Piston Installation Position

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Fig 1: Identifying Piston, Installed Position

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installation position: arrow -1- on the piston head points toward the belt pulley side.

NOTE:

Mark the installation location and assignment to the cylinder on the piston crown of used pistons with chalk or a waterproof felt-tip pen so they can be installed again.

Do not use a center punch or scribe, since the piston head coating will be damaged.