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04 /25/ 24, 3:25amLogin ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 123456[7]8910 ]
Subject: Re: Oil Pressure / fan cycling


Author:
Bob Dilks
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Date Posted: 02/ 11/ 03, 4:26am
In reply to: Terry 's message, "Oil Pressure / fan cycling" on 02/ 9/ 03, 4:53pm

Pressure will vary by engine, but hot idle should be about 15 psi although your dash gauge may show little or no pressure. Cold idle will be quite high, say 60 psi, because the oil is most viscous at lower temperature. Highway speed hot temperature should be about 50 psi, but here again your dash gauge may not show this reading. Have a capable service facility, preferably a Detroit Diesel dealer, take the hot idle and hot high revolution pressures with a mechanical pressure gauge for accurate readings and peace of mind.

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Replies:
[> Subject: Re: Oil Pressure / fan cycling


Author:
Dennis N
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Date Posted: 02/ 19/ 03, 6:29am

My identical 8V92 with 87k miles shows 15psi hot idle, 55psi at highway speed, according to the dash gauge.

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