Unqenqema lwangaphandle lwesici sikawoyela: imbozwe ngenjoloba, udebe oluvala uphawu lufushane futhi luthambile, olunentwasahlobo, udebe olungangenwa uthuli.
Lolu hlobo lwama-Oil Seals lusetshenziswa kakhulu ezimweni lapho kukhona Amafutha nokucindezela, futhi uhlaka lwamathambo e-Oil Seals TCV luyisakhiwo sonke, ngakho-ke ukuguqulwa komlomo ngaphansi kwengcindezi kuncane, futhi kufanelekile ukusetshenziswa ezimweni lapho ububanzi be-axial bukhulu futhi ingcindezi iphezulu (kufika ku-0.89mpa).