Operation CHARM
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Audi
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1996
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Cabriolet V6-2.8L (AFC)
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Block Assembly
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Piston
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Service Precautions
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.