OK to swap 75w-90 for 90w?
01-20-2013, 12:25 PM
#1
OK to swap 75w-90 for 90w?
I'm going to use Mobil 1 Synthetic Gear Lubricant LS 75W-90 for the manual transmission and transfer case, both of which call for:
Multipurpose gear oil API GL-3, GL-4 or GL-5 SAE 75w-90
For the front and rear diff's, they call for: Hypoid gear oil API GL-5 SAE 90.
It's a little hard to find the single viscosity gear oil (not impossible) so I was going to use the same Mobil 1 that I'm using in the tranny, which I'm getting a great deal on. From what I see on the Mobil web site it looks like I'll be fine since it's API GL-5 and the viscosity of 90w is within spec.
Sound OK?
Multipurpose gear oil API GL-3, GL-4 or GL-5 SAE 75w-90
For the front and rear diff's, they call for: Hypoid gear oil API GL-5 SAE 90.
It's a little hard to find the single viscosity gear oil (not impossible) so I was going to use the same Mobil 1 that I'm using in the tranny, which I'm getting a great deal on. From what I see on the Mobil web site it looks like I'll be fine since it's API GL-5 and the viscosity of 90w is within spec.
Sound OK?
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