As via talk with you from phone on 24-02-15 for your judgment problem of FA sample and you was judgment OK. Then I would like to send picture to you for confirm your judgment and see detail as below;
1. P558 6.7L Cylinder Block rear model found galling problem.
2. P558 6.2L&6.8L Cylinder Block front model peeling problem.
Please reply message to me for confirm.