Operation CHARM: Car repair manuals for everyone.

Piston, Engine

Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.23-0.44 mm (0.009-0.017 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.23-0.5 mm (0.009-0.0196 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.44-0.7 mm (0.017-0.027 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.44-0.76 mm (0.0173-0.03 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.18-0.75 mm (0.007-0.029 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.18-0.81 mm (0.007-0.032 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production 0.012-0.2 mm (0.0005-0.0078 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service 0.012-0.2 mm (0.0005-0.0078 in)
Pistons and Pins
Pin - Piston Pin Clearance-to-Piston Pin Bore - Production 0.002-0.01 mm (0.00008-0.0004 in)
Pin - Piston Pin Clearance-to-Piston Pin Bore - Service 0.002-0.015 mm (0.00008-0.0006 in)
Pin - Piston Pin Diameter 23.952-23.955 mm (0.9430-0.9431 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Production 0.007-0.02 mm (0.00027-0.00078 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Service 0.007-0.022 mm (0.00027-0.00086 in)
Piston - Piston Diameter - Measured Over Skirt Coating 96.002-96.036 mm (3.7796-3.7809 in)
Piston - Piston to Bore Clearance - Production -0.036 to +0.016 mm (-0.0014 to +0.0006 in)
Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off 0.071 mm (0.0028 in)