Hello all,
Working on a new to me 1994 International 8300 with the Detroit 60 Series (11.1L). Engine seems strong, no coolant in the oil, but I am getting coolant in my fuel filter / water separator.
Here is a fuller description of the symptoms: 1) I'm getting coolant in the fuel filter. Not seeing coolant in the fuel tank right now but definitely getting it in the Davco. 2) Also hard to start cold (it runs for 20 seconds or so then super hard to start - massive white smoke and then some gray smoke when it gets close to restart). 3) oil is good, no coolant there. 4) I bypassed the coolant / diesel exchange but I'm afraid to run it now that I've found the coolant (don't want to do any more damage).
Initial thought is that it could be injector cup (or cups) but I'm not sure how to rule out any other possibilities. Would appreciate your thoughts. Just bought this and am definitely dreading a big repair bill. Thanks all
a.
Detroit 60 Series (11.1L) - Coolant in fuel / water separator
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by alfio, Apr 26, 2023.
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This is what mine looked like when I drained my fuel tanks during rebuild. I had all the same symptoms.
Last edited: Apr 26, 2023
singlescrewshaker Thanks this. -
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blairandgretchen, singlescrewshaker and alfio Thank this.
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a.blairandgretchen and singlescrewshaker Thank this. -
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a.JoeyJunk Thanks this. -
I had injector cups problems 18 years ago. But I found out because compression was breaching cup or cups and interfering with fuel flow in the head, causing a brief sharp sputter and getting into
singlescrewshaker, JoeyJunk and Big Road Skateboard Thank this. -
singlescrewshaker, JoeyJunk and alfio Thank this.
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