Piston head damage
Piston head seizure
piston head damage
Removal of material by melting from the piston head and piston skirt (petrol engines)
Material removal/fusion due to melting on the piston head (diesel engines)
Hole in the piston crown (petrol engines)
Erosion on the piston top land and on the piston crown (petrol engines)
Piston fracture due to the mechanical contact between piston crown and cylinder head
Impact marks on the piston head (diesel engines)
Cracks in the piston crown and bowl (diesel engines)
