I've done a diff oil change on an auto gu Patrol Y61 2012. I've used Pro Gear full synthetic GL-5 75w85 on both front and rear diffs and only just realised that I may have used the wrong oils.
Is it okay to use this or should I change it? Also if I need to change it do I need to flush the diffs a
nd if so, how?
Thanks
Hi Burhaan
Does you're Patrol have the 4.8L petrol TB48DE engine, or the 3.0TD ZD30DDTi engine?
Cheers
Costa
Penrite
Hey Costa.
Its the 3.0TD ZD30DDTi (CRD) with a factory rear locker (not LSD)
Hi Burhaan
Nissan only allow for a 80W90 oil in both the front and the rear diffs of the Patrol (Y61) GU-IV 4x4, ZD30 DOHC Turbo Diesel, Auto (2007-2016), so a 75W85 is not acceptable to them. A 80w90 grade oil is thicker than a 75W85 grade oil, for instance, our PRO GEAR GL-5 75W-85 (Full Syn) has a typical viscosity of 74cSt at 40°C, as compared to our GEAR OIL 80W-90 (Mineral) which at the same temperature, has a typical value of 152cSt .
Given this the use of ProGear GL5 does not seem like a good match for this model especially eg, under heavier loads that may be encountered during off roading or towing.
Cheers
Costa
Penrite
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