The Toyota Tundra has no mechanical locker or true limited-slip differential like its competitors, there is a feature called Auto LSD. The automatic limited-slip differential or Auto LSD system enhances traction by using the traction control system to control engine performance and braking when one of the rear wheels begins to spin. This system should be used only when wheel spinning occurs in a ditch or on a rough surface. The system can be used on 2WD mode on 4WD models. This Auto LSD feature can be found on those Toyota vehicles : - Toyota Tacoma - Toyota 4Runner - Toyota Tundra - Toyota RAV4 Note that it doesn't replace a true mechanical locker like those found on the Chevrolet Colorado!
Toyota offers the mechanical diff lock in the Offroad and Pro package of the Tacoma. Too bad the Tundra doesn't offer it because it's pretty useful when you're stuck. For its defense, the Tundra's ATRAC system is quite effective but only available in 4Lo
@@kevinschrader5 GM has the g80 locker which is a little better than a regular disc clutch operated lsd, the difference is that with the g80 the vehicle can have the tires off the ground or not touching any surface and it will engage both tires at a minimum spin, on the other side the lsd will need at least a minimum of friction with the ground on the tire that’s loosing traction so it can engage the other side of the axle, unless you have an A-trac system the vehicle will apply brakes on the same side in order to do the same function. In fact the g80 is not an lsd but a mechanical locker.
Until I saw this vehicle off-roading in the mountains I always thought the Tundra was garbage off-roader...it is not! This Auto LSD system in 4-low actually works great. I went with my buddies off-road club, and there were several Tundra Off-Road trucks and TRD Pro trucks, and every one of them operated like a champ. Of all the vehicles that got stuck or needed assistance not one of them was a Tundra. In 4-low this system is not bad at all.
@@myname9856yeah but ether way once that wheel lifts up it’s going to do the same thing at least if there’s a tire in the air the truck will go forward with atrac
This is a poor representation of what a 4x4 Tundra is capable of and of how it simulates a locker. You’re in 2wd, yet you show green arrows moving forward on the three wheels that aren’t on the rollers. How does this not mislead people? Yeah the 4x4 font is in red, but it’s still pretty unclear (obvious by reading the comments). Surely you know that ATRAC would pop this Tundra right out of all of the situations you’ve presented here (and far worse). Surely you know that this is ONLY activated in 4LO. This video makes it seem that you either don’t understand how the Tundra’s systems work or you’re intentionally showing it in a bad light.
You have to read the title: Auto LSD test on roller and off-road | It's NO locker!. And as an owner of a Tundra, you know that Auto LSD works only in 2wd. AND you KNOW it's not great. 4x4 was not an option on that demo :)
@@QuestionAuto1maybe if 4x4 wasn’t an option, your title shouldn’t say “Toyota Tundra 4x4” and your graphic on the left shouldn’t say 4x4 with three wheels looking like they have power and the 4th wheel in red holding the truck back. If the title said 4x2 and the graphic had no arrows on the front wheels and said 4x2 instead of 4x4, this video would make a lot more sense. Instead it just looks like you’re misleading people.
ATRAC works more aggressively in 4 Low like we would anticipate the system to work at all times; however, while in high range either 2, or 4 wheel drive the system requires more throttle to overcome the brake force, and higher gearing.
"Auto LSD"? I thought the whole point of regular traction control was to help put power to the wheels that need it. By stopping a spinning wheel it should do that anyways.
For all of you hating on the Toyota, most 2wd and 4wd trucks have an open rear diff standard (ford, chevy, dodge). Only a small % of Trucks are built with optional locking or lsd rears. At least Toyota included the electronic LSD standard on the 2g Tundra
Car Question My 2007 Jeep Liberty worked a whole lot better than this. Especially in 4Low it was insane. Currently drive a Mitsubishi Outlander and the AWD is crap compared to the Jeep’s traction.
Your graphic shows that the truck is in 4 wheel drive but from what I can see in the video it is still in 2 wheel drive. Very misleading. A real world test would be to be in at least 4 Hi but 4 Low would be better because if you are stuck or slipping who would leave it in 2 WD.
