Towing experiences with your 5th Generation

I towed my bass boat this week with my stock SR5 and it did okay but did struggle a little going up big hills. However, I towed the boat with my wife's Tundra with the big V8 and wow what a huge difference in power. We had considered trading in the Tundra to get her something like a CRV or RAV4 so towing with the 4Runner was a lab test. Pretty sure we'll keep the Tundra now.

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My old 4th gen with a V8 towed the same rig about the same as the 5th gen but it warped the front rotors a couple of times.
 
I have towed our new rpod 182g about 300 miles now; this is my long winded experience so far.

3278 pounds loaded, give or take for water, 360-pound tongue weight. It dropped the rear a little over 2.5 inches with everything empty and raised the front just over an inch. Installed the Fastway e2 weight distributing hitch, model FA92-00-0450. With the default settings, the front was back to level with the rear within .5 inch. Loaded up and added a little more spring. Ride was night and day different, no kick, just rock solid. Before installing the hitch I only had sway once due to some tramlining in 18-wheeler grooves that don't match the width of the trailer. After putting on the hitch, I repeated the exact section of road, it rode the edge of the groove without falling in, rock solid. I've towed boats and flatbed trailers all of my driving life, but never a giant slab-sided marshmallow. It is a different load due to wind and the profile. The hitch helps in this situation to properly distribute the weight and prevent sway.

Now I can load up all of my family, family crap, dogs, whatever, and the camper and be perfectly level while maintaining proper weights on the front and rear axle. The scales said I could even add a couple hundred pounds of more crap in both the camper and the truck.

I have been very happy with the fuel economy; towing I can get around 14-15+ (onboard claims as good as 16, lol) on a flat road at 63 or so, which is amazing. I pulled it with my in-laws duramax, 11 mpg but you could not feel it back there.

It moves along just fine but has no guts on the highway, which is fine and is to be expected. Hills around Tennessee can be brutal, but we move up them just fine for now. With the family in tow I'm in no hurry and stick to a safe speed, but not using the cruise it's hard to keep it from creeping to 70+.

Hopkins insight brake controller works well, stops on a dime after dialing in the trailer brakes. I purchased an ultraguage to monitor my temps, and it is always on. Surprisingly the temps are only a few degrees higher when towing than in stop and go traffic. Stop and go and constant high speed (cruise at 80 or so) really raise the temps. While towing, water temp stays no greater than 194, the converter hit 208 degrees after some traffic but settled right back to the 180's. I let it shift to 5th on a flat section of road at 65 just to watch the temps, and the converter temp started to climb rapidly, back to 4th gear - end of that experiment. The converter is still unlocking in 4th gear depending on road conditions. We have a two hour trip next weekend and it will be a little warmer, no worries.

I don't subscribe to the "must have a duramax 3500 dually to tow anything" mindset, very impressed with the 4Runner. Time will tell when the air temps climb into the upper 90's, but for now, it is just fine. I can see myself upgrading to a GX460 or similar in a few years when we jump to a 26 footer, or I get tired of my foot to the floor, but for now; we have a great towing combo.

Controller remote:
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No weight distribution, on my test drive:
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...this is my long winded experience so far.

That's actually a great write-up. Thanks! :hatsoff:

I use OBD Fusion on my iPhone paired with a Carista Bluetooth OBD adapter. But I can 't seem to find how to measure the TC temp. I can get Trans temp in/out, though. Did you have to configure your scanguage to read TC temp, or did it come pre-configured for it?
 
That's actually a great write-up. Thanks! :hatsoff:

I use OBD Fusion on my iPhone paired with a Carista Bluetooth OBD adapter. But I can 't seem to find how to measure the TC temp. I can get Trans temp in/out, though. Did you have to configure your scanguage to read TC temp, or did it come pre-configured for it?

I have an ultraguage, which is a little different than the scan guage. It uses a different language/format/syntax (?) for programming. I had to find these on tacoma and fj forums, but they worked for me. Not sure if your app uses this format, I'm sure you can find the correct codes/PID's for your app on the various forums, but this is what I used:

UltraGauge MX v1.3 Code for 2012-2015 Tacoma/others Lock up Converter Status:

Lock up Converter Status (1=Locked up, 0=Not locked)
MGauge #5
TDATA: 07E02182
MTCH: 6182
RPOS: 1F01
RCTRL: 21
TCTRL: 92
X: 0001
/: 0001
+: 0000
Output format: 00
AVE: 00
Left/Right is 30

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I just posted this in the "What did you do...5th Gen" thread, but adding it here, since it was tow-related. We towed our boat from miami to Ft Myers. For this particular tow, keeping the tranny in S4 worked best. The sweet spot was a steady 2.2K RPMs, at about 68MPH. Took a little longer, but the truck felt smooth - never felt bogged down or straining. The boat is about 2900 lbs dry, and the trailer about another 1K lbs. 4Runner did great.
 

