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Home >> Audi >> 2012 >> S5 4.2, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1304 (Crankshaft, Cylinder Block (Servicing) [CABB, CABA, CABD, CAEA, CAEB, CDHB, CDNB, CDNC, CDHA, CDZA, CADA, CCUA, CFKA, CPMA, CAED, CPMB, CHJA, CPEA] (Cabriolet)) >> Crankshaft, Cylinder Block >> Pistons And Connecting Rod >> Piston And Cylinder Bore, Checking >> Checking Piston Bore

Checking Piston Bore

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Fig 1: Checking Piston Bore
GWWN13-10567Courtesy of AUDI OF AMERICA, LLC

-- Measure approximately 15 mm from the lower edge at a 90° angle to the piston pin axis using a 75 to 100 mm external micrometer.

    Piston Diameter
Standard dimension mm 82.42 1)
  • 1) Measurement without coating (thickness = 0.02 mm). The coating wears off.
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