Thread: So 2017+ models CAN use GL-5 fluids in the tranny...
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Old 03-28-2019, 04:44 AM   #7
JIM THEO
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Last generation GL5 transmission fluids have additives that protect yellow parts of the gearbox thus even when manufacturers say only GL4 a GL5 oil can be used, for example Gear 300 IS GL5 but protects yellow gearbox parts that ask for <GL4
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