Quote:
Originally Posted by ecp
It was interesting that the issue went away after I changed the filter, and then has come back now that I have put the same type of filter I had on when I first installed the adapter. So I have gone through 3 spin on filters, the two NAPA gold ones that LN sells with the adapters have been problem ones, and then and STP gold equivalent I got at the store didn't give me oil light issues.
If you don't think its the filter then where would you recommend starting? I already installed a new spring along with the 997 part, and was looking at installing the new hex drive for the pump, along with new gears, but would probably want to do anything else while I'm in there.
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First place I would start in my shop would be to pull out the electronic oil pressure sender and temporarily install a known quality mechanical gauge to see what the pressure readings actually are when the phenomenon usually occurs (we have seen multiple examples of weak or failing sending units creating problems). If changing the filter brand still changes the oil pressure, the filter is the issue. Just as an aside, we do not use the NAPA gold filters, we buy our Wix XP filters (Wix XP filters are specifically designed for use with full synthetic oils) by the case and can say that we have never had any problems with them. Wix used to be the supplier for NAPA, but I do not know if that is still the case.