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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Piston Ring, Engine






Specifications, mechanical

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Pistons (engine capacities)









Classification is marked on the top of the piston.










Piston rings




Upper compression ring.0.030-0.070 mm
Lower compression ring.0.030-0.070 mm
Oil control ring assembly.0.038-0.142 mm
Upper.1,200 -0.010/-0.030 mm
Lower.1,500 -0.010/-0.030 mm
Spring.1.510 ± 0.020 mm
Rail.0.460 ± 0.011 mm

Piston pin