Hello. This is not too difficult but you do need tools. You must remove one tire at a time to get to the wheel bearings which slide out. Then you clean off the old grease with a rag and regrease the bearing before you insert it back.
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RV wheel bearings should be repacked with grease once a year or every 10,000 to 12,000 miles, whichever comes first. If you travel frequently, this is a useful metric to go by, even if it means having your RV wheel bearings repacked a couple of times each year.
Check the grease level by pressing on the edge of the spring-loaded piston. If you can move or rock the piston, the hub has enough grease. Don`t add anymore. If the piston doesn`t move, you need to add more grease.
While it is possible to put too much grease in a trailer wheel bearing and over grease it, the bigger danger is putting too little. You`ll want to scoop grease by hand, instead of having it applied with a machine. This allows you to control the amount you need and to more easily apply it where you want it.
Proper lubrication is essential to the proper function and reliability of your trailer axle. Bearings should be lubricated every 12 months or 12,000 miles. You should repack your bearing cone by placing a small amount, roughly the size of a half-dollar, of grease into the palm of your hand.
Bottom Line: Best Wheel Bearing Grease
Any wheel-bearing grease with a GC-LB rating from the NLGI is likely to be of a high quality and work well for the majority of automotive applications. Based on our research, we think that Lucas, Mobil, Triax, Sta-Lube, and Valvoline all offer excellent options.
For most linear guide and drive applications, grease is the better lubrication option. It adheres to bearing surfaces better than oil, lasts longer, and is less likely to run off or be ejected from rotating parts.
Oil lubricant is generally used for high speed or high-temperature applications that require heat transfer away from working bearing surfaces. The oils consist of either natural mineral oil (with additives that prevent oxidation and rust) or synthetic oil.
Overgreasing by applying too much grease to a bearing at one time can result in a seal failure and generate heat in the bearing housing. When too much grease is pumped into a bearing cavity, it eventually will become full. If there is no relief port on the housing, the grease will blow through the seals.
If your bearings are not kept well-greased the increased friction will eventually cause your wheel to seize. If this happens while you are hauling, it will not only leave you stranded roadside, but it will also cost you a lot of money in trailer repairs.
If your bearings are not kept well-greased the increased friction will eventually cause your wheel to seize. If this happens while you are hauling, it will not only leave you stranded roadside, but it will also cost you a lot of money in trailer repairs.
Proper lubrication is essential to the proper function and reliability of your trailer axle. Bearings should be lubricated every 12 months or 12,000 miles. You should repack your bearing cone by placing a small amount, roughly the size of a half-dollar, of grease into the palm of your hand.