Checking The Piston Ring Gap
WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
-- Push ring squarely from above down to approximately 15 mm from bottom end of cylinder. To do this use a piston without rings.
| Piston Ring Dimensions in mm |
New |
Wear Limit |
| 1. Compression ring |
0.25 to 0.38 |
0.80 |
| 2. Compression ring |
0.70 to 0.90 |
1.30 |
| Oil scraping ring |
Maximum 0.40 |
0.70 |