|05-11-2011 10:11 PM|
|Rubicon2||Factory markings to verify they were inspected and torqued properly.|
|05-11-2011 10:04 PM|
What Do Green Marks on Plugs Mean?
I recently purchased a 2003 wrangler sport and was changing the oil for the first time and saw what looks like green check marks on some of the plugs, and a blue mark on the oil drain plug. Any insight as to what these mean?