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Farmall & IHC Tractors Discussion Forum
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Low Farmall B Oil Pressure

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Leon W

09-27-2005 07:55:24




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My 41 B runs great, starts great but the oil pressure is very low. (runs in the RED on the guage) I run a straight 30W oil. I have been told this is not a problem...they will run forever that way, but I want some other opinions because I really think I should go in and either repair/rebuild the pump or replace it completely. I appreciate any and all input on this.




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old

09-27-2005 08:51:16




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 Re: Low Farmall B Oil Pressure in reply to Leon W, 09-27-2005 07:55:24  
First thing I'd do would be to change the gauge to make sure its not the problem. Then if its still low go in to the engine.



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El Toro

09-27-2005 08:29:09




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 Re: Low Farmall B Oil Pressure in reply to Leon W, 09-27-2005 07:55:24  
Worn bearings are a big reason for low oil pressure. Check for wear using plasti-gage when you pull the pan. Hal



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Bob

09-27-2005 10:59:41




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 Re: Low Farmall B Oil Pressure in reply to El Toro, 09-27-2005 08:29:09  
On these engines, before condemning the bearings as the cause of low oil pressure, check the oil pump. If the bottom plate is warped, or the gasket is pushed out, oil pressure will be low.



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captaink

09-27-2005 07:59:12




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 Re: Low Farmall B Oil Pressure in reply to Leon W, 09-27-2005 07:55:24  
I would check to verify that the guage is accurate before tearing into it. If it is, pull the pan and check the oil pump to make sure that the plate on the bottom is flat and the gasket is not blown out. After that it's bearings, etc. Low oil pressure is not desirable, I'd check into the reason why and correct it. My 2 cents...



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