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Which Transmission Oil?

This topic contains 3 replies, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 7 months ago.

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    Topic
  • #987095
    Fred Sable
    Fred Sable
    Participant

    I have a 2003 Toyota corolla with a c50 manual transmission, and I can’t figure out which fluid to buy. I know it has to be 75w-90 and meets gl-4 or gl-5 api requirements. Researching a bit, I found that apparently some gl-5 fluids caused synchro wear. Do you know of a certain transmission fluid which is certainly suitable for the Toyota c50 transmission?

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  • #987097
    Nightflyr *
    Richard Kirshy
    Participant

    Your requirement is according to the owners manual:
    MANUAL TRANSAXLE
    Oil capacity, L (qt., Imp. qt.):
    1.9 (2.0, 1.7)
    Oil type:
    Gear oil API GL−4 or GL−5
    GL-5 is fine if it states that it’s yellow metal safe. A lot of GL-5 is not yellow metal safe and will ruin the synchros over time. GL-4 is most commonly used and is safe

    #987099
    Fred Sable
    Fred Sable
    Participant

    So would Valvoline Maxlife gl-4 75w-90 be a good pick?

    • This reply was modified 7 months ago by Fred Sable Fred Sable.
    #987104
    Nightflyr *
    Richard Kirshy
    Participant

    No reason it shouldn’t.

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