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Thread: Went for an oil change, 5w20 was put in instead of 0w20

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    Jr Member ptgrad2012's Avatar
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    Default Went for an oil change, 5w20 was put in instead of 0w20

    Hi all,

    Took the car in for an oil change for 2012 Mazda 3 GX non-sky.
    Check the receipt the next day found out 5w20 was put in.
    Should I be concerned, and would there be any immediate risk of any damage?

    thanks

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    Jr Member G ~ MINI's Avatar
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    Default Re: Went for an oil change, 5w20 was put in instead of 0w20

    No ///the thicker oil is better for the winter
    Besides ...as your engines adds on the miles and there is more wear in the cylinder rings
    the gage increases to were a slighter thicker oil here keep compression,
    Worst case the 5w is thicker and not as slippy as the 0W
    What does the dealership say ... are they aware?

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    Jr Member ptgrad2012's Avatar
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    Default Re: Went for an oil change, 5w20 was put in instead of 0w20

    Quote Originally Posted by G ~ MINI View Post
    No ///the thicker oil is better for the winter
    Besides ...as your engines adds on the miles and there is more wear in the cylinder rings
    the gage increases to were a slighter thicker oil here keep compression,
    Worst case the 5w is thicker and not as slippy as the 0W
    What does the dealership say ... are they aware?
    yeah, brought it back, got drained and filled it back with 0w

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    Jr Member Flunk's Avatar
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    Default Re: Went for an oil change, 5w20 was put in instead of 0w20

    The 2010-2011 Mazda 3 GX, with exactly the same engine and transmission was rated for 5W20. That's probably why they made the mistake. Wouldn't have made a difference.

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    G ~ MINI (12-16-2021)

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