High Oil Pressure

  • It seems my oil pressure is higher then I thought it should be.
    Is there a normal range the oil pressure should be within for a 2.5L?

  • Does it seem higher since the colder weather? if that's the case then its probably just because the oil is thicker when its cold out and when it warms up, then its at a more normal reading.

    1999 Grand Cherokee WJ 3" lift JK Moabs 31" tire
    1993 Grand Cherokee 7" Long Arm, Badgeless, SOLD
    1981 CJ-7 4" Lift, 31" MTR's, Pretty Blue

  • It's been sitting around 60 for quite awhile now, not just when it was cold. Is that too high? Any way to lower it?

  • I believe my oil pump mat be on it's last leg. :doh:


    My oil pressure is around 40 at 2500 rpm but drops to 20 at idle

  • Check the oil viscosity. Did it start running higher after the last oil change? Some run thicker stuff in the summer. Your owner's manual will tell you what to run.


    If you want to lower it you can run lower viscosity (lower numbers) oil, but you may be messing with the warranty. Also, sometimes $ynthetisc can lower pressure too..



    kevin

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