Operation CHARM: Car repair manuals for everyone.

Piston Ring Gap & Groove Clearances



Piston Ring Gap, Checking.

Fig. 1:









- Push ring squarely from above down to approximately 15 mm from bottom end of cylinder. To push down, use a piston without rings.

Ring To Groove Clearance, Checking

Fig. 2:









- Clean groove before checking.

Piston And Cylinder Dimensions