Checking piston ring gap
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Special tools and equipment
Work sequence
- Push ring squarely from above down to approx. 15 mm from bottom end of cylinder.
| Piston ring |
|
Gap |
| |
|
New |
Wear limit |
| Compression rings |
mm |
0.20 to 0.40 |
0.8 |
| Oil scraper ring |
mm |
0.25 to 0.50 |
0.8 |