FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Piston Ring

Piston ring Side clearance Compression (top) 0.040-0.075 Millimeter (mm)
Compression (bottom) 0.040-0.085 Millimeter (mm)
Oil ring Snug fit
Service limit 0.10 Millimeter (mm)
ring gap Compression (top) gauge diameter 0.100-0.250 Millimeter (mm)
Compression (bottom) gauge diameter 0.27-0.42 Millimeter (mm)
Oil ring (steel rail)
Specification 82.4 mm (3.2441 inch) diameter gauge
gauge diameter 0.15-0.6 Millimeter (mm)
Compression (top) service limit max. 0.50 Millimeter (mm)
Compression (bottom) service limit max 0.65 Millimeter (mm)
Oil ring (steel rail) service limit max 0.90 Millimeter (mm)