Jetta L4-1.9L DSL Turbo (AAZ) (1997)
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Piston: Specifications
DIMENSIONS
Piston Diameter:
Standard ................................................................................................................................................................................. 79.48 mm (3.1315 inch)
1st Oversize ........................................................................................................................................................................... 79.72 mm (3.1410 inch)
2nd Oversize .......................................................................................................................................................................... 79.98 mm (3.1512 inch)
Piston Ring Groove Clearance:
New:
1st Compression Ring .......................................................................................................................................... 0.06-0.09 (0.0024-0.0036 inch)
2nd Compression Ring ......................................................................................................................................... 0.05-0.08 (0.0020-0.0032 inch)
Oil Scraper Ring ................................................................................................................................................... 0.03-0.06 (0.0012-0.0024 inch)
Wear Limit:
1st Compression Ring ............................................................................................................................................................... 0.25 (0.0098 inch)
2nd Compression Ring .............................................................................................................................................................. 0.25 (0.0098 inch)
Oil Scraper Ring ....................................................................................................................................................................... 0.15 (0.0059 inch)
