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Tractor Talk Discussion Forum

jd 420 hydraulic fluid in engine oil

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Author 
Kendl

11-10-2007 04:43:44




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My JD 420w 3pt stopped lifting and I have hydraulic fluid raising the engine oil level, I am assuming it must be a seal leaking somewhere into the engine, but where is this happening?




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Kent Petersen

11-10-2007 05:10:02




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 Re: jd 420 hydraulic fluid in engine oil in reply to Kendl, 11-10-2007 04:43:44  
there is a o ring and back up washer in the pump housing the pump is mounted below the gen and in more to the center of front timing cover it is driven by the camshaft i just rebuilt my 420 pump last week put in new needel brgs, seal and backing washer packing rings a little under $50.00 for parts at JD dealer lol Kent



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