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What kind of oil are you using? .... S70 2000

posted by  TomL on  Sun May 4 11:48 CST 2008
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last visit: Sun Jul 25 18:24 CST 2010
[RELATED]

Ken,
Thanks for the reply.
I am using 10W30 standard "dino" oil. (shell) I understand that the pressure should drop as the temperature increases and the oil gets thinner, but it should never go below 10psi if that is the trip point for the sensor that turns on the light. I have a Volvo spec for oil pressure, 14psi at idle and 43 psi at 3000 RPM. This is from Volvo service information that I have on a CD.
The pressure stated are at idle but it does not increase at higher RPM, at least not enough to turn the light off. (>10 psi)
I think I located the pressure relief valve. It is at the top of the oil filter outlet, screwed into the casting from inside the oil pan. I have an old oil pan for reference. (a man-hole cover knocked a hole in my 850 pan 3 years ago)
I am going to remove the filter and plug it to see what happens.
Will let you know.
Tom
--
Tom 69-1800S, 72-1800ES, 96-850T,2000-S70 GLT-SE






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