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Towed my 23 foot boat last weekend and the 2wd SR5 and it did fine. I aired up the Airlift bags up to 20 PSI and left the trans in S4. It towed the boat even better than the old 04 4runner it replaced. Probably 4500 lbs with the trailer.
 
I'm using a Weight Distribution for my RV Trailer, but when I went to get Land Cruiser with the UHaul trailer last december (during a huge snowstorm), I didn't expect to get that low on the rear and it was so light up front it was scary as hell. And also manage to loose a bolt on the rear shock, which make me slept in the car for a night.

But usually the towing going pretty well.
 

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Still new to this forum, and new to being a Toyota 4Runner owner... but have plenty of experience towing with a smaller SUV.

...

I look forward to hearing some feedback! I too am coming from a 2006 Xterra (same color even :) )which towed like a dream pulling an 18’ Flagstaff Micro-Lite at about 3,000# dry w/ an Equalizer WDH. I’m real anxious (read: nervous) to tow with the 4Runner; it is my single biggest reservation and concern about the vehicle. The low end torque and tranny gearing on the Xterra were seemingly a dream compared to the 4Runner, at least as far as the “seat of the pants” feeling goes, although the numbers on paper are nearly identical as far as horsepower, torque, and even final drive ratio in every gear for that matter! 4Runner is about 500 lbs more porky and too quick on the up shift. I plan on towing exclusively in S-mode and keeping the tranny in the power band.

Also, I’d make the argument that staying in the 80% rule is a good rule of thumb, especially folks new to trailering. Also depends where you live. 5,000# at sea level is a whole different ballgame than 5,000# at elevation; here is CO you can’t go much of anywhere without going over a 10,000ft mountain pass–Monarch, Vail, Lizard Head, Wolf Creek, etc are all long, steep climbs were it makes a whole lot more sense to tow a more moderate load. As powerful as the Xterra was, I felt like that trailer was just about right in these conditions and certainly wouldn’t have wanted anything much heavier, although I know of several others who’ve done it with trailers comparable to yours, or even heavier! As you said, comes down to individual comfort level I suppose, but I prefer and would argue a bit more conservative approach as opposed to towing at the max, especially in the Rockies.

Test run locally in about a month then shake down run over Memorial weekend! :) In the meantime, need to get those Firestone air bags installed…

We basically bought the trailer for a 2 week trip to Mt Rainier w/ our toddler son. Ideal way to road trip with the kiddos! :)

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Couple shots from last summer around CO…

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Happy Camping and Safe Travels!
 
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I tow this enclosed cargo trailer about once a month in the warm months. Filled with motorcycles / scooter and camp gear around 2700lbs. Keep it in S4 or S5 with no problems. Pulls a little extra RPM and burns a little extra gas but who cares, it will tow like that forever- its a Toyota.
 

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This week I experienced something new in the 4Runner while towing. Had 6x12 Uhaul trailer, which was likely overloaded full of heavy wood furniture, tool chests, 30gal air compressor, guns, and 30k rounds of ammunition in addition to more normal household goods. Kept heavy items on trailer longitudinal centerline, tool chests near tongue, then ammo ending over the rear axle. Remainder of trailer was packed full, side to side and bottom to top.
At 62mph driving straight on the interstate, the trailer started to sway uncontrollably, enough to kick in the traction control. I backed off the speed without braking and around 55mph it came back under control. I tried it again twice more, accelerating more slowly and still started to get heavy sway around 60mph. Backed it down and kept it at 50-55mph for remainder of what was supposed to be 90min trip.
I may not be extremely experienced with trailers, but I'm not exactly a novice. I did try to keep the load balanced left and right, and load heavy items forward. Rear suspension air bags were at 12psi, trailer was level, truck was sagging ever so slightly (not enough to make steering light).
Any ideas on what would cause swaying so badly? Too much tongue weight? Crappy rental trailer? Unbalanced load? High crosswind 15-25mph including gusts?
 
I tow a 2014 Holiday Rambler Aluma - Lite trailer, 22 feet long, with my 2016 4runner. I have weight distribution hitch system with sway control and it tows great. Reno, NV is above 4500 feet and nearby summits are 6 to 7000 feet whenever you hit the road. My issue is the rear sag when I hitch the trailer, 2.5 inches. I just had the Timbren Suspension Enhancement System installed today and will test it out this weekend.

