150k, 2016 ED 3.92 gear ratio. GDE Tune.
On 9/30/2020 I was pulling a light 1,000 lbs load down the highway at 65 mph. I looked out my side mirror and observed a giant cloud of smoke. I pulled over and witnessed gear oil covering left rear wheel and trailer. The smoke was from the gear oil...
Hi,
I noticed a drop of oil on top of my engine cover and took it off to investigate. The tube entering into the intake manifold (?) has a good deal of oily residue around it. What is the cause and the fix? Thanks!