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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.9L - Crankshaft, Cylinder Block - Engine Code(S): BKC, BLS, BRM & BXE (A5 Platform) >> 13 Engine - Crankshaft, Cylinder Block >> General Information >> Installed Position Of Piston And Piston/Cylinder Allocation

Installed Position Of Piston And Piston/Cylinder Allocation

Fig 1: Identifying Valve Position
GWWV13-1204Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Pistons in cylinder 1 and 2: 

Large valve pocket for intake valve toward flywheel side -arrows-

Pistons in cylinder 3 and 4: 

Large valve pocket for intake valve toward belt pulley side -arrows-

NOTE:

On new pistons, the cylinder allocation is stamped on the piston face in paint.

Pistons for cylinder 1 and 2: identification 1/2

Pistons for cylinder 3 and 4: identification 3/4

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