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Home >> Porsche >> 2023 >> Cayenne Base, 4D Utility Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (13 Engine - Crank Drive, Pistons 4.0L -- 9YA - Cayenne (9YA)) >> WM, 131004 Measuring Pistons (Includes Measuring Cylinder Bore) (V8 Turbo) >> Measuring Cylinder Bore

Measuring Cylinder Bore

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  1. Using the cylinder gauge VAS 6078,  take measurements as shown > Diagram for measuring cylinder bore  at three points in the cylinder, crosswise in transverse direction A  and in longitudinal direction B. 
    G15211417Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Diagram for measuring cylinder bore

    1  20-mm cylinder bore depth
    2  60-mm cylinder bore depth
    3  105-mm cylinder bore depth
Cylinder bore New in mm Maximum permitted deviation from nominal measurement in mm Note
Nominal measurement 86.01 ± 0.005 Not determined Measure at 20/60/105-mm cylinder bore depth.