Suspension Kit for Class C Motorhome on 1998 Ford E-350 Van Chassis

Question

Question:

1999 Ford E350 cutaway 26foot Jamboree class C motorhome, 11500 lb gvwr. My rear leafs have sagged. Also suffers from sway and wind push. Do you have any suggestions? That I can put on myself? Thanks

asked by: Robert W

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Expert Reply:

We have a rear-axle helper spring kit you can use on your 1998 E-350-based Class C motorhome to help correct for sag and sway, Timbren's rear jounce spring kit # TFER35092B which fits the 2WD versions. This is a no-drill kit with springs that replace your factory bump stops; a set provides 3600-lb leveling and stabilizing capacity. The instructions are linked to show you what is involved.

If you have a 4WD then your option is a rear air bag kit, such as # AL88138 from AirLift and # F2061 from Firestone. Both are designed for motorhome applications. These will require a more complex installation process than rubber springs.

expert reply by: Adam R

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Answer 1

The Air Lift LoadLifter 5000 Ultimate Air Helper Springs #AL88138 is indeed the correct kit for your 1989 Ford E-350 chassis. The air springs will certainly help to level out the rear of the RV and stabilize the suspension for reduced sway but…

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Answer 2

For your 1995 Ford E-250 club van the Air Lift LoadLifter 5000 kit part #AL88138 is a confirmed fit and would work great.

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Answer 3

I do have an option for you but they do not make a set of rear airbags for your 1993 Ford E-150. I recommend using the Timbren Rear Suspension Enhancement System part #TFER15087 instead which will also not change your ride height. The Timbrens will…

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Answer 4

I recommend using the Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle #AL88138 which will help you level out front to back but also help with side to side tilt by inflating the bags to different pressures…

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Answer 5

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 6

It sounds like the purpose of getting the air helper spring would be to counteract the 1 inch compression you're getting in your rear suspension caused by the pin weight of your 5th wheel. If that's the case, I believe that the AirLift 5000…

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Answer 7

There are a number of differences between the Firestone Ride-Rite Air Helper Springs #F2445 and Air Lift LoadLifter 5000 Ultimate Air Helper Springs #AL88299, starting with fit. While the Air Lift will fit all models of the 2018 Toyota Tundra, the…

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Answer 8

Hey Richard, thanks for reaching out! The Air Lift LoadLifter 7500 XL Air Helper Springs #AL57541 does take up the same space as the Curt 19419346 5th wheel bracket kit for your 2024 GMC Sierra 3500. The only way to remedy this is to use the…

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Answer 9

The Hellwig Adjustable Big Wig Rear Anti-Sway Bar #HE94FR is only going to leave a few inches between it and the spare tire, as you can see in the attached picture. Depending on how far forward you have the tire it could potentially interfere with…

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Answer 10

Thanks for the picture! For your 2023 GMC Sierra 1500 with adaptive ride control you'll want the Air Lift LoadLifter 5000 Air Helper Springs item #AL57388. This air bags have a 5,000 lbs load leveling capacity that will keep the rear end of your…

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