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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 Cylinder Bore (Dimensions)

Checking Cylinder Bore (Dimensions)

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Fig 1: Checking Cylinder Bore (Dimensions)
GWWV13-0280Courtesy of AUDI OF AMERICA, LLC

Special Tools And Workshop Equipment Required 

CAUTION:

- Never handle the cylinder bore with service equipment (drilling, honing, lapping).

-- Using a :VAS6078  measure in a diagonal sequence at three positions transversely -A- and longitudinally -B-.

Dimension Cylinder Bore Diameter
Standard dimension 82.51 mm
NOTE:

A shadow or a shiny spot on the wall of the cylinder does not mean the cylinder bore is damaged as long as the cross-lapping is still visible.