Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Piston Ring, Engine

Engine Mechanical Specifications
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production; 0.23-0.44 mm (0.009-0.017 inch)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service; 0.23-0.5 mm (0.009-0.0196 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production; 0.44-0.7 mm (0.017-0.027 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service; 0.44-0.76 mm (0.0173-0.03 inch)
Piston Ring End Gap- Oil Control Ring - Measured in Cylinder Bore - Production; 0.18-0.75 mm (0.007-0.029 inch)
Piston Ring End Gap- Oil Control Ring - Measured in Cylinder Bore - Service; 0.18-0.81 mm (0.007-0.032 inch)
Piston Ring to Groove Clearance - First Compression Ring- Production; 0.04-0.085 mm (0.00157-0.00335 inch)
Piston Ring to Groove Clearance - First Compression Ring - Service; 0.04-0.085 mm (0.00157-0.00335 inch)
Piston Ring to Groove Clearance - Second Compression Ring- Production; 0.04-0.078 mm (0.00157-0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Service; 0.04-0.078 mm (0.00157-0.0031 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Production; 0.012-0.2 mm (0.0005-0.0078 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Service; 0.012-0.2 mm (0.0005-0.0078 inch)