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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Dimensions

Diameter Specifications






Cylinder-to-piston clearance 0.02 - 0.03

Piston Identification





The following marks are stamped on the upper piston crown section (installation position):

Letter "E" in the middle (towards inlet), with change level ID (internal Mahle ID) to the right; the tolerance group (0, 1, 2, 3) is indicated to the left of the "E", and the weight class is indicated next to the tolerance group.

NOTE: The signs - - (minus minus) to indicate the weight group may also appear in vertical direction.