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30/09/2022 10:20 am
Topic starter
I have a 2018 Tundra with 45k miles. I have a few quarts left of Mobile1 0W-20 GF5 oil but not enough for a full oil change. The new case of Mobile1 0W-20 oil i bought is GF6. Is it ok to use both the GF5 and GF6 in my next oil change?
2 Answers
3
30/09/2022 12:32 pm
What GL rating does your owner's manual call for? That's where I'd look for the information.
3
30/09/2022 3:01 pm
That depends on what the owner's manual says the manufacturer specifies for your vehicle.
- If it needs GF-6 then use GF-6.
- If it calls for GF-5, then you can use (or mix) GF-5 or GF-6, since GF-6 is fully backwards compatible.
