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  1. #1
    New Member
    Join Date
    Mar 2012
    Gleason, WI

    Default D414 leaking oil out of exhaust

    Hey everyone. I just put an inframe kit (piostons, rings, sleeves, bearings) in my D414 and had a shop grind valves, put new injector tubes and surface the head. I put about 10 hours on it and all of the sudden it started to run a little rough, lose a little power and throw considerably more greyish black smoke out the exhast. I had about 70 psi oil pressure and the temperature did not get above half (which is how this tractor has always run). I drove it across the field and parked it and there is a pretty good amount of engine oil leaking out of the exhaust manifold where the muffler attaches. Anyone have an idea of what is going on??? I would imagine that the new head gasket blew but am not sure? There is little to no blow by out of the tube. All ideas are appreciated!!

  2. #2
    Elite Member
    Join Date
    Jan 2009
    Carroll, Ohio
    IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. '65 Ford 2000 3 cyl., 4 spd. w/3 spd Aux. Trans

    Default Re: D414 leaking oil out of exhaust

    Are you sure it is engine oil, or blackened raw fuel. I had an injector go bad on my MF 180, and when I saw what I thought was engine oil, was actually raw fuel, blackened by carbon out of the manifold.

  3. #3
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Lincoln County, NC need new avatar!
    Just a Scag

    Default Re: D414 leaking oil out of exhaust

    Change the thermostat, block part of the radiator, do whatever you need to do to get the coolant temp up to an actual 180-200 degrees F and run the crap out of it for 10-20 hours. You are trying real hard to glaze the cylinder walls and are doing nothing to get the new piston rings to seat.
    You are heading down the road to killing a fresh overhaul with kindness.
    Spring is the season of optimism.

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