A4 Mk3
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Piston Ø mm | |||
Nominal dimension | 82.924 … 82.936 1) | ||
Repair oversize | 82.964 … 82.976 1) | ||
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Cylinder bore Ø mm | |||
Nominal dimension | 83.006 … 83.014 1) | ||
Repair oversize | 83.046 … 83.054 1) | ||
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Piston ring | new mm | Wear limit mm |
1st compression ring | 0.25 … 0.40 | 0.60 |
2nd compression ring | 0.70 … 0.90 | 1.20 |
Oil scraper ring | 0.25 … 0.50 | 0.70 |
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Piston ring | new mm | Wear limit mm |
1st compression ring | 0.009 … 0.130 | 0.160 |
2nd compression ring | 0.05 … 0.09 | 0.11 |
Oil scraper ring | 0.03… 0.07 | 0.10 |