- Joined
- May 14, 2023
- Messages
- 18
Picked up A V70 T5, and I want to change out the oil for something else. Previous owner used Castrol High miles, semi synthetic 10w-30. Change every 5k miles. But I was reading, and I’ll paraphrase since I can’t seem to find the post again. That apparently in Volvos, high mileage oil additives makes the seals expand and swell, and if you switch out to a oil that doesn’t have that same additives, it’s possible the seals that now were coated or expanded with from the high mileage formulation, will shrink back down and cause oil leaks.
I was going to run the Mobil 1 European 0w-40 every week or so and change it out as I read every good things about it protecting and cleaning your engine. And then after a few quick changes go back to normal oil change style. I’m just not a big fan of semi synthetic so I’d like to just fully go back to what I’m used to. I was previously going to run 5w-30 advanced full synthetic high miles mobile 1 as my engines always seemed to have lasted a lot and sound beautiful while on that oil. But this is my first Sweden or European car. So I’m just reading into it.
Any recommendations?
I was going to run the Mobil 1 European 0w-40 every week or so and change it out as I read every good things about it protecting and cleaning your engine. And then after a few quick changes go back to normal oil change style. I’m just not a big fan of semi synthetic so I’d like to just fully go back to what I’m used to. I was previously going to run 5w-30 advanced full synthetic high miles mobile 1 as my engines always seemed to have lasted a lot and sound beautiful while on that oil. But this is my first Sweden or European car. So I’m just reading into it.
Any recommendations?
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