New 5th gen... Big Mistake?

WCVanHorne

New member
I just bought a new 2012 SR5 but now realize I made a huge and very embarrassing mistake in terms of misunderstanding the 4WD tech. After many hours of research here and of 2010-12 brochures I now know where I went wrong.

We were really paying more attention to the seating, rear legroom, ground clearance, overall height, and cargo room which all seem like a good package for our needs on the 4runner. The SR5 was also good in that we didn't want the 3rd row seats at all and we had a tight budget. With all these factors coming together on the 4runner I somehow didn't bone up on what was going on with the 4WD tech. While test driving I of course realized it had the old school lever and all (2HI-4HI-4LO) but glossed it over as a retro "interface" rather than a glaring sign that there was no longer a center differential. I must have thought that locking only occurred in 4LO for simplicity or I just didn't see the lock button. I don't know.... These features don''t usually take a step back. Of course I noted the limited had full time AWD but I liked the idea of more control over 2WD vs. 4WD (I just didn't realize that differential was gone).

This completely idiotic oversight was partly caused because in 2010 the new 5th Gen SR5, up here in Canada, had the Torsen center differential and true multi-mode as noted in some reviews. I now see that in 2011 it was only in the higher trims and finally in 2012 the line-up is exactly like in the US. Of course, in hindsight, this alignment was probably the point. Too bad it didn't go the other way. :(

I know I should know better and taken a closer look at this aspect; but as a first purchase of a 4WD I didn't focus enough on the tech and this annoying shift from model year to year of the offering confused matters. I basically conflated multi-mode with part-time. Anyhow you can't possibly think worse of me than I myself do. I haven't even taken delivery yet and I feel like selling it and trying to find a 2010. :cry: I had rather assumed I'd leave it in 4WD for days/weeks at a time up here in Edmonton during the winter and on winter skiing/snowshoeing trips in the mountains. These activities involve sometimes frequent traction variations on unplowed residential roads, parking lots, icy arterials, dry highways, gravel roads etc. often within one 1/2 hour drive at speeds from 15-120 km/h.

The point of this post other than venting? Well the one thing I don't think I have run across yet is a good justification for this removal of the Torsen (in 2010 for the US and over the last two years up here)? The obvious is probably cost but were there possibly some durability or longevity issues with the Torsen? Also am I perhaps worrying to much about the odd skipping and handling when 4HI is left on during while driving in highly variable traction conditions? I guess I'm grasping at straws to see if I haven't made as bad a mistake as I fear.

I feel like telling the dealer to run me over at delivery to put me out of my misery :redbrick: and, although cash is tight, I am seriously thinking of asking what the penalty would be if I cancel...
 
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It was removed for cost reasons.

I don't understand this prevailing myth that you can't use part time 4wd on pavement? Just don't make tight U turns on dry pavement and you will have no problems.
 
There's no Torsen in 2010 SR5. Torsen is only in Limited in Canada and US. Personally I had no problem driving on Higways in 4Hi in my SR5, just need to be under 80 km/h to turn it on. Just need to remember to turn back to 2WD when pavement is dry.
 
Look at it this way......if you don't need it, you're not using it. When you do need it, engage, and don't drive over 62 mph. Easy peasy!
 
It was removed for cost reasons.

I wonder how much this actually saved since there was obviously the engineering and design done for the few years it was around here in Canada; it can only have been the manufacturing cost saved.

Is a non-Torsen transfer case at least a more durable/reliable beast?

I don't understand this prevailing myth that you can't use part time 4wd on pavement? Just don't make tight U turns on dry pavement and you will have no problems.

While I am certainly a noob here my understanding is there is obviously some wear and tear with the slippage and stress even on straight running with gentle curves. I used to drive stick all the time so I guess I can handle flipping in and out when entering/exiting an underground parking garage or dry area; although remembering to do it or timing it when turning and accelerating from a snow/ice covered side road, with a short radius 90, onto a dry road strikes me as a tricky PITA. My greater concern is the handling when kept on 4HI with highly variable traction conditions. Eg. What is the handling like on an intermittently snowy/icy highway at 100km/h? Don't the the micro skips/slips on curves or caused by slightly different tire circumference potentially lead to the vehicle breaking loose? Isn't this worse than just leaving it in 2WD?
 
I haven't even taken delivery yet and I feel like selling it and trying to find a 2010.

Why not talk to your dealer and pony up for a Limited v. taking the hit on the one you just bought. If you haven't taken delivery, I'm sure they'd be happy to upsell you into a Limited.
 
