Checking The Piston Ring Gap
WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, and 2016 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
-- Push the piston ring squarely from above down to approximately 15 mm from the bottom end of the cylinder.
-- Use a piston without a piston ring for pushing it in.
| Piston Ring | New mm | Wear Limit mm |
|---|---|---|
| Compression ring | 0.20 +0.15 | 1.0 |
| Oil scraping ring (2 parts) | 0.20 +0.20 | 3.0 |
| Oil scraping ring (3 parts) | 0.50 +/-0.25 | 3.0 |