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For me, I would simply measure / install new leaf spring axle system with factory included brake flange steel plate. Do shop around because new axle "with" included full brake drums are often less expensive than axle with separate purchased full brake drums. I hear https://www.etrailer.com/ sells both new leaf spring axle, torsion brake hubs and/or separate purchase steel plate for brake flange (if your local welder can weld it on correctly). For trailers, I like to keep them simple with leaf spring system. Although, torsion system is much smoother ride...
 
Hi I am Rocky and I'm new to the forum.
I have seen many forums questioning Towing with the Sorento with many people not finding answers due to dealerships not being helpful. Fortunately, my dealer has given me some answers. To clarify, these are for 2016 Sorento with a V6 engine rated to to 5000 lbs.

Myth 1 - As a unibody vehicle, it is not recommended to use a weight distribution system on the Sorento. WRONG!
FACT: If you plan on towing anything heavy enough to need trailer breaks, a WDS is highly recommended for added handling and safety. It is recommended to use a WDS with built-in sway control rather than a seperate sway bar.

Myth 2 - If something were to happen while towing a large load, warrantee will not cover. WRONG!
FACT: As long as you tow within the limits of the vehicle described in your owners manual, warrantee will cover. NOTE: The tongue weight of the trailer must be accounted for when calculating the GVWR of the tow vehicle (Sorento). If the GVWR of your Sorento is 1100 lbs (as my 7 seater is) and the tongue weight of your trailer is 450 lbs, you only have 650lbs left of person and cargo carrying capacity inside the Sorento. The trailer's weight can still be up to 5000 lbs.

Myth 3 - Using a weight distribution system can increase your trailer weight and tongue weight capacity by 25%. WRONG!
FACT: Using a WDS is what gets you to the max of 5000 lbs. Doing so without one would be very unsafe and ill-advised.

Myth 4 - Running wires through your Sorento for trailer breaks is very costly and can affect your warrantee.
FACT: It is difficult to run these wires and it can become a warranty complication if you have future electrical problems in the car, as this new wiring will not be covered due to them not being a standard feature of the car. The best way to avoid this is to use a wireless break control module such as the Tekonsha Prodigy RF. It is more expensive to buy, but much easier to install and avoids any future warrantee questions. It can also utilise the stock 4 pin plug with a simple 7 pin adapter.

With these clarifications, I would also like to add some advise or recommendations for towing in general as people seem to have misunderstandings. First off, it is completely normal to see higher RPMs while cruising with a trailer. This is true even in pickup trucks. The engine RPM is not the biggest concern, but more the transmission temperature. In trucks and some vans, there is a TOW HAUL mode, which is not featured in the Sorento. However, the SPORT MODE does something quite similar in that it lets the engine rev higher in order to save the transmission from having to shift often for every slight incline change in the road. It is especially important to try to avoid shifting often as the Sorento features no transmission temperature gauge. Follow these considerations and the only thing you have to keep an eye on is your engine temperature.

The Sorento is by no meens a pickup truck, but that doesn't meen it can't tow. In fact, it has won many awards in Europe for being a good tow car as pickup trucks are a rarity. However here are extra considerations when towing.

Cruising at higher then unloaded RPMs is normal, but pushing the car to tow a trailer at faster highway speeds is NOT GOOD, and that is a fact for any towing vehicle. In sport mode, the Sorento will stay on the highway mostly in 4th gear and show approximately 2800 RPM at 90 kph. This is a great towing speed on flat ground. Going any faster will cause extra stress on the vehicle and worse gas mileage...and for how much gain? In this setting, you'll see better than 20L per 100km of gas mileage. IF YOU ARE IN A RUSH TO GO CAMPING, YOU ARE DEFEATING THE PURPOSE OF CAMPING IN THE FIRST PLACE. Also, when you see an uphill coming, increase your speed to gain momentum without shifting (staying in 4th, not exceeding 100 kph) and then letting the speed bleed off slowly as you are climbing as to try to get to the top without shifting into 3rd. If you have a long steep incline, just putt putt up the hill at 70kph. IF PEOPLE BEHIND YOU GET IMPATIENT THAT EASILY, THEIR PROBLEMS WERE ROOTED LONG BEFORE YOU SHOWED UP. Camping is meant to be relaxing and the towing experience should be the same. Don't let others ruin your trip and don't wreck your car trying to content others. Besides, they're probably just jealous of your new rig :p.
On the 2016-19 Sorento the two hitches available for this vehicle are NOT rated for Weight distribution.
 
