R RamDave Gear Head Joined Nov 5, 2008 Messages 53 Feb 4, 2016 #1 My brother in law has an 07.5 with a 6.7. Just called me yesterday and said the oil on his dipstick was gray and he got an alert on his display saying take to dealer right away. I'm guessing head gasket. Any other thoughts?
My brother in law has an 07.5 with a 6.7. Just called me yesterday and said the oil on his dipstick was gray and he got an alert on his display saying take to dealer right away. I'm guessing head gasket. Any other thoughts?
Black Diesel New member Joined Jun 14, 2013 Messages 192 Feb 9, 2016 #2 Could be the oil cooler as well. Sent from my iPhone using Tapatalk