Panamera S (970) V8-4.8L (2010)
Piston classification, naturally aspirated engine
1 - Marking for dimension group (just one permitted per engine, in this case x)
2 - Porsche short numeric code without main or middle number
3 - Short numeric code (supplier)
4 - Marking area for weight group (just one permitted per engine, + or -)
5 - Cylinder bank identification (V6 1-3 and 4-6) (V8 1-4 and 5-8)
6 - Barcode 128 (short numeric code without main group or weight group)
7 - Arrow marking in direction of travel
8 - Identification for dimension group
9 - Arrow marking in direction of travel
10 - Inspection stamp (supplier)
Piston classification, turbo engine
1 - Arrow marking in direction of travel
2 - Porsche short numeric code without main or middle number
3 - Short numeric code (supplier)
4 - Cylinder bank identification (V8 1-4 and 5-8)
5 - Marking area for weight group (just one permitted per engine, + or -)
6 - Barcode 128 (short numeric code without main group or weight group)
7 - Arrow marking in direction of travel
8 - Marking for dimension group (just one permitted per engine, in this case x)
9 - Marking area for weight group (just one permitted per engine, + or -)
10 - Inspection stamp (supplier)
1. First fit the two-piece oil scraper ring. To do this, insert the oil scraper spring into ring groove 3. Carefully force the oil scraper ring (TOP marking
facing up towards the piston crown -A-) apart with your hand and fit it into the third piston ring groove above the oil scraper spring.