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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (4.2L - Engine Mechanical, Engine Code(S): BHF) >> 13 - Engine - Crankshaft, Cylinder Block >> Piston and connecting rod, disassembling and assembling >> Piston and cylinder dimensions

Piston and cylinder dimensions

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Matching pistons are allocated to the different manufacturing stages of the cylinder block.

Cylinder bore diameter mm Piston diameter mm
84.510 ± 0.005 84.490 ± 0.010 * See note
84.610 ± 0.005 84.590 ± 0.010 * See note
84.710 ± 0.005 84.690 ± 0.010 * See note

*Dimension with graphite coating (thickness = 0.01 mm). The graphite coating wears off.

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