TheallegeddefectstemsfromissueswithintheGM8L90and8L45transmissionsthatcausefrictionsurfaces,hydraulicsystemsandgearstofunctionimproperly,which,inturn,causesmetalshavingstocirculatethroughatransmission,accordingtothecomplaint.Theseproblemsbegetfurtherissues,thecasegoeson,asdamagetothetransmissionandtorqueconverterultimatelyresultintheneedfor“escalatingrepairs”tocleanouttheinsideofatransmission,ifthecomponentisevensalvageable.“Consumersfaceescalatingrepairsthatcanincludeflushingthetransmissionofmetalshavingscausedbythedefectivetransmissionoperation,”thelawsuitreads,“andwhicheventuallynecessitatethereplacementofcomponentssuchasthetorqueconverter,valvebody,ortheentiretransmission.