Jim,
My '99 Ranger Scheduled Maintenance Guide calls for rear axle
lube change every 3,000 miles under heavy load unless it has
75W-140 synthetic lube, then you don't have to change it -- ever.
Bryan
Jim Waldron wrote:
> Dimly related only because it's the vehicle I will use as a tow vehicle.
>
> 93 Ford Ranger 4x4 pickup. The pinion bearings went out so I just purchased
>a salvage back axle and put it in. Put it gear lube and went for a 2 hour
>test drive (mostly highway). When I got home I put my hand on the
>differential. It was hot, almost to the uncomfortable point. I've worked on
>a at least a couple of these in my life, but I'd have to say that I've never
>felt one after driving for awhile (amazing the holes I find in my knowledge).
>Any opinions - is this normal?
>
> Thanks,
> Jim.
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