@@CarQuestion True but the rest of the ATRAC system kicks in and will get out out of the situation. The way they label the things is awful. Unless it is happening in the diff it should be called an LSD. It's really just one aspect of how the ATRAC system works. You can have one wheel completely off the ground and still get moving again. Just saying that what you are showing isn't a good representation of the trucks capabilities.
I believe the LSD function is meant for rain, ice, oil, or mud situations ON the road at road and highway speeds. On highways, the Limited slip would make driving around curves predictable and limit over and under steer. 4WD should be activated for offroad and climbing/crawling situations.
That works like shit . Way too much wheel spin /gear noise. Total garbage. It’s not a limited slip . It says “ off road “ on the side of the truck so why the one wheel peel ? You can’t even find a substitute for it unless you buy a complete diff and that gets expensive real quick when you have to buy a compressor, lines , all the wires and switches in the cab , and you need to get it all installed after . I’d be embarrassed putting this shit on youtube . What the fuk were you thinking? That vid only proves that is complete failure. Ya I drive a tundra but I’m getting pissed off with the nickel and dime shit with Toyota .
What's sad is even the brake modulated "LSD" systems employed by a lot of crossovers work much better than this. The Kia Sorento comes to mind, it walked right up these incline tests no problem at all, but this $50k purpose built offroad truck turns into a beached whale. Pretty embarrassing imo.
@@majortom4543 ram, ford, Chevy all have lockers available. I think all 4x4 GMs have a Detroit locker in them and Fx4 and raptor both come with selectable lockers and several rams come with selectable lockers. It’s crazy how the tundra doesn’t even have a mechanical LSD. Even the Tacoma TRD OR and TRD Pro have selectable rear locker.
yeah, it's called a real technical test! the one you do without the unpredictable off-road situation and terrain type. The kind of terrain that changes when you try to replicate an exact situation. With the roller, it's way more constant and reliable!
it sucks in my books. What kind of fake lsd is that... why the fck cant they use a simple mechanic LSD. They always want to control with electronics, supersonics.
Problem is, open differentials always have equal torque at both differential outputs (50/50 if you will). Once a wheel experience low grip, the other wheel can only generate as much torque as the weakest wheel can. Braking the spinning wheel sends torque to the opposite wheel, but half of the axles torque is wasted on the spinning wheel. A locker can send 0-100% of available torque to either wheel. Lift one off the ground and the other will get all the torque the axle can generate. Of course I’m excluding the torque used to spin the wheel freely which is little and counteracted by the opposite wheel having the same inertia. Not only that, but a locker is instantaneous in that it’ll maximize both wheels torque before spinning and continue to dynamically transfer torque while spinning. A traction control program cannot currently measure the torque transferred and just sees spinning wheels to brake.
limited slip differential implies something completely different than what is really happening here. If I had purchased a tundra under the pretense that it has an LSD, i'd be kind of ticked.
Wow. Toyota really needs to step up their game on their trucks. This ancient truck needs a full and complete redesign. Including offering new engines and a turbo v6 option. Also, a locking rear differential is a must. Toyota remains successful due to the impression of reliability. No amount of reliability can overcome a mediocre truck offering. This truck would have to have an exceptional amount of rebates to make me want to purchase it.
Ronnie Smith I have no doubt. Tundra worked the kinks out years ago. But I am not referring to the Toyota Tundra. I was more referring to the myriad of other issues like faulty cvt’s in the Corollas, leaking diffs in the Tacoma’s, burning oil in the Camry’s. These issues exist but as Toyota fans were not allowed to address them without being raked over the coals. I have no loyalty to any company. Just call it honest where I see it. Bottom line the Tundra is a great truck. There’s just a lot of better options imo.
Tundra should have added a rear locker to the 2wd models at the very least. this auto lsd is junk imo. they used to do that to the tacoma i believe some 2wd tacos came with an electronic locker
Toyota/Lexus as we know it. Not to mention the hybrid ones... Struggling so much in this simple test and in fact failing. Trucks like this should not be built with such compromises.
