I was polishing my front wheels today and I realize that my front axle hub cap oil was low, but I didn't know what kind of fluid it uses, so I went to a auto part store and the guy told me to get the LUCAS gear oil 85w-140, but the guy wasn't sure. So can any driver tell me what is the right oil to put in? Thanks!
MedicineMan?
Pete 379X?
you guys around?
Hub cap
Discussion in 'Ask An Owner Operator' started by M603, Apr 18, 2008.
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Just saw once on the road driver put in trailer hub regular engine oil,but probably it was in case of emergency.
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80-90 or 85-140 is for the hubs, can even be used in your rears
engine oil (15-40) is just that....engine oil
85-140/80-90 are gear oils with the right viscosity for the enviroment they are designed for (gears....not a high heat enviroment) -
Gear lubricant is what is generally used in hubs and in rear ends and power dividers. 85W-140 or 80-90, is pretty thick stuff. You should check for leaks. If the fluid is low, there is usually a reason. If the fluid contaminates the brakes, as from a leaky inner seal, it is an out of service problem that needs to be fixed immediately and the brakes are usually replaced to be sure there is no contamination.
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Besides the O.O.S. risk, having a wheel seal or bearing go out on a steer axle may be harmful for your health...
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Most of your major truckstops sell Lucas Hub Oil. Just by a bottle of it and add to your hubs. But a previously mentioned you should check for leaks and might consider replacing the outter hub seal(the one you remove to refill the hub) they can just wear out after time and are fairly cheap.
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I have been known to add STP to a leaking hub.
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