Trailer Hitch, Wiring, Transmission and Power Steering Coolers for a 2015 Toyota Sienna

Question

Question:

Hi, I noticed that the Curt tow hitch description for a current model Toyota Sienna mentions that it goes up to 5000 lbs towing capacity with a weight distributing hitch. Toyota literature says the max towing for a Sienna is 3500 lbs. Does the use of a weight distr hitch actu7ally increase the max safe towing limit for the Sienna to 5000, or is it just the hitch itself is capable of that? Thanks!

asked by: Dan

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Expert Reply:

It is just the hitch that is capable of the higher capacity when using weight distribution. Some vehicles will have a weight carrying capacity and a weight distribution capacity. It doesn't sound like your 2015 Toyota Sienna has a weight distribution capacity so you would be limited to the 3,500 pounds specified for the vehicle.

Also you will want to check the owners manual because Toyota may require additional items to meet the max capacity including a transmission cooler and/or power steering cooler.

Coolers are not vehicle specific so the most popular cooler for Siennas is # D13503. And for power steering coolers the most popular option is # D13200.

Trailer hitch # C13105 is the most popular option for your Sienna. I also recommend etrailer ball mount kit # EBMK4. It comes with a ball mount with a 2-3/4 inch rise or 4 inch drop, interchangeable ball set, hitch pin and clip, and a storage bag.

If the ball mount kit does not have the right rise or drop to tow the trailer level, use the link I have included that explains how to measure to choose a ball mount to tow the trailer level.

For trailer wiring, if you have an SE model use # 118498. If you do not have an SE model use # 118648

expert reply by: Michael H

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Answer 1

We do offer a trailer hitch receiver that I confirmed with the manufacturer is a direct fit for your 2021 Toyota Sienna, which is from Curt: - Curt Trailer Hitch Receiver #C22UR This is an easy bolt-on installation and will give your 2021 Sienna a…

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Answer 2

I would be happy to recommend everything you will need to add a 7-way connector and trailer brake controller to your new 2021 Toyota Sienna. First you will need to have a 4-way connector installed of which I recommend the Curt Powered Tail Light…

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Answer 3

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 4

The etrailer hitch #e98837 that you referenced has a 350 lb tongue weight rating when towing a trailer not using a weight distribution system but when you do use a weight distribution system the tongue weight rating would go up to 500 lbs. This is…

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Answer 5

The best weight distribution hitch for your 2021 Toyota Sienna XLS is going to be the Equal-i-zer Weight Distribution System item #EQ37040ET. This system has built in sway control that will keep your Scamp Trailer inline when you are going down the…

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Answer 6

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 7

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 8

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 9

Hi there Ryan; thanks for the question and the easiest weight distribution hitch to connect and disconnect after initial set up is the B&W Continuum, with the right one for your 2-1/2" hitch being the following: - B&W Continuum Weight…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

For your 2024 Nissan Frontier I recommend the Redarc Tow-Pro Liberty Brake Controller #RED24FR. I like the Liberty because it is simple, reliable, and looks great in any vehicle. The main unit installs behind the dash, so only the control knob will…

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Answer 12

I have a few things for you to check when it comes to not being able to pair your iPhone with the Curt Echo #C51180. The first thing to do is make sure that you're pairing your phone with the Echo through the app. If you paired it through the…

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Trailer Hitch, Wiring, Transmission and Power Steering Coolers for a 2015 Toyota Sienna

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