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960 Oil Pressure Specs are these numbers good? Rules out Oil Pump O-Rings? 900 1994

posted by  740TurboPerformance on  Sat Nov 19 14:47 CST 2005
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'94 Volvo 960 w/92,000 MI, dealer says these numbers are good and above Volvo specifications when I had an oil pressure test done a little while ago. So if these numbers are good does this rule out a potential Oil Pump O-Ring issue causing noisy lifters?

This is where the dealer states oil pressure is at . . . .

Cold Temp: 0.65MPa

Normal Temp: 0.45MPa



RE: The noisy lifters, yes I already have been running fully synthetic, have done a Valvoline/Pyroil Engine Oil Flush twice in attempt to try and free them, the noise has gotten better, before even when fully warmed up at idle you could hear the lifter noise.

Now you can only hear it after the engine isn't fully warmed up to temp. This is not just a light ticking I'm complaining about, it's a pretty loud ticking I want to fix. I have also been running Marvel Mystery Oil in the crankcase and added to the fuel in attempt to free any sticking lifters. I have also done the driving it at high RPM's in first for a few minutes.


Thanks in advance for any thoughts or information on this . . . .






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