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Many RV parts and accessories or components require routine inspections or RV care servicing before embarking on a great vacation adventure. A wheel bearing failure is one of the leading causes of RV roadside repairs. Not only it is an inconvenience but it can cause a very serious situation that can cause an accident, serious injury or even death. To determine if there are compatible axle hubs and bearings to replace your current hubs to a more standard size, you will have to take several precise measurements on the spindle of your axle. Experts suggest to use a set of dial calipers to obtain these measurements. When you're purchasing a trailer hub assembly on a trailer supply or trailer parts superstore, there are some important information to know in order to make the correct selection. Wheel hubs vary in dimensions based on the size of the trailer wheels and the bearing load. As for wheel bearings, you just simply replace them if they are in bad shape.
Before you buy in a RV parts store, you should:
Once you have your wheel hub assembly with the correct specifications, it's time to install or have a pro install your bearings. You will need to measure the seal, inner bearing, and outer bearing. When repacking bearings, they should always be cleaned with a proper bearing cleaner and wiped dry, then thoroughly inspected by looking for rough spots or pitting on the surfaces and for signs of overheating and wear. When cleaned, they should spin freely and have no rough spots. In most cases, an RV or motorhome is parked in the off-season. Without proper scheduled RV maintenance, condensation can be a factor. Rust can form inside the bearing assembly, and when travelling the rust will start to scratch the bearing roller surface, which will cause excess friction and heat.
This will eventually lead to fatigue, disintegration of the wheel bearing and welding of the center of the bearing to the spindle. The axle and brake assembly also will be destroyed in many cases. Even if you are not a pro doing this kind of stuff, a great tip is to always carry a complete wheel bearing kit or spare with all the parts and tools required to do a roadside repair. That way you have the parts readily available for a qualified technician anytime and anywhere to get you safely back on the road. And if you are confident, you can do the wheel bearing repack yourself.
Needing a separate braking system installed for the trailer may come as a surprise for novices who are towing a trailer for the first time. Yes, the RV will indeed have a braking system of its own, but when you’re towing a trailer behind it, it’s recommended that you install another braking system on that trailer. This will ensure that the towed vehicle will brake accordingly and in conjunction with your RV, saving them from being damaged unnecessarily.
There are basically two kinds of braking systems – the ones that can be permanently installed on the towed vehicle, or those that are portable and can be installed and removed as required. The permanent ones will need to be installed by a professional, but after that, you can easily hook up your RV to the towed vehicle in just a few minutes.
These are also called supplementary braking systems, and if you’re planning to tow anything with your RV, it is absolutely essential that you install one on the vehicle to be towed before going anywhere. The most important reasons for installing a supplemental braking system will be safety, minimizing stress on both your RV and the towed vehicle, and maintenance.
Let’s talk about safety reasons first. It’s actually pretty straightforward: using a separate braking system on the towed vehicle allows you to enjoy a more controlled driving and towing experience. More control over the towed vehicle means you’re reducing the danger of having thousands of pounds at your back going astray or not stopping when your RV stops.
Installing a supplementary braking system also puts less stress on the RV and the towed vehicle. Keep in mind that even though your RV can tow 5,000 to 10,000 lbs. of vehicle, it’s not really designed for stopping anything behind it that weighs that much. Some may insist that their motor home’s braking power is much more than the weigh