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Dave,
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Here a video of the tick before I started correcting the problem.
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<a href="https://youtu.be/0P-USZfsbzs">https://youtu.be/0P-USZfsbzs</a>
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Jim Thomson
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Rehoboth, MA
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On April 5, 2020 at 7:46 AM Jim Thomson <macowboy@comcast.net> wrote:
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Dave,
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This may be a long shot but have you checked the exhaust manifold for leaks or cracks? I went through this with my old truck last summer. I adjusted all the valves and replaced a couple rocker arms but still had the same type of tick. A friend told me to check for exhaust leaks. I pressurized the system from the tail pipe and found plenty of leaks but the most critical were at the exhaust manifold(inline 6 cylinder). I thought it was a bad gasket but the manifold bolts were loose. 95% of my tick went away. I still have one valve to adjust as I too went around with the stethoscope and isolated the tick to one of 2 rocker that need to be adjusted. I would have never looked at this so it is worth a try.
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Jim Thomson
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Rehoboth, MA
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On April 4, 2020 at 8:22 PM Dave Maynard <dave@themaplehillfarm.com> wrote:
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Have already switched injectors, replaced one, no change. Now replaced all the injectors yesterday with new and new cups on the bottom as well. Running a 20-50W synthetic and oil has been changed twice along with the filter. Same oil I've always run in my Chevy Duromax since it was new and have 300,000 miles on it and never done anything to it.
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Dave M.
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On Sat, Apr 4, 2020, 7:19 PM Cecil Bearden <
<a href="mailto:crbearden@copper.net">crbearden@copper.net</a>> wrote:
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<p>How many hours? What oil are you running? I have had Perkins that sounded very similar and they ran forever...<br> Cecil<br></p>
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On 4/4/2020 5:24 PM, Ken Knierim wrote:
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Can you swap injectors and see if the noise follows the injector? Or crack the injector fitting while its running and see if you can narrow it down, like pulling a plug wire?
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Ken in AZ
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On Sat, Apr 4, 2020 at 2:53 PM Jason <
<a href="mailto:dejoodster@gmail.com" target="_blank" rel="noopener">dejoodster@gmail.com</a>> wrote:
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I would pull the injector on the bad cylinder at least and have the pump shop check it.
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Jason
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On Sat, Apr 4, 2020, 3:43 PM Dave Maynard <
<a href="mailto:dave@themaplehillfarm.com" target="_blank" rel="noopener">dave@themaplehillfarm.com</a>> wrote:
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I have listened with my stethoscope and it sounds like the rear of the engine, probably cylinder #5. My farmer neighbor listened with a long socket extension and he thinks it's more forward maybe #2 or #3.
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The pump was taken to D&W Diesel and tested and they say all is good with it. I dont know how to check pump timing, or what could make it change. And if so, why only one cylinder? All the pump cam lobes showed no wear and looked good.
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Still stumped.
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Dave Maynard
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On Sat, Apr 4, 2020, 3:52 PM Moe Fretz <
<a href="mailto:tubetester@gmail.com" target="_blank" rel="noopener">tubetester@gmail.com</a>> wrote:
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typical noisy Kubota diesel.
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Possibly injection pump timing.
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<br> $-------&
<br> Moe Fretz
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<br> L'Orignal
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On Sat, Apr 4, 2020 at 3:10 PM Dave Maynard <
<a href="mailto:dave@themaplehillfarm.com" target="_blank" rel="noopener">dave@themaplehillfarm.com</a>> wrote:
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Hi everyone, got my 1st non antique non red tractor this summer. Kubota 62 horse 4wd. Nice shape overall and a good price. However it makes a noise that seller said dealer told him it was a lifter adjustment, but it turns out not so. We have had this engine apart several times and cant find anything wrong, bearings are all good, no broken rings, out of spec bores, pistons all good.
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At odds trying to figure this out, and dont want to destroy this engine by running it too much. Just yesterday, replaced all the injectors and cups with new as the sound is like a bad injector, but to no avail, noise is still there. The engine is an F2803 5 cylinder which seems to be not as common as most.
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Does anyone know of any
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Reputable dealers for used engines?
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I have attached a link to video where you can hear the noise. Any and all suggestions and comments welcome.
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<p><a href="https://youtu.be/pMxOofbbJOA" target="_blank" rel="noopener">https://youtu.be/pMxOofbbJOA</a></p>
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Thanks guys,
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Dave Maynard
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The Maple Hill Farm
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Marion, NY
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