The Toyota Tundra has no mechanical locker or true limited-slip differential like its competitors, there is a feature called Auto LSD. The automatic limited-slip differential or Auto LSD system enhances traction by using the traction control system to control engine performance and braking when one of the rear wheels begins to spin. This system should be used only when wheel spinning occurs in a ditch or on a rough surface.
The system can be used on 2WD mode on 4WD models. This Auto LSD feature can be found on those Toyota vehicles :
- Toyota Tacoma
- Toyota 4Runner
- Toyota Tundra
- Toyota RAV4
Note that it doesn't replace a true mechanical locker like those found on the Chevrolet Colorado!
It's not as good as I thought it would be!
Isuzu
Toyota offers the mechanical diff lock in the Offroad and Pro package of the Tacoma. Too bad the Tundra doesn't offer it because it's pretty useful when you're stuck. For its defense, the Tundra's ATRAC system is quite effective but only available in 4Lo
Well no GM offers a locker either. It’s more like a limited slip
@@kevinschrader5 GM has the g80 locker which is a little better than a regular disc clutch operated lsd, the difference is that with the g80 the vehicle can have the tires off the ground or not touching any surface and it will engage both tires at a minimum spin, on the other side the lsd will need at least a minimum of friction with the ground on the tire that’s loosing traction so it can engage the other side of the axle, unless you have an A-trac system the vehicle will apply brakes on the same side in order to do the same function. In fact the g80 is not an lsd but a mechanical locker.
That took way too long to engage, not to mention the gear whine.
that sounds awful.
Until I saw this vehicle off-roading in the mountains I always thought the Tundra was garbage off-roader...it is not! This Auto LSD system in 4-low actually works great. I went with my buddies off-road club, and there were several Tundra Off-Road trucks and TRD Pro trucks, and every one of them operated like a champ. Of all the vehicles that got stuck or needed assistance not one of them was a Tundra.
In 4-low this system is not bad at all.
I'd rather have a true lsd any day of the week
I keep reading that the auto lsd function only works when you are not in four wheel drive though.
@@myname9856yeah but ether way once that wheel lifts up it’s going to do the same thing at least if there’s a tire in the air the truck will go forward with atrac
@@robertespinoza2740 no. The atrac may or may not divert enough power to the wheel with contqct.
@@myname9856 the lsd won’t move at all if the rear wheel is lifted up tho
Why not stay on the throttle?!?
This is a poor representation of what a 4x4 Tundra is capable of and of how it simulates a locker. You’re in 2wd, yet you show green arrows moving forward on the three wheels that aren’t on the rollers. How does this not mislead people? Yeah the 4x4 font is in red, but it’s still pretty unclear (obvious by reading the comments). Surely you know that ATRAC would pop this Tundra right out of all of the situations you’ve presented here (and far worse). Surely you know that this is ONLY activated in 4LO. This video makes it seem that you either don’t understand how the Tundra’s systems work or you’re intentionally showing it in a bad light.
You have to read the title: Auto LSD test on roller and off-road | It's NO locker!. And as an owner of a Tundra, you know that Auto LSD works only in 2wd. AND you KNOW it's not great. 4x4 was not an option on that demo :)
@@QuestionAuto1maybe if 4x4 wasn’t an option, your title shouldn’t say “Toyota Tundra 4x4” and your graphic on the left shouldn’t say 4x4 with three wheels looking like they have power and the 4th wheel in red holding the truck back.
If the title said 4x2 and the graphic had no arrows on the front wheels and said 4x2 instead of 4x4, this video would make a lot more sense. Instead it just looks like you’re misleading people.
@@whackityschmackitydo Since when do you own a Tundra?
This is painful to watch lol Anyone defending this needs their head checked
yeah idk what's up with that. my tundra has no issues in situations like these
ATRAC works more aggressively in 4 Low like we would anticipate the system to work at all times; however, while in high range either 2, or 4 wheel drive the system requires more throttle to overcome the brake force, and higher gearing.
Yep. My 2018 Tundra doing the same thing. 4 hi
ruclips.net/video/j3YLrNwccEg/видео.html
That thing whines worse than my 5 year old at bed time. C'mon Toyota you're better than this.
