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Oil pressure issues on 570


 
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Miranda
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PostPosted: Sun Aug 09, 2020 6:59 am    Post subject: Oil pressure issues on 570 Reply to specific post Reply with quote

I have an old 570 that has started giving me problems. Its been running great for the past year. Now all of the sudden when I start it up and push down on the throttle oil starts shooting out of the dipstick area and the opening at the top where you add oil. I havent added any oil to where it would be over filled. Checked and its not water leaking into the oil from the radiator. Replaced the oil filter and the filter that goes on top of the pipe up top where you add oil. Drained all the old oil and started over with fresh oil. It ran great for about 10+ hours. I accidentally ran it out of deisel so went to town the next day and got more. After I gassed it back up and turned it on oil started shooting out everywhere again. Im at a loss.
 
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mEl
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PostPosted: Sun Aug 09, 2020 7:12 am    Post subject: Re: Oil pressure issues on 570 Reply to specific post Reply with quote

After sitting a while check the engine oil level before starting it, From your description I am wondering if the fuel may be leaking down into the pan over filling it and then the engine blowing it out from the crankcase being overfilled. The reason I say that is that it took 10 1/2 hours for the problem to re occur after the oil change as it would take time for the leak to refill the crankcase. That is where I would start.
 
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Miranda
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PostPosted: Sun Aug 09, 2020 7:31 am    Post subject: Re: Oil pressure issues on 570 Reply to specific post Reply with quote


Is there somewhere you would suggest I start looking at the fuel line for the leakage?
 
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kenbob
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PostPosted: Sun Aug 09, 2020 8:54 am    Post subject: Re: Oil pressure issues on 570 Reply to specific post Reply with quote

Don't know if gas leakdown is a common problem with tractors, but it seems to be on small engines. Gasohol wrecks something in some carbs and if you aren't aware of it,
the engine eats its pigs after any hard use.
 
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mEl
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PostPosted: Mon Aug 10, 2020 3:37 am    Post subject: Re: Oil pressure issues on 570 Reply to specific post Reply with quote

If you ran it ot of Diesel it may have gone into the pan from a bad injection pump shaft seal. If that much was going in through an injector it would hydrolock and not turn over. I doubt that you have a blockage anywhere if it runs ok when not blowing the oil out. Why don't you drain the oil and let it set a few days with something to catch whatever drips out after the oil has been drained for a while to see if fuel continues to come into the pan. I have seen several instances where a push rod gets out of place and the engine would gain a gallon in a long day from unburnt fuel going down by the rings but you should notice a miss if you have something like that going on. Do some testing and let us know what you find.
 
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