When I mentioned voiding the warranty, I meant that If other warranty work with electrical has to be done on your car in the future, the first thing they will do is rip out the trailer breaks as they are not a stock feature of the vehicle. You will then have to foot the bill to replace that out of your own pocket. Using a wireless break controller would avoid these troubles.
As for the weight distribution system (WDS), that is something that is NOT built into the tow vehicle. It is a specially built hitch that will slip into your 2 inch receiver and get connected to the tongue of the trailer. What the WDS does is litterally uses the tongue weight of the trailer to pull the front end of the tow vehicle down and distribute the weight of the trailer through the front and rear end of the car. This avoids rear end sag and greatly improves handling and safety while pulling a heavier load. The prefered type of WDS for the Sorento is one with built in sway control which greatly helps against trailer sway caused by crosswind and large vehicles passing.

You can install the WDS yourself or have the help of the trailer shop where you buy your camper. They will help adjust the hitch angle and torsion bars to the optimal setting for your trailer/vehicle combination. The idea is to have the tow vehicle, the torsion bars and the trailer all straight and parallel with the level ground.
 
Regarding weight distribution. Has anybody found a real answer on if we can use them on the Sorento?
My dealership couldn't give me a straight answer.
The manual doesn't mention it.
No hitch I can find for it lists as rated for WD hitches.
My thought is that it can't handle one.
I have found :)

I had to dig about that because there no direct answer in the manual. And because Calgary KIA dealer where I have bought Sorento didn't respond to me.
First of all, I started with a hitch installation. At the eTrailer website for the Sorento hitch, I have found the note "Not rated for use with weight distribution systems". I asked a question and got a response from them, you can read it by the link: https://www.etrailer.com/question-458521.html
In a couple of words, eTrailer engineers put this note just because: "the underbody structure of the vehicle that the hitch attaches to cannot withstand the considerable additional force that the leverage from a system would apply without causing damage". So they even didn't check this statement with the vehicle manufacturer! Actually, like some other third part hitch suppliers.
I made the same request to U-Haul hitch installation servise. They provide hitch installation service and Sorento hitch (p/n: 78290) here by the link: Hitch Installation Guide - Model 78290
In a couple of words, the U-Haul response was: there no restrictions to use WDS just keep tongue weight and trailer weight in the required by vehicle manufacturer range.
Next, I have made the request directly to KIA-Canada (not to a dealer!). Please see attached pdf - their response.
In a couple of words: "both the sway control and weight distribution hitch can be used". Max tong weight and max trailer weight you can find in the manual at the page 5-132.
Hope it was helpful.
Thanks!
 

Attachments

I have found :)

I had to dig about that because there no direct answer in the manual. And because Calgary KIA dealer where I have bought Sorento didn't respond to me.
First of all, I started with a hitch installation. At the eTrailer website for the Sorento hitch, I have found the note "Not rated for use with weight distribution systems". I asked a question and got a response from them, you can read it by the link: https://www.etrailer.com/question-458521.html
In a couple of words, eTrailer engineers put this note just because: "the underbody structure of the vehicle that the hitch attaches to cannot withstand the considerable additional force that the leverage from a system would apply without causing damage". So they even didn't check this statement with the vehicle manufacturer! Actually, like some other third part hitch suppliers.
I made the same request to U-Haul hitch installation servise. They provide hitch installation service and Sorento hitch (p/n: 78290) here by the link: Hitch Installation Guide - Model 78290
In a couple of words, the U-Haul response was: there no restrictions to use WDS just keep tongue weight and trailer weight in the required by vehicle manufacturer range.
Next, I have made the request directly to KIA-Canada (not to a dealer!). Please see attached pdf - their response.
In a couple of words: "both the sway control and weight distribution hitch can be used". Max tong weight and max trailer weight you can find in the manual at the page 5-132.
Hope it was helpful.
Thanks!
Interesting that you received a response from Kia in favour of using WD. I have been "around the block" on this issue with the Kia dealership, Kia Canada, and RV hitch installers. My 2019 V6 Sorento is said to be able to pull 5,000lbs and per the manual has a 350lb hitch weight limit. Good luck finding a trailer that heavy with only a 350 lb tongue weight. I looked into WD as the manual is silent on WD but does recommend anti-sway.. Two very different things. Kia Canada advised me that they will not comment on WD and said to consult with hitch specialists. The specialists said there are no WD systems recommended for my Sorento "WD =no". A couple of them said that it is due to the unibody design. The Kia dealer confided that the vehicle is not really suited for "heavy" towing. So, around in circles I go. The true test is when I hooked up our new Hybrid trailer (3,000lbs and 310 tongue weight), I thought the SUV was going to sink into the ground. And 310 quickly became over 400lbs when loaded. As you know, even with weight distribution you cannot exceed the 350lb Sorento maximum.
After my research, I really don't think WD is proper for the Sorento. The suspension is very weak in this vehicle and they should stop promoting the 5000lb towing capacity without clearly staying the hitch weight 350 lb limit. So, I traded my Sorento for a 2019 Nissan Frontier which has a towing capacity of 6300lbs and tongue weight limit around 620lbs. Be wary of the Sorento. And also be wary of the informal responses from Kia. They should update their manual to clearly state their position on WD.
 
