Quote:
Originally Posted by leathermang
I thought that one bar was the lower limit suggested...
but my question is why don't you put a new oil pump on it... since you see it very low at higher oil temperature..
OR at least check to see if the oil pressure valve on the back of the pump is working correctly...also the thermodynamic bypass at the filter ?
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Just some random thoughts:
The easiest way to raise the hot idle oil pressure is to use oil with a higher viscosity (the member did not say what oil he was using).
Installing a new oil pump may or may not help. If your oil pressure is low due to worn bearings a new oil pump might not make much differance (higher viscosity oil would help here).
At idle I do not think the oil pressure relief valve in the oil pump is doing much as the pressure is too low to move it.
I also do not think that the dash board oil pressure guage is very accurate. If I had 0.5 bar or less at idle I would be hooking up a test guage to be sure what the oil pressure really was. If nothing else for peace of mind.