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Low oil pressure, engine rattle at startup 200 1984

posted by  Lord Volvo on  Thu Oct 1 03:25 CST 2009
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last visit: Sat Oct 4 15:55 CST 2014
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When I start my 240, the oil pressure light stays on and the gauge reads no or less than 1 bar of pressure, and a rattle from the engine is heard. This last anywhere from one to three seconds, upon which the rattle stops and the pressure increases to normal. The pressure is strong otherwise, including at idle.

I've heard that using an inferior oil filter causes this because of a poor or no flow-back valve, but I use Mann filters and I assume that they have this valve.

I use 10w-30 oil as recommended by the owners manual. I try to use a synthetic blend.

Is this anything to worry about? I know that one second of this is regarded as the norm, but waiting for three seconds for the pressure to go up seems like an eternity. Am I due for a new oil pump?

Or should I just chill out? :)
--
Mike F - 1984 244 DL - 285,000 miles
Original engine, transmission, drive train, starter
Undergoing reconstructive surgery with POR-15






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New Low oil pressure, engine rattle at startup [200][1984]
posted by  Lord Volvo subscriber  on Thu Oct 1 03:25 CST 2009 >


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