Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

PISTON RING GAP & GROOVE CLEARANCE

Piston Ring End Gap
First Compression Ring 0.150-0.300 mm (0.0059-0.0118 in)
Second Compression Ring 0.300-0.450 mm (0.0118-0.0177 in)
Oil Control Ring 0.250-0.500 mm (0.0098-0.0197 in)

Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.0016-0.0037 in)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 in)
Oil Control Ring None - Side Sealing