No, the piston won't fit out the bottom
you don't fix piston rings. if you have bad rings you have to pull the piston and replace them. on most vehicles you have to pull the engine, then you take off the heads and oil pan. unbolt the caps from the bottom of the rod and push it out the top.
Generally in grooves near the top of the piston. The compression rings, near the top and the oil rings at the bottom of the top. The ring gaps are staggered.
A special oil control ring
Hyundai coup 1985 2 door piston rings how much
The piston rings create a seal between the piston and the cylinder wall.
Gently, they break easily. They also make tools to R&R piston rings to avoid breaking the rings.
compression rings.. while the bottom ring is known as oil ring .
Oil rings Combustion rings Piston rod Piston rop cap
Bad piston rings or valves not seating properly.
The piston rings are fitted round the piston to make a better gas-tight fit in the cylinder.
ring groove cleaner (if needed) and piston ring pliers (can just use your hand or needle nose)
Running an engine with broken piston rings will cause damaging scoring in the piston chamber, and is not to be recommended.