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Gearbox oil

Discussion in 'Problems, Fixes, Tips...' started by AFR0N1, Nov 14, 2019.

  1. AFR0N1

    AFR0N1 Copenworld Regular

    Joined:
    Mar 22, 2018
    Location:
    Greater Manchester
    Car(s):
    Daihatsu Copen L880K (KMVZW)
    Owners manual says either GL3 or GL4 oil can be used and it should be 75w90 and 2.1-2.25L is required.
    Question is what is the best gearbox oil to use for the 659cc Copen?
    And
    Can GL4+ be used? (reason for asking is Castrol Syntrans Transaxle 75W-90 was recommended but it is GL4+ rated and the description says it is compatible with GL4 but I want to know for sure)
     
  2. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Pearlescent White Copen (1.3 K3-VE)
    You have already answered your own question. Use Castrol Syntrans Transaxle 75W-90.
    It is specified as GL4, the + is a marketing term used to indicate a higher amout of extreme pressure and anti wear additives.
     
    AFR0N1 likes this.
  3. AFR0N1

    AFR0N1 Copenworld Regular

    Joined:
    Mar 22, 2018
    Location:
    Greater Manchester
    Car(s):
    Daihatsu Copen L880K (KMVZW)
    Thanks
    I was wondering what that + was about
     
  4. welz

    welz Copenworld Regular

    Joined:
    Jun 8, 2015
    Location:
    Leverkusen, Germany
    Car(s):
    copen 2003
    AFR0N1 likes this.

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