Sent from my GT-N8013 using Tapatalk
 
This week I experienced something new in the 4Runner while towing. Had 6x12 Uhaul trailer, which was likely overloaded full of heavy wood furniture, tool chests, 30gal air compressor, guns, and 30k rounds of ammunition in addition to more normal household goods. Kept heavy items on trailer longitudinal centerline, tool chests near tongue, then ammo ending over the rear axle. Remainder of trailer was packed full, side to side and bottom to top.
At 62mph driving straight on the interstate, the trailer started to sway uncontrollably, enough to kick in the traction control. I backed off the speed without braking and around 55mph it came back under control. I tried it again twice more, accelerating more slowly and still started to get heavy sway around 60mph. Backed it down and kept it at 50-55mph for remainder of what was supposed to be 90min trip.
I may not be extremely experienced with trailers, but I'm not exactly a novice. I did try to keep the load balanced left and right, and load heavy items forward. Rear suspension air bags were at 12psi, trailer was level, truck was sagging ever so slightly (not enough to make steering light).
Any ideas on what would cause swaying so badly? Too much tongue weight? Crappy rental trailer? Unbalanced load? High crosswind 15-25mph including gusts?
Not enough tongue weight.

The required tongue weight to have a stable trailer varies with the polar moment of inertial of the trailer/payload combo. Higher polar MOI = higher tongue weight needed. A trailer with tungsten loaded just in front of the axle will need less tongue weight than a trailer with the same amount of tungsten loaded at each corner of the trailer. Putting heavy stuff at the front and rear of the trailer is a bad idea for stability.
 
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I tow a 2014 Holiday Rambler Aluma - Lite trailer, 22 feet long, with my 2016 4runner. I have weight distribution hitch system with sway control and it tows great. Reno, NV is above 4500 feet and nearby summits are 6 to 7000 feet whenever you hit the road. My issue is the rear sag when I hitch the trailer, 2.5 inches. I just had the Timbren Suspension Enhancement System installed today and will test it out this weekend.

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Well...

This week I experienced something new in the 4Runner while towing. Had 6x12 Uhaul trailer, which was likely overloaded full of heavy wood furniture, tool chests, 30gal air compressor, guns, and 30k rounds of ammunition in addition to more normal household goods. Kept heavy items on trailer longitudinal centerline, tool chests near tongue, then ammo ending over the rear axle. Remainder of trailer was packed full, side to side and bottom to top.
At 62mph driving straight on the interstate, the trailer started to sway uncontrollably, enough to kick in the traction control. I backed off the speed without braking and around 55mph it came back under control. I tried it again twice more, accelerating more slowly and still started to get heavy sway around 60mph. Backed it down and kept it at 50-55mph for remainder of what was supposed to be 90min trip.
I may not be extremely experienced with trailers, but I'm not exactly a novice. I did try to keep the load balanced left and right, and load heavy items forward. Rear suspension air bags were at 12psi, trailer was level, truck was sagging ever so slightly (not enough to make steering light).
Any ideas on what would cause swaying so badly? Too much tongue weight? Crappy rental trailer? Unbalanced load? High crosswind 15-25mph including gusts?

Definitely an improperly distributed weight. I have seen this with both too much tongue weight and too little tongue weight. Remember, you want the bias of the weight to be forward on the trailer (then use your airbags to help level it), but too much weight on either end can cause a trailer "pendulum" effect.

...we won't hold it against you because of the "guns, and 30k rounds of ammunition" :thumb: :uzi:

I still think you handled the situation really well.

Not enough tongue weight.

The required tongue weight to have a stable trailer varies with the polar moment of inertial of the trailer/payload combo. Higher polar MOI = higher tongue weight needed. A trailer with tungsten loaded just in front of the axle will need less tongue weight than a trailer with the same amount of tungsten loaded at each corner of the trailer. Putting heavy stuff at the front and rear of the trailer is a bad idea for stability.

Agreed and disagreed... Your physics is correct, but this can also be caused by too much tongue weight (which his airbags would have made less obvious). The distance between wheel axles and the pivot point of the trailer have to be taken into account. No matter what, improper weight along the 3 contact points with the road (front tires, rear tires, and trailer tires) can cause any number of issues when you include the leverage dynamics involved with shorter wheel bases.

The 4Runner's short wheel base does not help with this, but these vehicles are made to be more versatile off road than be highway haulers. They just happen to tow pretty well for their size.
 
...we won't hold it against you because of the "guns, and 30k rounds of ammunition" :thumb: :uzi:

The 4Runner's short wheel base does not help with this, but these vehicles are made to be more versatile off road than be highway haulers. They just happen to tow pretty well for their size.

