If your filter continues to be utilised previous the 30,000 miles selection, then yes, you must adjust it. You should also improve it when you occur to notice any from the talked about symptoms. Verify-in using your mechanic If you're Doubtful. A: Use the identical variety of gear oil suggested https://hectorqbhln.goabroadblog.com/33178393/the-2-minute-rule-for-filter-gearbox