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How to Know if My Steering Stabilizer is Worn on my 2018 Thor Hurricane 18,000 GVWR  

Updated 06/04/2026 | Published 05/26/2026

Question:

I have a 2018 Thor Hurricane 30foot 18,000 GVWR. It came with an RSS labeled stabilizer with a large red spring. The Motorhome is all over the road with passing 18 wheelers and such. I assume with a one-year warranty this thing could be worn out. Any way to test these and how long do they usually last?

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Expert Reply:

Hey Freddie, A worn steering stabilizer definitely will contribute to the wandering you're feeling, but before replacing it, I'd want to make sure it's actually the culprit. As for lifespan, steering stabilizers don't have a set replacement interval and we've seen many last 50,000–100,000+ miles. They typically wear gradually rather than failing suddenly, with the most common signs being fluid leakage, reduced resistance, or a weaker centering effect over time.

A quick way to check your RSS unit is to inspect it for any oil leakage, damaged mounts, or a bent shaft. If everything looks good, you can disconnect one end and manually cycle it through its travel. It should have smooth, consistent resistance throughout the stroke and the spring should still provide a noticeable centering force. If it has weak spots, moves too easily, or feels rough, it may be time for replacement.

That said, the symptoms you're describing, getting pushed around by passing semis and feeling like you're constantly correcting the wheel, are often caused by other factors before the steering stabilizer itself. On a 2018 Hurricane built on the Ford F53 chassis, I'd also want to verify:

Front-end alignment, especially caster settings
Tire pressures (weighed and set to actual axle loads if possible)
Condition of sway bar bushings and end links
Track bar (if equipped)
Steering linkage and suspension components

I completely understand not wanting to throw money at a new stabilizer only to find out it wasn't the problem. The good news is that if the RSS is functioning properly, it should still provide a centering effect and doesn't typically "wear out" on a strict timeline. Many last for years, while others can weaken sooner depending on mileage, road conditions, and exposure.

If we can narrow down what's causing the coach to feel unsettled, there's a good chance you can get back to that relaxed confidence behind the wheel instead of fighting every passing truck.

If you find that it is bad and want a replacement recommendation, I've been a big fan of the Roadmaster Exact Center steering stabilizer for a while. In my opinion, it has one of the best re-centering mechanisms out there. For your coach, you'll want part # RM33RR.

Out of curiosity, where do you do most of your driving with the Hurricane—long interstate trips with heavy truck traffic, or more of the quieter highways and backroads?

expert reply by:
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John H
Freddie P. profile picture

Freddie P.

6/1/2026

The motor home has about 20,000 miles and I bought it used. After pulling the stabilizer I stood it on end. Pushing and pulling on it I can move it about four inches with about 40 pounds of force. I assume that that slack would explain the lack of control.

John H. profile picture
Etrailer Expert

John H.

6/4/2026

@FreddieP I don't have much information on how much force it should take (an exact number at least), but I can say that it should not be easily compressed or extended by an able-bodied adult, but you should still be able to move it by hand. If you are just casually pushing on it, then I would consider that a worn stabilizer. When compressing, the force should feel consistent and smooth through the entire stroke and it should extend back out on its own once you let go.

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