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12-09-2020, 11:36 AM
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#1 |
 Drives: 08 Yaris 3dr Join Date: Oct 2018
Location: Sun Valley, NV
Posts: 34
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It looks like the dealership is using 10w40 because it can be used in slightly higher outside temperatures compared to 5w-30. Here is what I looked at.
https://www.motorstate.com/oilviscos...a%2030%20grade. I would recommend that you look at what the temperatures for the two, and see if you want to use 5w-30, like the handbook says, or 10w-40, what the dealership has been putting in. |
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