Piston Ring Groove Clearance, Checking
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi A4 Quattro, 2014 Audi A4 Quattro, and 2013 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the piston ring groove before checking.
| Piston Ring Gap in Connection with the Two- Piece Oil Scraping Ring Dimensions in mm |
New | Wear Limit |
|---|---|---|
| 1. Compression ring | 0.06 to 0.09 mm | 0.20 mm |
| 2. Compression ring | 0.03 to 0.06 mm | 0.15 mm |
| Oil Scraping Ring | Cannot be measured | |
| Piston Ring Gap in Connection with the Three-Piece Oil Scraping Ring Dimensions in mm |
|
|---|---|
| 1. Compression ring | Cannot be measured |
| 2. Compression ring | Cannot be measured |
| Oil Scraping Ring | Cannot be measured |