"Auto LSD"? I thought the whole point of regular traction control was to help put power to the wheels that need it. By stopping a spinning wheel it should do that anyways.
consider it a more agressive setting.
That is sad ! I like Toyota, but come the entire line up needs a refresh
Yeah, and they disappeared the FJ and the 4 Runner in Mexico. What kind of idiot does that?
Press the button then hold it for 10 more seconds til the 2nd light comes on
But why only in 2 wheel drive?
Watch a better operator here:ruclips.net/video/G5z0ae_nA4U/видео.html
For all of you hating on the Toyota, most 2wd and 4wd trucks have an open rear diff standard (ford, chevy, dodge). Only a small % of Trucks are built with optional locking or lsd rears.
At least Toyota included the electronic LSD standard on the 2g Tundra
I’m gonna get hate but maybe I’m old school but auto LSD’s are the dumbest thing. They work, don’t get me wrong but it’s not like an actual LSD.
They dont work in Tundras. and those who work still underperform a mechanical LSD i dont understand why they dont use them.
JEEP BLD (brake lock differential )system is way better
Yep but for a 2007 truck, it's acceptable :P
Car Question My 2007 Jeep Liberty worked a whole lot better than this. Especially in 4Low it was insane. Currently drive a Mitsubishi Outlander and the AWD is crap compared to the Jeep’s traction.
Keep Chrysler fiat 😂🤣
Your graphic shows that the truck is in 4 wheel drive but from what I can see in the video it is still in 2 wheel drive. Very misleading. A real world test would be to be in at least 4 Hi but 4 Low would be better because if you are stuck or slipping who would leave it in 2 WD.
Tyler Lucas red = negative
Green = positive
We test auto lsd ... it only work in 2wd
Glad to bring you back on the right track!
@@CarQuestion True but the rest of the ATRAC system kicks in and will get out out of the situation. The way they label the things is awful. Unless it is happening in the diff it should be called an LSD. It's really just one aspect of how the ATRAC system works. You can have one wheel completely off the ground and still get moving again. Just saying that what you are showing isn't a good representation of the trucks capabilities.
It is because it's a real test.
Hard and a good one.
I believe the LSD function is meant for rain, ice, oil, or mud situations ON the road at road and highway speeds. On highways, the Limited slip would make driving around curves predictable and limit over and under steer. 4WD should be activated for offroad and climbing/crawling situations.
Where we can buy those rollers?!
That works like shit . Way too much wheel spin /gear noise. Total garbage. It’s not a limited slip . It says “ off road “ on the side of the truck so why the one wheel peel ? You can’t even find a substitute for it unless you buy a complete diff and that gets expensive real quick when you have to buy a compressor, lines , all the wires and switches in the cab , and you need to get it all installed after . I’d be embarrassed putting this shit on youtube . What the fuk were you thinking? That vid only proves that is complete failure. Ya I drive a tundra but I’m getting pissed off with the nickel and dime shit with Toyota .
please can you do the Audi q5 2.0t 211ps 2009 in 0-100 and diagonal test🙏🙏
will ask our collaborators!
Trucks like this should just have mechanical diff lock instead of any kinda “auto” break system. Drivers should gain total control of spinning wheels.
What's sad is even the brake modulated "LSD" systems employed by a lot of crossovers work much better than this. The Kia Sorento comes to mind, it walked right up these incline tests no problem at all, but this $50k purpose built offroad truck turns into a beached whale. Pretty embarrassing imo.
@@92ASC Still a full sized pickup truck should count on true mechanical LSD. I dont understand why they do it.
Engineering at its best
@@majortom4543 ram, ford, Chevy all have lockers available. I think all 4x4 GMs have a Detroit locker in them and Fx4 and raptor both come with selectable lockers and several rams come with selectable lockers. It’s crazy how the tundra doesn’t even have a mechanical LSD. Even the Tacoma TRD OR and TRD Pro have selectable rear locker.
Of course they should. The catch is that these electronic auto systems are way cheaper to build.
