first off if this is in the wrong area mods feel free to move it but any way ever since the day i bought my aveo it has had a small oil leak threw the valve cover which basically means it has a compression leak somewhere in the top end i have had it into the dealership 6 times to have it fixed and everytime they have replaced the same gasket for the single bolt on the valve gasket, and every time i have told them it has to be the piston ring fluttering, now i know im right but they wont fix the problem what can i do? please help any info would help thx