...Kia Canada advised me that they will not comment on WD and said to consult with hitch specialists. The specialists said there are no WD systems recommended for my Sorento "WD =no". A couple of them said that it is due to the unibody design...
Probably you didn't read my comment carefully. I repeat again: after my research, I found the most of hitch manufacturers would like to avoid any responsibilities to use WD with their hitches just because Sorento is unibody SUV. They didn't contact manufacturers directly and made kind of generic rule and apply it to all unibody vehicles. This is only the reason why you see the note "WD =no" at hitch manufacturers manuals. But all vehicles are different and correct info about this statement you can get only from the manufacturer.

...The Kia dealer confided that the vehicle is not really suited for "heavy" towing...
You are should be smart enough to understand that without any requests to KIA! If max hitch load is 350 lb - it already means Sorento is not for "heavy" towing!!! If you need a "heavy" towing - buy truck, not SUV.

...Good luck finding a trailer that heavy with only a 350 lb tongue weight...
Of course, you can not pull huge camping trailers with KIA Sorento but with Sorento you can tow camp trailers that other SUV can not - Sorento gives you a little bit bigger range of trailers you can tow. I personally bought Sorento to have a small vehicle (I hate trucks!!!) but with a possibility to tow small camp trailers like ProLite Escapade. If you take a look spec of this trailer you can find the tongue weight is 190 lb and Dry weight is around 2000 lb that gives you a room to load the trailer. I found more than 10 models with floorplan I like from different manufacturers of camp trailers and you should not be "lucky" to find camp trailers - there are a lot of options in the US and Canada.

Again, if you need to tow heavy trailers - Sorento is not your choice - buy a truck!
But for small camp trailers - Sorento is an excellent choice!
Not all guys in North America need huge camping trailers and trucks to tow them. Some of them love small vehicles and small camping trailers.
 
Probably you didn't read my comment carefully. I repeat again: after my research, I found the most of hitch manufacturers would like to avoid any responsibilities to use WD with their hitches just because Sorento is unibody SUV. They didn't contact manufacturers directly and made kind of generic rule and apply it to all unibody vehicles. This is only the reason why you see the note "WD =no" at hitch manufacturers manuals. But all vehicles are different and correct info about this statement you can get only from the manufacturer.


You are should be smart enough to understand that without any requests to KIA! If max hitch load is 350 lb - it already means Sorento is not for "heavy" towing!!! If you need a "heavy" towing - buy truck, not SUV.


Of course, you can not pull huge camping trailers with KIA Sorento but with Sorento you can tow camp trailers that other SUV can not - Sorento gives you a little bit bigger range of trailers you can tow. I personally bought Sorento to have a small vehicle (I hate trucks!!!) but with a possibility to tow small camp trailers like ProLite Escapade. If you take a look spec of this trailer you can find the tongue weight is 190 lb and Dry weight is around 2000 lb that gives you a room to load the trailer. I found more than 10 models with floorplan I like from different manufacturers of camp trailers and you should not be "lucky" to find camp trailers - there are a lot of options in the US and Canada.

Again, if you need to tow heavy trailers - Sorento is not your choice - buy a truck!
But for small camp trailers - Sorento is an excellent choice!
Not all guys in North America need huge camping trailers and trucks to tow them. Some of them love small vehicles and small camping trailers.
Hello. Firstly my post was primarily to state my findings about Weight distribution systems and the Sorento and how they haven't indicated in their manuals of it is recommended. Sorry that it was in direct reply to your post. You're correct that the 3.3L Sorento is good for a 2000 pound trailer with hitch weights around 200-300lbs. Unfortunately they promote the 5,000 lbs capability which is where you would be hard pressed to find the low tongue weight. I pulled a tent trailer with it and had no trouble. But my new trailer of 3,000lbs is not what I would consider big, and the tongue weight of 310 should have been adequate for the vehicle, but the squat at the rear and rise at the front would not have been safe. The main issue for me is the Kia promotion for towing and the fact that Kia Canada would not write to me to say WD was ok. The manual only recommends anti-sway. The hitch dealers I spoke with said WD was not for the Sorento. So I agree the vehicle is good for certain weights but if the hitch weight is around 300 or over a person may want to reconsider if they buying a Sorento for this purpose. Kia should "come clean" in the manuals about WD and also make sure that after market hitch manufacturers offer WD specifically for the vehicle. Even Kia's factory hitch does not offer WD. Hope all of our comments help someone. Happy camping!
 
The Sorento is excellent to tow your jetski to the lake, i would not use it to tow a camper of any size longer than it would take me to pull it from the dealer's lot to my house. Its not a tow vehicle and should not be used as such just because you can or think that you can.

