my oil pressure keeps going down when my engine heats up it only goes above 40 then when it warms up it goes all the way to zero? on my 1998 gmc jimmmy 4x4 sle vortec engine 6cyl 4.3

Asked by jlw1794 Apr 05, 2015 at 03:34 PM about the 1998 GMC Jimmy 4 Dr SLE 4WD SUV

Question type: Maintenance & Repair

I have changed the water pump ,oil,plugs and plug wires,starter,and head gaskets all my gaskets on the motor so it was making a bad knocking noise now its quite but still knocks a little and when you start it it seems the oil pressure goes down as the motor heats up?

jlw1794 answered 9 years ago

Thank you Js08016 is it worth fixing the bearings? or should I just junk it?

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my oil pressure keeps going down when my engine heats up it only goes above 40 then when it warms up it goes all the way to zero? on my 1998 gmc jimmmy 4x4 sle vortec engine 6cyl 4.3

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my oil pressure keeps going down when my engine heats up it only goes above 40 then when it warms up it goes all the way to zero? on my 1998 gmc jimmmy 4x4 sle vortec engine 6cyl 4.3

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