Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner
synthetic oil
1-1 of 1 Results
  1. OEM Issues
    Hey guys, I'm new here so I had a question. Just this week, I decided to do my own oil change on my 2006 Trailblazer. I haven't done my own oil changes for years but, I decided, that since I have 115,000 on 'er to make the switch to full synthetic. So, I picked up 7 quarts (that's what it...
1-1 of 1 Results