Thanks everyone. I was thinking its not a good thing either, but I dont know anything about oils. Yes this vehicle tears up the oil. i have done several oil analysis through a few companies and the results are not favorable for using any oil in the machine for the standard 3000-5000 miles.
I...
I went to the oil change facility today. The pump to dispense 5w30 synthetic was broken without telling me they put in 5W20. Will this damage the engine of my vehicle? The vehicle is a 2008 GMC Acadia with 86,000 miles on it. Anyone's assistance or Suggestions would be welcome.thank you