Checking Piston

WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Measure approx. 10 mm (0.4 in.) from lower edge of piston skirt at right angle (90°) to piston pin.
- Maximum deviation from nominal diameter: 0.04 mm (0.0016 in.)
Fig 1: Checking Piston Diameter
Courtesy of VOLKSWAGEN OF AMERICA, INC.

NOTE: Only pistons and piston rings of the same type and pistons of the same weight class may be installed.