Which Gearbox oil viscosity?

Discussion in 'Transmission' started by Rustbuster, Oct 9, 2020.

  1. Rustbuster

    Rustbuster Paid Member Paid Member

    Hi Volks,
    In the past I’ve always used VW genuine gearbox oil in my 020’s but it is pricey and I want to start dropping and replacing the oil more frequently from now on. Main question is, there’s no viscosity labelled on the genuine stuff so not too sure what I should be looking at as a good if not better replacement?
    Thanks.
     
  2. rubjonny

    rubjonny Administrator Staff Member Admin

  3. costel1969

    costel1969 Paid Member Paid Member

    75W-90 GL-4 is what it takes unless I'm mistaken - you shouldn't really need to change it that frequently, what's your reasoning for wanting more frequent changes?
     
  4. Hotgolf

    Hotgolf Paid Member Paid Member

    Frequent changes are good
    The old green Haynes recommends a straight ep80 too. Either work well from experience.
     

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  5. Rustbuster

    Rustbuster Paid Member Paid Member

    Thanks guys. Reason for more frequent changes is that I changed my oil about 4000m ago. I’ve just put in a new clutch and drained the same oil at that time and it was black again. Removing the end cap there was crud in there and I just thought an increase in frequency will help flush that all out from elsewhere in the box too. That’s it really. And thanks Johnny that is a v.reasonable price. My dealer has priced it at almost £20/litre. That was G005 000. Dunno what the difference is apart from a tenner a litre?
     
  6. rubjonny

    rubjonny Administrator Staff Member Admin

    G005000 is listed for the 084 box, the part number I posted is for 020 and 02a :)
     
  7. Rustbuster

    Rustbuster Paid Member Paid Member

    Thanks Johnny, I’ve already ordered 2 of the one you suggested.
     
  8. costel1969

    costel1969 Paid Member Paid Member

    Holy smoke that's some amount of crud - looks like that's another job added to my "to-do" list
     

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