I have a 2005 Hyundai Tuscon MPFI 2.7L V6 4WD
Manual spec for Trasfer case oil is:
API GL-5 SAE 80W90 (Shell Spirax AX Equivalent). 0.8 Quart
that's all it says
Same spec also for Rear Axle ... btw, it says rear axle and not rear differential ??
I bought a quart of Valvoline 80W90 GL-5 High Performance ...
The back of the valvoline bottle says:
... For non-synchronized manual transmission when GL-4 is specified and for hypoid differential when GL-5 is specified ... Limited slip differential top-off only.
Came home and found out I had a little left-over from last time I changed the oil ... I think about 40K miles ago and may be 5-6 years ...
My last change was with:
Castrol Axle Limited Slip 80W-90 Gear Oil, 1 Quart
Recommended for service fill of all limited slip differentials in passenger cars and Light trucks calling for SAE 80W-90 and API Service GL-5 specifications
is the valvoline I bought this time more suitable than the limited slip castrol running in it for the past 40K miles? The car didn't blow up but which oil is more suitable?
I need to read Shell AX spec and see what it is.
Manual spec for Trasfer case oil is:
API GL-5 SAE 80W90 (Shell Spirax AX Equivalent). 0.8 Quart
that's all it says
Same spec also for Rear Axle ... btw, it says rear axle and not rear differential ??
I bought a quart of Valvoline 80W90 GL-5 High Performance ...
The back of the valvoline bottle says:
... For non-synchronized manual transmission when GL-4 is specified and for hypoid differential when GL-5 is specified ... Limited slip differential top-off only.
Came home and found out I had a little left-over from last time I changed the oil ... I think about 40K miles ago and may be 5-6 years ...
My last change was with:
Castrol Axle Limited Slip 80W-90 Gear Oil, 1 Quart
Recommended for service fill of all limited slip differentials in passenger cars and Light trucks calling for SAE 80W-90 and API Service GL-5 specifications
is the valvoline I bought this time more suitable than the limited slip castrol running in it for the past 40K miles? The car didn't blow up but which oil is more suitable?
I need to read Shell AX spec and see what it is.