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Thread: Gearbox and diff oil change

  1. #1
    Sunday Drivers
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    Gearbox and diff oil change

    Just wondering what is the recommended oil and what capacity it takes to do oil change on gearbox oil and diff oils - also is gearbox and diff oil the same ? For a 2004 wrx.

    Any advice appreciated thanks.

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    Full ISDC Club Member BazGF8's Avatar
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    3-3.5 litre for a gearbox change and 0.9-1 litre for rear diff.

    Oil for both is the same 75w90
    V4 Sti Wagon

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    DannysSTI (05-01-2018), Gary sti (05-01-2018), scoobysub (05-01-2018)

  4. #3
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    Quote Originally Posted by BazGF8 View Post
    3-3.5 litre for a gearbox change and 0.9-1 litre for rear diff.

    Oil for both is the same 75w90
    Cheers ! Appreciate it, any recommendations on what brand ? And where sells it the cheapest ?

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    Petrolheads
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    I was recommended motul, quite good stuff try opieoils.co.uk

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    Sorry to restart the thread but just curious is it an absolute must to use a torque wrench for this or can you semi gauge it using a normal ratchet ? Also what's the correct washer for gearbox and do you have to replace the washer for the rear diff too ?

    T.I.A

    Sent from my SM-G950F using Tapatalk

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