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Reducing Movement in a 5th Wheel Trailer While Parked  

Question:

I have a 2016 33ck phoenix 5 th wheel. I have complained about all the movement in the tlr since I bought new. Everybody from shasra and your company says its,normal, well I dont accept that at all. Ive tried everything I can to get to quit moving. Know I see the new tlr s coming out with the extra jacks.this is not not my first 5th wheel, and never had all this problem . My question to you is can yous do something about this problem. Ive have spent a lot of money trying to solve this

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Expert Reply:

Movement is normal when it isn't controlled. But when stabilization products are used then the movement can be reduced if not eliminated. You mentioned that you have tried things to correct this problem but did not mention what those things were so some of my recommendations may be something you have already tried.

First we have to determine the nature of the movement. Is it side to side, front to back, or both? The front to back movement can result from slight movement at the trailer wheels. Using a product such as the Super Grip chock wheel stabilizers # UF21-001091 will prevent the movement at the wheels to stop that front to back movement.

The front to back movement can seem worse on long trailers. Your trailer is 36 feet long so even a small mount of movement at one end of the trailer can seem like a lot of movement at a different place in the trailer.

To further reduce movement front to back and side to side you can add stabilizer jacks, either electric or manual. The more stabilizer jacks you have the more solid the trailer will be and feel. The Lippert 4-point system # LC358590 isn't going to be enough and it would not work as well on a trailer as long as yours.

What I recommend for electric stabilizer jacks is either # UF39-941707 rated for 6,000 pounds and 22 inches of lift or # UF39-941705 for 6,000 pounds and 30 inches of lift. If the trailer has stabilizer jacks at the rear then one of these units would be most effective in between the landing gear jacks and the rear jacks.

For manual jacks you can't beat scissor jacks such as # UF48-979031 rated for 6,500 pounds each. Manually cranking scissor jacks can be a good workout but if you want to speed things up you can use a power drill with attachment # UF48-979005.

With the right stabilization products placed in key places on the trailer the movement can be greatly reduced if not eliminated.

expert reply by:
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Michael H

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