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If you’ve walked around the inside of an RV that has not been stabilized, you could probably tell how much it can move. The greater the length, the more prone the trailer is to movement. There are several things than can be done to minimize the movement of your trailer, the most effective being the use of RV stabilizer jacks. Stabilizer jacks can offset structural weak points and keep the RV from rocking when used properly.

A main thing to keep in mind is that RV leveling jacks and stabilizing jacks are not interchangeable and are not meant to perform the same functions. Also remember that stabilizing jacks are not to be used to lift the trailer off the ground in any way. The RV should be leveled first before working on stabilizing. Leveling involves getting the RV trailer on even ground so it’s not sitting at a slant. Leveling needs to be done first so the trailer’s weight isn’t being taken on by the stabilizers. Stabilizing involves holding the RV in place once it’s situated so that it doesn’t move.

First you’ll want to get your RV in position, then use the stabilizer jacks to keep it there. Wheel chocks will help keep the RV from jerking around. If you are parked on softer ground, you’ll need to use blocks or jack pads under the stabilizer jack foot to keep it from sinking. Don’t use blocks or pads that are too large, as the jack’s integrity can be compromised. A stabilizer jack works at its best when they are not over or under extended. It should only be extended until it reaches the ground. It is usually best to work from front to back when extending stabilizer jacks. Remember to retract them first before leaving a campsite, before removing wheel chocks and retracting levelers.

There are a few different types of RV leveling jacks available, including electric and manual versions. The Stabi-Lite system from Equalizer is a set of two or four stabilizing jacks that can be extended automatically by pushing a button. It’s made for Class B and Class C motorhomes. The manual versions, particularly in scissor jack style, are found more often. They carry various weight ratings and come in sets of 2 or are sold individually. A separate hand crank is attached to the jack and is used to extend it. Also available are temporary jack pads that are simply placed underneath the jack foot to spread its weight across a larger surface area.

How to Keep Your RV Stabilized