A6 Quattro Sedan V8-4.2L (BVJ) (2007)
-
Using an internal dial gauge 50 to 100 mm, measure at 3 points in diagonal sequence horizontally - A - and vertically - B -.
‹› Maximum deviation from nominal dimension: 0.08 mm.
Nominal dimension => [ Piston and Cylinder Dimensions ] See: Specifications.
Piston installation position
-
Mark allocation to cylinder with pen on piston crown for reinstallation.
‹› Do not use a center punch or scribe, since the piston head coating will be damaged.
Installed location:
‹› Arrows on piston heads point to belt pulley side.
‹› Large valve recesses - 1 - point toward center of engine.
Mark connecting rod