Audi Workshop Service and Repair Manuals > 100S Quattro Wagon (Canada) V6-2.8L (AAH) (1992) > Engine, Cooling and Exhaust | Engine | Cylinder Block Assembly | Piston, Engine | Component Information | Specifications

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Piston: Service Precautions

PISTON COATINGS

Do NOT scratch or scribe the piston surface. This surface has a coating on it that must not be disturbed.

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