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Gearing up for all oil changes in my '99 GU RD28Ti in preparation for the cold
Just read the manual and see that the gearbox oil calls for 80W-90 GL-4 gear oil. I just realize that I bought GL-5 gear oil. Is this a problem or can I use the GL-5 in the transmission or do I need to go back and try to find GL-4? What is the difference between the 2?
Hi, I once put gl-5 in my gearbox and it made it very hard to change gears, apparently the gl-4 spec helps with the brass synchos in the patrol gearbox.
I use penrite pro gear 75-85 gl-4 and it shifts perfect. Works well under load as well. :)
http://www.penriteoil.com.au/product...d_products=375
Thanks mate. Penrite isn't an option over here in Siberia. Can probably find Shell, or Mobile or Castrol here. Will have to take it back and swap for the GL-4
castrol vmx-m
As above. Make sure you stick to the gl-4 spec oil.