Air Bag Suspension Kit For 2016+ Sorento - Kia Forum

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post #1 of 14 (permalink) Old 02-23-2019, 08:36 AM Thread Starter
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Question Air Bag Suspension Kit For 2016+ Sorento

I am totally confused. Kia advertises towing capacity for the 2016+ Sorento at 3500lbs. or 5000lbs depending if you have fwd or awd. Yet when you attached a very light 2000lb travel trailer the rear drops 1.25 inches over the rear axel. Has anybody found a way to reduce the drop and keep the Sorento level? I cant find an air bag kit to insert into the rear coil springs or any other method that will fit the newer Sorento model. I dont understand how Kia can make such claims regarding towing capacity when their rear suspension system doesnt support any trailer on the market today over 1000 lbs. Also is the reason there is nothing on the market to beef up the rear suspension because of the design of the rear suspension or just the lack of demand for such products? Thank to all of you who care to respond.

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post #2 of 14 (permalink) Old 02-23-2019, 09:43 AM
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Just a point: The total weight of what is being towed and the tongue weight of what is being towed are quite different things. Weight distribution counts. I believe the upper limit per Kia spec is 350#. Ideally, the recommendation is more on the order of 10% of the total, so in your case, 200#.

What is the tongue weight of your trailer, loaded?

Edit: Should have made "loaded" more clear. Put in the stuff you plan to haul, and distribute it as you normally would. You may need to adjust position of stuff.

Last edited by ecanderson; 02-23-2019 at 12:37 PM.
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post #3 of 14 (permalink) Old 02-23-2019, 10:40 AM Thread Starter
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Good question. I will have to weigh it and get back to you. The manufacture says 175lbs but I cant besure if that includes the battery or the two 20 lb propane tanks filled.
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post #4 of 14 (permalink) Old 02-23-2019, 12:38 PM
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When you measure, be sure that it's loaded in a fashion typical to how you would travel. Make any adjustments necessary by moving your stuff ahead or behind the trailer's axle.
You don't want things to get too light, either -- trailer sway is ugly! I recommend 10% of the trailer's loaded weight for lighter units, but the suggested range out there is 9%~15%, which would put you at between 180# min and 300# max.
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post #5 of 14 (permalink) Old 02-24-2019, 09:43 PM
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The KIA Sorento with larger size V6 engine can pull huge amount of weight. As previously stated 3,500 lbs or 5,000 lbs. This means its engine, transmission, drive system and chassis is rated for this MAX "towing" weight. It doesn't mean its "factory" suspension is made to support 10%-15% (average 13%) of loaded trailer's tongue weight. If it did, a solo driver will have too solid of suspension. Vision vehicle with solid axle and solid tires comfort at 100% of the time. Ouch!

For a vehicle with high towing lbs ratings, you'd think KIA would have optional factory towing package that included Air Bags, Air shocks or some other Rear Leveling systems - like other auto makers. re: Like Dodge and their Nivomat "load leveling" rear shocks.

In a perfect world, one can attach a Weight Distribution System with properly sized tension bars (on the attached trailer's tongue) and the vehicle's "stance" can be manually adjusted to level out. Yes. This is in a perfect world. In a reality world, not all trailers can accept a Weight Distribution System. In this case, install custom sized air bags within its coil springs, "air up" for heavy weight inboard cargo and/or trailer tongue weight and away you go. And if one cannot use a Weight Distribution system, remember NOT to exceed the trailer's hitch's non-WDS numbers. re: See Trailer hitch numbers for more details.

I wish Kia made optional Factory rear air bag systems for their Sorento V6 vehicles as well. But since they don't, one must go 3rd party - to customize the vehicle's rear suspension themselves. re:

"The Air Lift 1000 Universal Air Spring Kit (Part No: 60901) is a perfect fit for the 2016 Sorento LX V6 AWD".
This product might fit for your year or Sorento as well....

Hope this helps.

5 out of 4 people have problems with fractions..... LOL!

Last edited by Spike99; 02-25-2019 at 04:57 PM.
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post #6 of 14 (permalink) Old 02-25-2019, 08:41 AM
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.

If wondering, Air Lift 1000 PN: 60901 (for 2016+ Sorento rear coil spring inserts) can be bought from:
- Amazon.ca -> search for Air Lift 60901
- Amazon.com -> search for Air Lift 60901

Good install videos at U-Tube:
_https://www.youtube.com/watch?v=tmcKIJo1D8g
_https://www.youtube.com/watch?v=fJiw4nyd9-E

Note: To install Air Bags inside coil springs, I find it best to jack up the vehicle's body, disconnect the rear brake line (and temp cap it), remove the lower shock bolt, drop the rear suspension lower and remove the coil spring. Then, install the air bag inside the remove coil spring. Then, reinstall in reverse order. Afterwards, remember to bleed the rear brake lines. All these tasks are an easy DIY job in one's driveway - taking 3-4 hours.

Hope this helps as well...

5 out of 4 people have problems with fractions..... LOL!

Last edited by Spike99; 02-25-2019 at 09:22 AM.
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post #7 of 14 (permalink) Old 02-25-2019, 11:58 AM
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I recall seeing the Telluride will have a true towing package that should help eliminate the rear squat issues.... not that it helps us Sorento owners.
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post #8 of 14 (permalink) Old 02-25-2019, 08:53 PM Thread Starter
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I want to thank all of you for your thoughts on getting my rear suspension a little stronger. Air bags are the way to go. I have searched these threads and found a member by the name dsatwork who wrote how he installed Air Lift 60901 1000 universal air springs. It was written back in 7/4/17 under the post " Sorinto 2016 V6 towing capacity 5000 lbs? why? Spike99 you are right. Both of you installed them on a 2016 AWD since mine is a FWD I am not sure that the air bags will fit. I see the rear coil springs have different part numbers so I assume they are different. Just not sure how to see if they will fit other than trying to compare the spring side by side. That can get expensive. Maybe somebody out there already knows the answer.
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post #9 of 14 (permalink) Old 02-25-2019, 09:30 PM
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.

To find proper "universal" fit of Air Lift 1000 product, simply crawl under your vehicle and with empty ride chassis weight on a level suspension, accurately measure the space inside the rear coil springs. Ya. Its a PITT (Pain in The Tail) doing detailed measurements on one's driveway. Alternative: During next engine oil/filter change task, do get the auto shop to do inside coil spring "space" measurements while vehicle is on the hoist (assume wheel lift hoist).

If wondering, one needs the cavity space width and cavity space height (space within the steel coil rings area) measurements at normal weight compression. With confirmed measurements in inches, simply search Air Lift Universal Sizing Chart - to pick the best fitting universal size air bag insert (for inside the coil spring cavity space).

For details, scroll down the many pages within:
https://www.airliftcompany.com/works...ir-spring-kit/

And/or see PDF file at:
https://www.airliftcompany.com/conte...ls/MN-1002.pdf

And if still unsure exact part number before buying, do call Air Lift company @ (800) 248-0892. They will verbally confirm your needed exact Part number - based on your vehicle's rear coil spring cavity space measurements as well. Then, buy off Amazon or ???? Do shop around because selling prices of same part number do dramatically vary.....

Hope this helps as well...

.
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Last edited by Spike99; 02-27-2019 at 07:58 AM.
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post #10 of 14 (permalink) Old 02-26-2019, 11:50 AM Thread Starter
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Spike 99 it does help. Thanks again for all your suggestion.
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