R8 Quattro Coupe V10-5.2L (BUJ) (2010)
‹› Maximum deviation from the specified dimension: 0.03 mm.
Nominal dimension, refer to => [ Piston and Cylinder Dimensions ] See: Piston/Specifications.
Measuring Cylinder Bore
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Measure diagonally at 3 positions transversely - A - and longitudinally - B - using a cylinder gauge (VAS 6078).
‹› Maximum deviation from the specified dimension: 0.08 mm.
Nominal dimension, refer to => [ Piston and Cylinder Dimensions ] See: Piston/Specifications.
Piston Installed Position
CAUTION!
The coating on the piston crown could be destroyed.
‹› Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston head with a punch,
notch or something similar.
Installation position:
‹› Arrows on piston heads point to belt pulley side.
‹› Large valve recesses - 1 - point toward center of engine.