You are talking about a 1996 ISUZU HOMBRE 2.2L 4-cyl Engine Code 4
The rear axle fluid that is recommended is
Differential, Front .....GL-5[5][6]
All Temps......80W-90
Differential, Rear .....GL-5[7][8]
All Temps......80W-90
5. 80W-90 GL-5 is a synthetic lube; GM part no. 1052271.
6. Do not add limited slip additive.
7. 80W-90 GL-5 is a synthetic lube; GM part no. 1052271.
8. Do not add limited slip additive.
I recommend the following from Amsoil.
SAE 80W-90 Synthetic Gear Lube
Severe Gear 75W-90
SAE 75W-90 Synthetic Gear Lube
Hope This Helps.
To change the rear axle fluid you can remove the rear cover from the axle and drain it that way. If you don't want to remove the rear cover you can use a pump and a hose to drain it through the fill hole.
It's the oil/fluid that is in the rear drive axle (and front axle on 4x4).
synthetic gear oil
Axle grease is used for the axle bearings that support the axle shafts. Rear end fluid also known as gear oil which is used in the rear differential to lube the ring and pinion gears.
Remove rear axle cover, oil will drain out, reseal and install cover, fill fluid.Remove rear axle cover, oil will drain out, reseal and install cover, fill fluid.
When you see rear differential fluid on your rear brakes & assembly.
As long as its Not a yz model blaster.
The rear drive axle takes 5.5 (pts.) to fill.
What type of rear end do you have?
pull the plug on the bottom of the axle or remove the cover if there ins't a drain plug.
Fluid level too high, water in fluid, axle overheating.
Top of the rear axle.