LOL there were only about a 10 guns in the trailer, the rest in the truck or already at the new location. Yea.... 30k rounds, and I stopped buying ammo and starting buying stuff to reload my own about a year ago.

4Runner has a short wheel base? I came to the 4Runner from a 92 Bronco, now that's a short wheelbase! Actually I liked the short wheelbase of the Bronco, made it very maneuverable for such a big heavy truck, and backing the boat down the ramp was easy. I'm still learning how the 4Runner handles trailers other than straight line.

Thinking about it now, we loaded it bulky items closest to tongue, better to play tetris with what remained. Though I tried to keep the tool chests forward, my genius brother did load the compressor over the rear axle, and lots of small ammo cases behind that. I bet the tongue weight was probably too light for such a heavy load. 10psi is what I use in the bags for normal driving and grocery hauling, I didn't add any to it for the Uhaul. I considered about stopping to add more, but didn't consider it absolutely necessary since the 4Runner wasn't pitched nose high and the compressor was buried (need for onboard air right?!).
 
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Weight in back of the trailer axle reduces stability, for sure. I had a friend who got clever and had a hitch receiver welded on the back of his pop-up so he could load a bike rack back there. The first time he hit 70mph on the freeway with the bikes on it the trailer went wild, literally swaying from one lane to the other. Fortunately he was towing with a Suburban, so the vehicle was heavy enough and long enough to handle it OK until he got slowed down. He never put bikes back there again.

I use a stabilizer bar on my pop up all the time. I don't absolutely need it, but I like the better behavior with it installed.
 
LOL there were only about a 10 guns in the trailer, the rest in the truck or already at the new location. Yea.... 30k rounds, and I stopped buying ammo and starting buying stuff to reload my own about a year ago.

4Runner has a short wheel base? I came to the 4Runner from a 92 Bronco, now that's a short wheelbase! Actually I liked the short wheelbase of the Bronco, made it very maneuverable for such a big heavy truck, and backing the boat down the ramp was easy. I'm still learning how the 4Runner handles trailers other than straight line.

Thinking about it now, we loaded it bulky items closest to tongue, better to play tetris with what remained. Though I tried to keep the tool chests forward, my genius brother did load the compressor over the rear axle, and lots of small ammo cases behind that. I bet the tongue weight was probably too light for such a heavy load. 10psi is what I use in the bags for normal driving and grocery hauling, I didn't add any to it for the Uhaul. I considered about stopping to add more, but didn't consider it absolutely necessary since the 4Runner wasn't pitched nose high and the compressor was buried (need for onboard air right?!).

Someday I will actually get to the reload level. For now I will stick to sinking money at the range.

ANYWAY... :offtopic:

Yeah... I had a Scout II with the 345ci V8, but I never towed with it. It was my trail toy and constant project. My 94' Suburban was my big hauler until it was rear-ended.

Wow... 10psi to 12psi??? [MENTION=90026]JeremyB[/MENTION] was correct! Way too much weigh in the back. The U-Haul Trailers are notorious for not showing the load distribution at a glance because they are light trailers with heavy suspension (especially the dual axle ones).

...I can always justify OBA. Unfortunately, my budget disagrees with me. :pout:
 
I haven't tried the Firestones on the T4R but I had them on another vehicle to deal with constant load (not towing) and I blew them on both sides. Like not a tiny hole, I mean obliterated. On one side my mechanic made the air line a bit short so it was really hard to air up correctly. With the low low pressures that are recommended you really need a bike pump. I will say they replaced both bags but I wasn't about to put them on again...




As for towing with the T4R, I've towed a Benderup Single Horse trailer featuring inertia brakes with my wife's Off the track Thoroughbred in it several times. You feel it, and when he moves you definitely feel it! Never felt like a struggle but it wasn't ever 'easy' either....
I just installed the Timbren Suspension Enhancement System on my 2016 4runner. Local shop recommended it over air system.

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Had my (empty) Prolite Profile 14 weighted today... Little more than expected.

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Paper said dry weight 595kg (1312lbs) and the scale said 860kg (1896lbs)...
It's 580lbs more!

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Previous owner swaped the 1500lbs axle for a 3500lbs axle. Had to adjust the controller because the wheel locked when I was only trying to slow down...

Right now it's a little bit heavy on the hitch (250lbs) but with the water tank full I guess it will lower it. I will had a sway control, no weight distribution.

Overall the truck is pulling it well, it's not feeling like it is struggling or anything. First time I'm pulling something with electric brake, so far it's awesome, truck is staying mostly in 4th speed, sometimes go in 5th but seem to decelerate...

I want to make a one month road trip accros the USA so I'm happy I didn't bought a heavier trailer.
 
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