GQ fluids & oils
Submitted: Thursday, Feb 01, 2007 at 14:25
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Member - Barnesy (SA)
Gday, What gear oils do people use for their GQ's? Doing my 40 000km diff, gearbox and transfer case oil change for my December 91 4.2 diesel GQ. My workshop manuals state different oils for each diff, gearbox etc. Can anyone offer advice please. Changing the fluids in preparation for around Oz bush trip.
Recommended:
Front diff; SAE 80w-90 GL5 hypoid gear oil
Rear diff; SAE limited slip 80-w/90 GL5 hypoid
Gearbox; API GL4 or GL5 SAE 80 or 90w gear oil. but can use SAE 140 GL4 for high temp use or extended low range (i will be doing this)
Transfer case; dexron III (have been told this is too thin and to instead use VMX 75/85).
Appreciate any input into suitability of these oils.
What do people think of using the 140 in the gearbox? How about using that in the transfer case too?
Would the LSD diff oil be suitable for use in the front non-LSD diff too?
Whats the difference between GL4 and GL5?
Thanks
Barnesy