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Subaru Outback Forum : “WHAT VISCOSITY OIL SHOULD I USE IN MY 2000 OUTBACK. IT HAS 135,000 MILES ON IT”
LOGANSLYLES63
07/19/2009, 10:38PM
About: 2000 Subaru Outback Base Wagon
WHAT VISCOSITY OIL SHOULD I USE IN MY 2000 OUTBACK. IT HAS 135,000 MILES ON IT
Tom940
07/20/2009, 4:24AM
use what ever the cars been using for the last 135,000. Definitly do not use anything thinner or synthetic. Old engine wear so thinner oil will increase the play in mechanical parts which MIGHT cause things to fail. So stick to what ever its been using

