I have no clue what I am looking at here. If I post this current SDS on the Mobil 1 Truck and SUV oil, would someone that knows what they are reading tell me if there is evidence of PAO or Esters being used in it? file:///C:/Users/J_E_G/AppData/Local/Temp/MicrosoftEdgeDownloads/14feea2e-40f4-4bb6-af97-18d6b94b69f6/SK4sSSlmZk6BjKPWigxnYg.PDF Didn't work, sorry.