punkin2011
New User
i have a 1966 cat 933G tack loader i rebulit the fuel transfer pump cause diesel was leaking out the drain line on fuel transfer pump started it up ran good no problems for a few mins started leaking again talked to a old man that work on them for a long time he said take all injector lines off the injector pump leave them on the engine with pump in off and crank engine over and see if any of the injector line push fuel out whitch #4 did so he said had a injector tip staying open and it was pushing presurre back through and was blowing the seals i replaced my question is will it leak fuel in the engine oil cause it smells like diesel and oil mixed and my oil level went up on the dipstick and oil is a darkess blackess gray i drained the oil as soon as i removed plug oil came out if it was water it would come out first but theres no sign of water but smell of diesel and oil it was black before any help thanks