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Old 12-04-2019, 13:07   #31
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Re: New twist on Yanmar issue?

Okay... the mechanic just left and seems to think it may be a ring issue. He has suggested changing the current oil to a “break-in” oil for two change cycles and see if that frees it up. I’ll keep everyone posted and let you know how it progresses.
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Old 12-04-2019, 14:32   #32
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Re: New twist on Yanmar issue?

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Originally Posted by Gr8tewhite View Post
Okay... the mechanic just left and seems to think it may be a ring issue. He has suggested changing the current oil to a “break-in” oil for two change cycles and see if that frees it up. I’ll keep everyone posted and let you know how it progresses.
Fill us in! What did he do while he was there?
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Old 12-04-2019, 15:54   #33
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Re: New twist on Yanmar issue?

WTF???
Yea what Cheechako said. I'm dying to know what the "Yanmar certified" tech did whilst he was there?
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Old 12-04-2019, 16:55   #34
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Re: New twist on Yanmar issue?

I must admit to being just as miffed as you guys. The “Yanmar tech” who shall remain nameless, as of now, sent a guy who is “just a wrench puller,” to basically call him on the phone while he was here. He gave him the exact same description as I did, two weeks prior. He also verified that I did not have an oil cooler (I could have told him that.) All said, he spent about 15 minutes here, mostly on the phone. Absolutely no troubleshooting, nor Yanmar tech.
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Old 15-04-2019, 15:00   #35
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Re: New twist on Yanmar issue?

You would be more miffed than me as i didn't pay for the "wrench puller"
Did you do the checks that Sailorchick suggested in post#16? That would be my first step. If you get another mechanic in tell him you want a compression test done BEFORE he visits.It may be fine & easy starting suggest that it is but it's something you want to check.Whilst injectors are out he could check spray pattern as well.
Would be very surprised if running in oil solves yr problem unless yr engine had sat unrun for ages. Keep us posted
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