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Farmall & IHC Tractors Discussion Forum
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Help H lost oil pressure

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Glen.. S E, Ne

11-25-2003 18:35:23




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45 "H" working tractor Has got about 10 lbs pressure. Changed oil gauges , Blowed line out from gauge to pan, can hear it go thru into the pan. I replaced pump today and it still has same pressure. Cant find any lose bearings, no strange noises. Appreciate any Ideas on what could be problem. Thanks In advance.




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Jim J

11-25-2003 22:19:04




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 Re: Help H lost oil pressure in reply to Glen.. S E, Ne, 11-25-2003 18:35:23  
Did you check the oil filter?



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justin

11-25-2003 18:41:33




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 Re: Help H lost oil pressure in reply to Glen.. S E, Ne, 11-25-2003 18:35:23  
did you plastiguage the bearings?? this is the only true way to find a clearance problem other than removing the crankshaft.. You may also have a problem with the cam bearings (generally not a problem), or both pumps may have issues. One thing to check is the oil pump regulating valve & spring. a faulty one will cause a low oil pressure problem (had this on a freshly overhauled cub until valve & spring were replaced). Another thing to closely examine is the oil pump pickup, as it may be plugged or may have other issues..

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