I have drained the oil from two of my geared hubs and they contained about 6 oz. each and seemed to be diluted with diesel. (A lot of leakage? seemed to be visible on both hubs and inner wheels.) I was told that the breather tube is a flaw and should be cut high and capped to avoid drawing diesel into the hubs, unless one wants to drive in deep water. After draining, I poured 32 oz. of 80/90 gear oil into each hub. Any comments? Is 32oz a good amount? Thanks!!!
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Geared Hub Oil Change
- Thread starter captcarc
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The geared hubs have a fill hole in the middle of the access plate on the side. Fill until it's right to that hole or dribbling out of it.
Oops. I filled it from the large threaded plug removed to access the half-shaft bolt. I filled it to the bottom of that hole. Perhaps that's way too much oil!
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I think so. 32oz is a quart, they're supposed to be filled with half that if I am remembering correctly. I know one gallon of gear oil filled all 4 and still have about half of it left.
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Just have a large drip pan ready underneath and pull the side plug. When it slows down or stops pouring out fluid, put the plug back in and call it good.
SMART! I was going to drain it all and start over. NOT SMART!
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..............and as DH would ask, what does the TM direct one to?
Which/ What TM are you using?
Which/ What TM are you using?
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so much for reviewing the maint TM’s...
if there is diesel in the hubs, you fuel pump is bad. Better drain your diffs, Tcase and trans while you’re at it.