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Tractor has 3 psi Oil pressure with SAE 30 Motor Oil #5430698 05/16/20 01:25 PM
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Vern_in_IL Offline OP
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Is there any additives or oil weight I need to change?

It's a 601 Ford Workmaster. 3 psi is kinda low, and we need to get the pressure up. probably worn crank or camshaft bearings, but Dad just parked it worried about throwing a rod....

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430705 05/16/20 01:44 PM
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blufeb95 Online Content
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I guess the best bet would be to drop the oil pan and check if any screens are clogged and inspect the condition of the oil pickup and make sure that it's not corroded through or you don't have a bad seal somewhere.

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430707 05/16/20 01:46 PM
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SubLGT Offline
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SAE 60 or 20w-60?

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430714 05/16/20 02:11 PM
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Chris142 Online Content
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Could the relief valve be stuck? Does the pressure come up if you rev it? A hot 30 is pretty thin. Try a 50 or 60 and stp.


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Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430717 05/16/20 02:13 PM
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ripcord Offline
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Throw a mechanical oil pressure test gauge on there to verify accuracy. If accurate, then there's no oil that will give normal oil pressure and you'll need to dig into it. What kind of pressure does it have cold?

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430735 05/16/20 02:39 PM
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Eddie Offline
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+1 Recheck oil pressure with another gauge before continuing. Ed


2014 CX5 Touring 2.5L :-)
Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430789 05/16/20 04:15 PM
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kstanf150 Online Content
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Sounds like a good excuse to pour in a quart of Kreen and clean it out !

Last edited by kstanf150; 05/16/20 04:15 PM.
Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430820 05/16/20 05:22 PM
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ripcord Offline
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It's possible that Vern_in_IL has a stuck pressure relief valve in the oil pump (unlikely), but other than that, adding solvents to the oil is only going to reduce his oil pressure.

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430833 05/16/20 05:51 PM
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kstanf150 Online Content
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That’s why you drain out the old and replace with a thicker oil when you use Kreen

That’s oil change 101

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430838 05/16/20 06:08 PM
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demarpaint Offline
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Add me to the list of check the oil pressure with a good mechanical oil pressure gauge first. I'd do that before dropping the oil pan or messing with "thicker" oil or additives.


God Bless Our Troops

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: demarpaint] #5430849 05/16/20 06:27 PM
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kstanf150 Online Content
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Originally Posted by demarpaint
Add me to the list of check the oil pressure with a good mechanical oil pressure gauge first. I'd do that before dropping the oil pan or messing with "thicker" oil or additives.



Good point
Worth a chance before doing anything else

OP is the oil pressure gauge original ?

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430900 05/16/20 07:25 PM
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Mainia Offline
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Pump the foot feed!!!!! laugh


2018 Lowered Hyundai Kona AWD 1.6T
2014 Toyota Rav4 AWD
2005 Honda Civic
Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430953 05/16/20 08:51 PM
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The bottom plate on the Farmall C oil pump warped allowing oil from the pump to flow back into the pan. tested quage against calibrator at work, was dead on so pulled pan. Also plastiguaged rods and mains which were fine. Also checked the rocker arms for lack of lube due to the lack of pressure but were find. Ground the plate to flat on a belt sander.


77 Chev stepside 454 Casteroil syn
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Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: Vern_in_IL] #5430962 05/16/20 09:04 PM
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kstanf150 Online Content
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Are you telling a personal story or trying to help OP


I’m confused

Re: Tractor has 3 psi Oil pressure with SAE 30 Motor Oil [Re: kstanf150] #5431841 05/17/20 08:29 PM
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Dinoburner Offline
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Originally Posted by kstanf150
Are you telling a personal story or trying to help OP


I’m confused

yes


77 Chev stepside 454 Casteroil syn
95 GMC 4wd mobil syn
2016 Equinox LTZ V6 dealer
Kubota L5030 T6
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