no oil pressure after warms up - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 10-21-2011, 10:12 PM Thread Starter
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no oil pressure after warms up

i have a 1994 idi turbo 7.3 when i crank it up it has oil pressure but get about mile down road and stop oil pressure drops to zero any ideas thanks
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post #2 of 3 (permalink) Old 10-22-2011, 11:59 AM
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i would start by removing the oil sending unit,then the nipple extension that comes out of the engine block,the extension nipple has a habit of getting stopped up or restricted somewhat,atleast i hope you have only a small problem,good luck,also i would replace sending unit.
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post #3 of 3 (permalink) Old 10-22-2011, 05:47 PM Thread Starter
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yeah that was the first thing i did but ill check the other too some one told me the spring in the oil cooler cap might have gottin weak u can put it in neutral and idle it up and the pressure goes back up like the oil pumps weak or something
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