I'm going to change the gearbox oil on my 1.4 TDI (75).
As far as I read, the right choice is GL-4 75W90 and it seems that the original oil is the best choice. But It is not clear whether it is synthetic or not. Is not that important?
Or maybe there is a better option for gearbox oil?
As far as I read, the right choice is GL-4 75W90 and it seems that the original oil is the best choice. But It is not clear whether it is synthetic or not. Is not that important?
Or maybe there is a better option for gearbox oil?
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