roof AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual
Page 28 of 33
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Pistons and piston rings
Pistons
Installation position: arrow on piston crown must point in driving direction.
CAUTION!
DO NOT scratch or scribe on piston crown. The surface has a
coating that must not be damaged.
Checking piston diameter - Mark cylinder number on piston crown using waterproof felt pen.
- Measure pistons approx. 10 mm (3/8 in.) from bottom edge at right
angle (90 ) to piston pin. Deviation from nominal size: 0.04 mm (0.0016 in.).
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ylinder block, crankshaft and fl
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