I Have a 99 freightliner classic with a series 60 Detroit . It developed a skip today and has a strog smell of diesel coming from the blow by tube. Any idea where to start?
Detroit skip
Discussion in 'Freightliner Forum' started by hrdwrkntrkr, May 17, 2013.
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pull your dipstick out and smell the oil for fuel.
blowby is going to smell like diesel. it's unburnt fuel from compression escaping past the piston rings.x#1 Thanks this. -
Last edited: May 18, 2013
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try to jump starter with ignition off. When motor crancks engine you feel compression of every cylinder. If cylinder is bad you feel and hear it. Use cheap chenese temp gun to find bad cylinder. After that remove valve cover to inspect exaust valves springs. It is not easy but possible to change spring w/o cyl head removing
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bad injector caused the same on mine.puts fuel into the engine oil like snowwy said.don't run it too long like that please.
Last edited: May 18, 2013
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i had a dead cylinder. limped it 250 miles back to yard 5 cylinders. left the load behind.
came back 2 days later. problem fixed. oil level was much higher though. and you could smell the fuel.
dn't know what the problem was. but it was a cheap fix. changed the oil and truck ran better then before the problem so i'm guessing it was a overhead adjustment. jakes even worked better.
picked the load back up and delivered.Last edited: May 18, 2013
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Thanks for the advice guys . Opened the valve cover and found an infector that was blowing fuel out the side .
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