Might not be perfect but the traction control is a lot better than nothing
Testing with a TRD sport not off-road. I think that makes a difference.
yeah, it's called a real technical test! the one you do without the unpredictable off-road situation and terrain type. The kind of terrain that changes when you try to replicate an exact situation. With the roller, it's way more constant and reliable!
@@CarQuestion he’s talking about the TRD Off-road option. Not taking this truck literally off road.
You kind of wonder if the auto LSD is just two-wheel drive atrac
It might not be a locker but it’s better than without it lol still cool I love my tundra
it sucks in my books. What kind of fake lsd is that... why the fck cant they use a simple mechanic LSD. They always want to control with electronics, supersonics.
Problem is, open differentials always have equal torque at both differential outputs (50/50 if you will). Once a wheel experience low grip, the other wheel can only generate as much torque as the weakest wheel can. Braking the spinning wheel sends torque to the opposite wheel, but half of the axles torque is wasted on the spinning wheel. A locker can send 0-100% of available torque to either wheel. Lift one off the ground and the other will get all the torque the axle can generate. Of course I’m excluding the torque used to spin the wheel freely which is little and counteracted by the opposite wheel having the same inertia. Not only that, but a locker is instantaneous in that it’ll maximize both wheels torque before spinning and continue to dynamically transfer torque while spinning. A traction control program cannot currently measure the torque transferred and just sees spinning wheels to brake.
The system is not useful in sand! Only on rucks area
You should try it on 4x4 mode, I hear about turn on 4wd will help the brake limited slip become more aggressive
No frame or drivetrain junk.
Slow.
limited slip differential implies something completely different than what is really happening here. If I had purchased a tundra under the pretense that it has an LSD, i'd be kind of ticked.
Why tho wouldn’t you be happy. It will still spin both rear tires and drift sideways in 4wd it will pull you out like it has front and rear lockers
👎👎👎👎
can you do this but with multiple wheels and 4Lo please?
too heavy for our rollers
sorry
@@CarQuestionit’s cuz they try making the tundra look bad everyone knows
Wow. Toyota really needs to step up their game on their trucks. This ancient truck needs a full and complete redesign. Including offering new engines and a turbo v6 option. Also, a locking rear differential is a must. Toyota remains successful due to the impression of reliability. No amount of reliability can overcome a mediocre truck offering. This truck would have to have an exceptional amount of rebates to make me want to purchase it.
Definitely don't want turbo v6 high strung motor in a full size truck.
The Tech Librarian that’s why I said option. For folks like you who prefer a traditional V8. Cheers
Definitely not a impression of reliability but a fact that Tundra is as reliable truck as you can get. Million miles trucks is as reliable as it gets.
Ronnie Smith I have no doubt. Tundra worked the kinks out years ago. But I am not referring to the Toyota Tundra. I was more referring to the myriad of other issues like faulty cvt’s in the Corollas, leaking diffs in the Tacoma’s, burning oil in the Camry’s. These issues exist but as Toyota fans were not allowed to address them without being raked over the coals. I have no loyalty to any company. Just call it honest where I see it. Bottom line the Tundra is a great truck. There’s just a lot of better options imo.
@@thetechlibrarian Ford has entered the chat ....
No wonder they sold under 5 thousand of these last month in all of North America..🤣🤣🤣
yeah because these trucks really go off road lol. Nobody takes a 47k truck off roading, and if they do they are crazy.
I'd take a Tundra over a Junk Ram anyday.
@@tewksburydriver8624 Never watched any RUclips off roading channels huh .
@@rydfree ... of course I have, what’s your point
Lol... Who's gonna take you seriously with a troll joke name like that. Dodge the worst trucks on the planet.
Tundra should have added a rear locker to the 2wd models at the very least. this auto lsd is junk imo. they used to do that to the tacoma i believe some 2wd tacos came with an electronic locker
toyota, about 20 years behind the times. "Setting low standards and failing to meet them."
Toyota/Lexus as we know it. Not to mention the hybrid ones... Struggling so much in this simple test and in fact failing. Trucks like this should not be built with such compromises.