MOTORS COMPANY
  1. Spread the beads and mark the puncture with a tire crayon.
  2. Inspect the inner tire for any signs of internal damage.
  3. Remove the puncturing object, noting the direction of the penetration.
  4. Probe the injury with a blunt awl in order to determine the extent and direction of the injury.
  5. Remove any loose foreign material from the injury.
  6. Punctures exceeding 6.35 mm (1/4 in) should not be repaired.