I have a 2015 Sierra with an L83 and 6L80 trans. I have not had any luck with the GM 5.3 product as I had one loose oil pressure at 115000 and now this one dropped cylinder 7 at 56000. I am looking...
Type: Posts; User: BonesDMC; Keyword(s):
I have a 2015 Sierra with an L83 and 6L80 trans. I have not had any luck with the GM 5.3 product as I had one loose oil pressure at 115000 and now this one dropped cylinder 7 at 56000. I am looking...