I’ve decided to do a yearly drain and fill on my 2009 Mitsubishi Outlander transmission fluid instead of the flush every 2 years as suggested in the manual. The dealership flushed the fluid after the first two years so I’m sure most of the contaminants from break-in are out of the system and now it’s just a matter of keeping the fluid fresh and making sure it isn’t breaking down. Transmission fluid quality is important for all vehicles but what stresses it the most is high fluid temperatures which can be generated while towing or on loose surfaces like sand and to a lesser extent snow.
Amsoil doesn’t sell a transmission fluid that meets the specifications of the DiaQueen J2 fluid for this vehicle at this time. I appreciate that the company does not push consumers to a generic ATF product if it doesn’t meet the spec. Amsoil stands behind their lubricants with their warranty secure program so if the application guide suggests an Amsoil product for your vehicle you can use it with confidence.
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