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Home >> Volkswagen >> 2004 >> GTI VR6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (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 car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
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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