Oil for Rear Diff in 2004 wrx?
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This is a discussion on Oil for Rear Diff in 2004 wrx? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hi I've got a 2004 wrx and I'm about to get the transmission and rear diff oil changed. I've already ...

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    Oil for Rear Diff in 2004 wrx?

    Hi I've got a 2004 wrx and I'm about to get the transmission and rear diff oil changed. I've already got 5 qts of Subaru Extra S off Fredbeans for the gearbox but I was wondering what oil I should put in the rear diff?

    Would Mobil 1 or Valvoline 75w90 be ok?
    What about using the Extra S in the rear diff - does anyone use that?

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    Registered User wrx wagone's Avatar
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    Quote Originally Posted by Mickey_t View Post
    Would Mobil 1 or Valvoline 75w90 be ok?
    What about using the Extra S in the rear diff - does anyone use that?
    Yup.
    This message printed on 100% recycled electrons.

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    Thanks wrx_wagone, do you mean yes to both questions?

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    Registered User wrx wagone's Avatar
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    Quote Originally Posted by Mickey_t View Post
    Thanks wrx_wagone, do you mean yes to both questions?
    Yup.
    This message printed on 100% recycled electrons.

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    Registered User rubix777's Avatar
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    I put Valvoline 75w90 in both my front trans and rear diff--it works fine.

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    Moderator Donkey's Avatar
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    Same goes in both. Pretty sure the stickies /\ cover that. Should say in the owners manual as well.
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