Piston Ring Side Clearance

WARNING: This page is about a different variant/trim than selected.

Measure side clearance of piston ring and piston ring groove with feeler gauge.
1. Standard Side Clearance
2. Top ring : 0.045-0.080 mm (0.0018-0.0031 in)
3. 2nd ring : 0.030-0.070 mm (0.0012-0.0028 in)
4. Oil ring : 0.065-0.135 mm (0.0026-0.0053 in)
5. Maximum Limit
6. Top ring : 0.11 mm (0.0043 in)
7. 2nd ring : 0.1 mm (0.004 in)
If out of specification, replace piston ring assembly. If clearance exceeds maximum limit with new rings, replace piston

Fig 1: Checking Piston Ring Side Clearance
Courtesy of NISSAN MOTOR CO., U.S.A.