Operation CHARM: Car repair manuals for everyone.

Piston Ring

Ring groove width compression top -
compression bottom 3.030-3.055 Millimeter (mm)
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 mm
Piston ring gap Compression (top )- gauge diameter 0.100-0.250 Millimeter (mm)
specification 82.4 mm diameter gauge
Compression (bottom)- gauge diameter 0.27-0.42 Millimeter (mm)
Oil ring (steel rail)- gauge diameter 0.15-0.65 Millimeter (mm)
Compression (top)- service limit 0.50 mm
max
Compression (bottom)- service limit 0.65 mm
max
Oil ring (steel rail)- service limit 0.90 mm
max