Stabilizer Jacks - Will Not Stay Stable

[Riverbug]

Thank you all for the great information! Hadn't thought of the slide raising the jacks on the opposite side once I put it out so I'll have to check for that. I also have not been using anything under the jack feet so maybe a chunk of timber or something would help, and not extending them so far. Will also look into x-chocks or other stabilizers to see what I think about that. I like the idea of a separate jack to put under the step too. And it does drive me crazy that the shades shake (as GregTheLeg mentioned) as well as a wire or something inside the wall by the thermostat. I need to pull the thermostat and see what the heck that noise is all about!

[Fsalmy]

Thank you all for the great information! Hadn't thought of the slide raising the jacks on the opposite side once I put it out so I'll have to check for that. I also have not been using anything under the jack feet so maybe a chunk of timber or something would help, and not extending them so far. Will also look into x-chocks or other stabilizers to see what I think about that. I like the idea of a separate jack to put under the step too. And it does drive me crazy that the shades shake (as GregTheLeg mentioned) as well as a wire or something inside the wall by the thermostat. I need to pull the thermostat and see what the heck that noise is all about!

Two of the electric motors on the stabilizer jacks on our 312BH TT went bad and were replaced under warranty. The affected stabilizers would not hold the position once tightened. The dealer also added additional lag bolts from the stabilizer frames into the trailer frame to eliminate some clunking noises when walking around the trailer. We always used blocks under the stabilizer feet to spread the force and reduce the amount of extension needed. Still had trailer shake, especially when the kids got in our out of the beds in the bunk house. Used combination of X-chocks and the Valterra stabilizer https://www.valterra.com/product/rv-...iversal-boxed/ to reduce (but not eliminate) the wobble.

[Mobile Mesa]

Two of the electric motors on the stabilizer jacks on our 312BH TT went bad and were replaced under warranty. The affected stabilizers would not hold the position once tightened. The dealer also added additional lag bolts from the stabilizer frames into the trailer frame to eliminate some clunking noises when walking around the trailer. We always used blocks under the stabilizer feet to spread the force and reduce the amount of extension needed. Still had trailer shake, especially when the kids got in our out of the beds in the bunk house. Used combination of X-chocks and the Valterra stabilizer https://www.valterra.com/product/rv-...iversal-boxed/ to reduce (but not eliminate) the wobble.

With regard to the stabilizers, I am very thankful for knowledge I received from a mobile technician. He advised that the trailer will be less stable the more the stabilizers are extended. As mentioned by a previous reply, the closer the stabilizer footing is to the trailer frame, the more stable the trailer will be. This can be accomplished by “reasonable” use of any number of solid, block-like materials (manufactured or safely improvised) that can serve in bringing the foundation closer to the trailer, rather than fully extending the stabilizers to the point that they’re noticeably wobbly.

Examine the individual stabilizers minimal connection to the frame (a few screws) and it’s clear that they’re really not intended to support much weight, particularly when significantly extended, so that’s what greatly contributes to the shaking and instability (imagine an elephant with the legs of a flamingo). 😆

[schlepprock250]

Haven't added them to our new Reflection yet, but our last TT was 38' long and I added two manual scissor jacks to the frame in the center forward of the axles. It helped greatly with stability.

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[Timmer]

Things move after you initially arrive. The next morning after arrival we always hit the jacks one more time and that seems to work well.