Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring End Gap-First Compression Ring - Service Limit 1.37 mm (0.0539 inch)
Piston Ring End Gap-First Compression Ring - Production Value 0.3-0.45 mm (0.0118-0.0177 inch)
Piston Ring End Gap-Second Compression Ring - Service Limit 1.35 mm (0.0531 inch)
Piston Ring End Gap-Second Compression Ring - Production Value 0.50-0.65 mm (0.0197-0.0256 inch)
Piston Ring End Gap-Oil Control Ring - Service Limit 1.20 mm (0.0472 inch)
Piston Ring End Gap-Oil Control Ring - Production Value 0.15-0.35 mm (0.0059-0.0138 inch)
Piston Ring to Groove Clearance-First Compression Ring - Service Limit 0.26 mm (0.0102 inch)
Piston Ring to Groove Clearance-First Compression Ring - Production Value 0.08-0.17 mm (0.0030-0.0067 inch)
Piston Ring to Groove Clearance-Second Compression Ring - Service Limit 0.10 mm (0.0039 inch)
Piston Ring to Groove Clearance-Second Compression Ring - Production Value 0.01-0.03 mm (0.0004-0.0012 inch)
Piston Ring to Groove Clearance-Oil Control Ring - Service Limit 0.12 mm (0.0047 inch)
Piston Ring to Groove Clearance-Oil Control Ring - Production Value 0.01-0.03 mm (0.0004-0.0012 inch)