manual transmission gear oil
What kind of gear oil does the H3's manual tranny use? The US part # is 89021806 (Canada - 89021807) but is it synchromesh? synthetic? or can you use any 75W90 gear oil?
Just wondering if there would any benefit (or harm) using a synthetic in the gearbox.
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2007 slate blue 5spd w/ adventure package. Still pretty much stock ... dammit
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