The only oil recommended, for Volvo manufactured transmissions is that whiari has quality GL-1. The teeth in the Volvo transmissions are so dimensioned that there is nojneed for any additives of sulphur or phosphor. The judgement being therefore that there is hardly any advantage in uajng these additives. For this reasDTiGL-4 and GL-5 oils are not recommended for Volvo manufactured transmissions. The seals in the Volvo transmissions are of a very high quality and normally withstand GL-5 oils. Also the steel/ molybdenum synchromesh does not appear to be par- ticularly sensitive to this oil.
Read the rest of this entry »