Ferrari 458 Italia Technical Documentation Manual page 51

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1.15 Repair methods

To repair a crack, the weld bead must be ground along the full

length of the crack to twice the depth of the crack itself before

repeating the weld (Fig. C). After welding, crack testing must

be repeated.

Cracks in the outer skin are repaired by drilling a 2 mm diameter

hole at each end of the crack to prevent it from spreading.

Then both the crack and the holes are welded (Fig. D).

Approximately double the length of the crack