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Home >> Porsche >> 2023 >> Cayenne Base, 4D Utility Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (1X Engine - General 4.0L -- 9YA - Cayenne (9YA)) >> WM, 1X00IN Technical Values (V8 Twin-Turbo) >> Service Information 13 - Engine - Crank Drive, Pistons >> Crankshaft

Service Information 13 - Engine - Crank Drive, Pistons: Crankshaft

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The allocation of bearing shells to the cylinder block is indicated by a letter at the front left of the cylinder block (can be read from outside).

Allocation of crankshaft bearing shells to bearing covers 

G15211924Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Allocation of crankshaft bearing shells to bearing covers

The allocation of bearing shells to the bearing covers is indicated by a letter on the front crankshaft flange as shown.

The series of letters begins with crankshaft bearing "5" (on transmission side) and ends with crankshaft bearing "1" (on pulley side).

Letter on crankshaft flange/cylinder block Colour of bearing
R = Red
S = black
G = Yellow
U = green
B = Blue