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Old 04-16-2014, 04:22 PM   #1
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diesel fuel and exhaust

I have a Lehman 120 with about 3500 hours on it. Starts fine, runs fine. Also burns little to no oil and oil always looks good. but I notice that there appears to be a small sheen of diesel from the exhaust discharge. Hopefully nothing major. Any thoughts?
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Old 04-16-2014, 04:27 PM   #2
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Greetings,
Mr. E. Common for a Lehman IMO.
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Old 04-16-2014, 04:41 PM   #3
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Thanks. That is my general understanding and that it is common with a Lehman 120. As previously stated the engine starts easily from a cold start, runs well, good rpm/power and oil looks fine.
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Old 04-16-2014, 06:40 PM   #4
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On most diesels, lots of idling/low RPM can cause an exhaust sheen on the next startup.
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Old 04-16-2014, 07:50 PM   #5
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Nope, Lehmans always mark their territory. You can diminish it a bit by servicing your injectors, but don't expect miracles.
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Old 04-16-2014, 08:19 PM   #6
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Might just want to check the oil cooler. They can bleed into the water system and produce a slick if leaking internally.

Random thought.
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Old 04-17-2014, 09:42 AM   #7
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Seems to confirm what I was told about Lehmans. Work horse of an engine but with a few unique characteristics.
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Old 04-17-2014, 10:16 AM   #8
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Read my old posts about changing to synthetic.

I have happy Lehmans.
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Old 04-17-2014, 12:34 PM   #9
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Quote:
Originally Posted by Xsbank View Post
Nope, Lehmans always mark their territory.
That's pretty funny.
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