Piston Ring End Gap
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
End gap:
Top ring: 0.20-0.39 mm (0.0079-0.0154 in)
2nd ring: 0.32-0.56 mm (0.0126-0.0220 in)
Oil ring: 0.20-0.69 mm (0.0079-0.0272 in)
Max. limit of ring gap:
Top ring: 0.49 mm (0.0193 in)
2nd ring: 0.64 mm (0.0252 in)
Oil ring: 1.09 mm (0.0429 in)
If out of specification, replace piston ring. If gap exceeds maximum limit with a new ring, rebore cylinder and use oversized piston and piston rings.
Refer to PISTON. PISTON RING AND PISTON PIN .
- When replacing the piston, check the cylinder block surface for scratches or seizure. If scratches or seizure is found, hone or replace the cylinder block.