Nov 27, 2016 / JD1070 - Is Diesel corrosive?? Why is my fuel cap all corroded?? #11 J JimRB Veteran Member Joined Nov 11, 2008 Messages 1,360 Location Covington, GA Tractor JD 870 Mine has been looking like that for years. I wanted to take the tank off to clean and treat but that requires taking off the roll cage.
Mine has been looking like that for years. I wanted to take the tank off to clean and treat but that requires taking off the roll cage.