Not only in my opinion is it not safe to do heavy towing with it but I also think you're setting your tranny up for failure very prematurely.
 
Can someone explain this to me :
Sorento v6 awd 2016-2018: max tongue weight (TW) : 500 lbs
Sorento v6 awd 2019-2020:max tongue weights (TW): 350 lbs.
An AWD system adds weight to the vehicle which in turn reduces its towing capacity.

The only difference between these years to MY KNOWLEDGE is the the 8spd transmission which started in the 2019 models and up.
 
The Sorento is excellent to tow your jetski to the lake, i would not use it to tow a camper of any size longer than it would take me to pull it from the dealer's lot to my house. Its not a tow vehicle and should not be used as such just because you can or think that you can.

Not only in my opinion is it not safe to do heavy towing with it but I also think you're setting your tranny up for failure very prematurely.
Could you please explain, what is the base for this statement?
Real facts or numbers from the official manual? Manufacturer's official statements?
Or just your opinion based on unfounded prejudice / "a mere assertion" ?
 
I have read that for some reason the USA TW could be 500lbs, and in Canada the TW is 350lbs.
Can you please provide the sources of the statement "USA TW could be 500lbs". Is this official source (like vehicle manual) or just "somebody somewhere said... "?

This is the info from the official source - Sorento vehicle Manual (Canada):
115427


Thanks!
 
Can you please provide the sources of the statement "USA TW could be 500lbs". Is this official source (like vehicle manual) or just "somebody somewhere said... "?

This is the info from the official source - Sorento vehicle Manual (Canada):
View attachment 115427

Thanks!
Hello. I have the same in my manual (Canada). The 500 USA comment was just from some "googling" and comments in forums. I looked no further as I had what I needed to know. Perhaps someone in USA has the page from their manual that they can share.
 
I have a USA manual, of a 2017 and 2018 EX V6 AWD. Tongue Weight is 350LB, and says max towing is 5,000lb. But given other experience and advice from here, and other places, I would never try to exceed 3,500 lb on this car, on the road. Not that it could not pull 5,000 lb, but I would like to stop in an emergency.
 
I have a USA manual, of a 2017 and 2018 EX V6 AWD. Tongue Weight is 350LB, and says max towing is 5,000lb. But given other experience and advice from here, and other places, I would never try to exceed 3,500 lb on this car, on the road. Not that it could not pull 5,000 lb, but I would like to stop in an emergency.
Thank you! And it makes sense for me.
I agree with you about 3500 lb limitation. But I'm sure, for a short distance and low speed you can tow up to 5000 lb safely and without damage to the vehicle. And it simply nice to know about this possibility and about the existing load margin even if you never will use it, correct?
 
Could you please explain, what is the base for this statement?
Real facts or numbers from the official manual? Manufacturer's official statements?
Or just your opinion based on unfounded prejudice / "a mere assertion" ?

I'm P.Eng, and trust the theory, numbers, and real-live tests results. I design equipment/tools based on trailers. And the logan of my company is "Safety First". I have a civil experience with towing trailers by a similar SUV. I know the KIA engineering team worked hard before show numbers in the manual and takes a responsibility for this numbers.

This is my base, and what is your statement based on?
I am not sure which part of my statement are you asking about?

I think we can both agree that there actually is a difference in chassis framework between SUV’s and trucks. A “body-of-frame” design on trucks and full-size SUVs is a steel “ladder-like” design that shapes the base of the vehicle. This design will provide more strength when towing. The “unibody” design on cars and smaller SUVs is where the stress of the vehicle is put on the body panels and spreads through different parts which are why towing is typically not recommended. Their bodies are just not strong enough.

I have nothing against the Kia engineers but they didn't design the car or transmission for hauling. This is an occasional tow vehicle to tow light weight loads for short distances. As someone who has towed heavy and light loads for 20 years I can use my experience as "prejudice" or bias to my statement. I am no engineer and will be happy to learn from you and others if I am wrong.
 
Thank you! And it makes sense for me.
I agree with you about 3500 lb limitation. But I'm sure, for a short distance and low speed you can tow up to 5000 lb safely and without damage to the vehicle. And it simply nice to know about this possibility and about the existing load margin even if you never will use it, correct?
I do not beleieve Kia made up the maximum towing numbers. But they also do not dicuss emergency stopping and the like and possible degradation to the engine and transmission. Because you can, does not mean you should. The speedometer goes to 160mph. Would anyone in their right mind recommend cruising at 160mph? Can the Sorento even go that fast? If I needed to tow something down the road, or a rare short term heavy tow, I think the AWD V6 Sorento could. For example, a disabled car that I can't get a tow service for. If I could hook it up, I could probbaly tow a car real slowly some distance with this Sorento (with a proper hookup).
 
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