Allocation of main bearing shells for new crankshafts

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Fig 1: Allocation Of Crankshaft Bearing Shells For Cylinder Block

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Allocation of crankshaft bearing shells for cylinder block

Bearing shells with correct thickness are allocated to cylinder block in factory. Colored dots on sides of bearing shells serve for identifying bearing shell thickness.
Allocation of bearing shells to cylinder block is marked by one letter each at left front on cylinder block (can be read from outside) as shown in the illustration.

Letter on cylinder block		Color of bearing
R	=	Red
G	=	Yellow
B	=	Blue

NOTE:

In addition, the letters are also stamped on the guide frame.

Fig 2: Allocation Of Crankshaft Bearing Shells For Guide Frame - Crankshaft Manufactured By Alfing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Allocation of crankshaft bearing shells for guide frame - crankshaft manufactured by Alfing

Bearing shells with correct thickness are allocated to guide frame in the factory. Colored dots on sides of bearing shells serve for identifying bearing shell thickness.
Allocation of bearing shells to guide frame is marked by one colored dot each on crankshaft counterweight as shown in the illustration.
Crankshafts manufactured by Alfing have no manufacturers identification.

Colored dot on crankshaft	Color of bearing
Red	Red
Yellow	Yellow
Blue	Blue

Fig 3: Allocation Of Crankshaft Bearing Shells For Guide Frame - Crankshaft Manufactured By Weber

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Allocation of crankshaft bearing shells for guide frame - crankshaft manufactured by Weber

Bearing shells with correct thickness are allocated to guide frame in the factory. Colored dots on sides of bearing shells serve for identifying bearing shell thickness.
Allocation of bearing shells to guide frame is marked by one colored dot each on front crankshaft counterweight as shown in the illustration. The "X" marks the end of the letter series and stand next to color identification for bearing 1 (belt pulley side).
Crankshafts manufactured by Weber have a manufacturers identification - A - on front crankshaft counterweight.

NOTE:

The letter series begins at left with bearing 5 (flywheel side).

Letter on crankshaft		Color of bearing
R	=	Red
G	=	Yellow
B	=	Blue