Checking piston

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Checking Piston

GW00000054

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Measure approx. 10 mm from lower edge, at a 90 ° angle to piston pin axis using an external micrometer 75 to 100 mm.

Maximum deviation from nominal dimension: 0.04 mm.

Nominal dimension → Piston and cylinder dimensions .