Different viscosity oil for Forester?

Discussion in 'Subaru Forester' started by ralittle2, Jul 9, 2019.

  1. ralittle2

    ralittle2

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    My son has a 2012 Forester with the 4 banger. He has about 93k on the motor, but the bottom end was just replaced due to the oil consumption issue. My father-in-law has a similar Forester which has also had the same "fix" but reports the oil consumption continues. I realize this isn't exactly news, so my question is what viscosity oil might be worth switching to to decrease the oil consumption? TIA
     
    ralittle2, Jul 9, 2019
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  2. ralittle2

    daddydog

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    I would not recommend switching viscosity.
    The reason they are using a lower viscosity oil on cars today is because the tolerance's are much tighter.
    When the oil heats to operating temperature, the viscosity gets thicker and cannot get between the parts and lubricate properly.
    You could actually do more damage and void your warranty.
    I would recommend sticking to the manufacturer recommended viscosity.
    I would only consider changing if Subaru actually recommends it
     
    daddydog, Aug 28, 2019
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