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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (1.9L - TDI Engine Mechanical, Fuel Injection Glow Plug, Engine Code(S): BEW (A4 Platform)) >> 13 - Engine - Crankshaft, Cylinder Block >> Piston and connecting rods, servicing >> Piston rings, checking >> Piston installation position and piston/cylinder allocation

Piston installation position and piston/cylinder allocation

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Valve Position
GW00000319Courtesy of VOLKSWAGEN UNITED STATES, INC.

Piston in cylinders 1 and 2:

Larger intake valve chamber toward flywheel end - arrows  -.

Piston in cylinders 3 and 4:

Larger intake valve chamber toward belt pulley end - arrows  -.

NOTE:
  • New piston allocation to cylinders is shown by a colored marking on piston crown.
  • Piston for cylinders 1 and 2: marked 1/2.
  • Piston for cylinders 3 and 4: marked 3/4.
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