While I am certainly a noob here my understanding is there is obviously some wear and tear with the slippage and stress even on straight running with gentle curves. I used to drive stick all the time so I guess I can handle flipping in and out when entering/exiting an underground parking garage or dry area; although remembering to do it or timing it when turning and accelerating from a snow/ice covered side road, with a short radius 90, onto a dry road strikes me as a tricky PITA. My greater concern is the handling when kept on 4HI with highly variable traction conditions. Eg. What is the handling like on an intermittently snowy/icy highway at 100km/h? Don't the the micro skips/slips on curves or caused by slightly different tire circumference potentially lead to the vehicle breaking loose? Isn't this worse than just leaving it in 2WD?

I think you are over thinking it. It's not like you turn into a garage and your axles explode, or the rear end is going to break loose at 100kph and send you spinning.

In the parking garage, your tires will still be wet and easily break traction, making it a non-event. At higher speeds you will have the same thing, and intermittent slippery conditions allowing the tires to slip in tiny amounts.
 
Personally I had no problem driving on Higways in 4Hi in my SR5, just need to be under 80 km/h to turn it on. Just need to remember to turn back to 2WD when pavement is dry.

When you do need it, engage, and don't drive over 62 mph. Easy peasy!

I was having a look around but didn't immediately find the owner's manual or a unequivocal declaration the max speed in 4HI. Is it seriously only 100km/h? This combined with having to be under 80 km/h to turn it back on is rather a problem. I don't know often people here drive the highways and freeways in the Alberta/BC Rockies and out on the Northern Prairies but it is quite safe and reasonable to drive in variable traction conditions from 70 km/h to 120 km/h within a few dozen km and several minutes depending on hills, straightaways, curves, etc. That's a lot of shifting in and out. If I'm heading out for Jasper or Banff on a mixed condition freeway it would be nice to leave on for long periods and have that front wheel traction that I'm used to if you hit some intermittent drifts or to pull though some surprise crud. I am coming from a FWD minivan with good studded winter tires and heck I sometimes briefly hit 110+ km/h on some familiar straightaways on snowy gravel back-roads and ski-hill access roads.
 
Why not talk to your dealer and pony up for a Limited v. taking the hit on the one you just bought. If you haven't taken delivery, I'm sure they'd be happy to upsell you into a Limited.

Oh I'm sure they would love to upsell me as for some reason there are more limited (and upgrade) around. However, as mentioned, we *really* don't want the 3rd row seats. It's also at least $10k more with all the leather, audio, moonroof, & nav junk. Oh and we also didn't want that moonroof as we are tall and it shaves about an inch off the headroom.
 
My opinion: if you're comfortable driving 120 km/h (75 mph) then you don't need 4wd engaged. 4wd only helps you accelerate (from a stop or while moving). 4wd does not help you stop and has marginal if any impact on steering at high speeds. And on slippery roads, stopping is the challenge. I've driven 10's of thousands of miles on snowy, icy roads with part-time 4wd and never felt the need to constantly have 4wd engaged. Read the road, pay attention to other drivers (your biggest threat), always look for an out, don't make sudden jerky movements, and be prepared to stop. You have obviously spent lots of time driving in snowy conditions and probably know all of this all too well, just don't let 4wd make you overconfident. I think the SR5's part-time system is perfectly fine.
 
Completely agree with scanny, 5th Gen SR5 did not have Torsen.

Although that would probably make me feel a little better I have seen it referenced in reviews and right from the 2010 brochure standard SR5 in Canada:

Vehicle Stability Control (VSC) w/Active Traction Control (A-TRAC),
Downhill Assist Control (DAC), Hill-Start Assist Control (HAC), Automatic
Disconnecting Differential, Multi-Mode One Touch 4WD System

as compared to 2010 US:

( http://www.hamertoyota.com/media/ebrochures/10_4runner.pdf )

Part-time 4WD with Active Traction Control (A-TRAC )

2011 Canada:

Part Time 4WD System, Vehicle Stability Control (VSC)6 w/Active Traction Control (A-TRAC), Downhill Assist Control (DAC), Hill-Start Assist Control (HAC), Automatic Disconnecting Differential, Fuel Tank & Transfer Case Protector Plates

and 2012 Canada:

Part Time 4WD System, Vehicle Stability Control (VSC)5 w/Active
Traction Control (A-TRAC), Downhill Assist Control (DAC), Hill-Start Assist Control (HAC), Automatic Disconnecting Differential, Fuel Tank & Transfer Case Protector Plates
 
My opinion: if you're comfortable driving 120 km/h (75 mph) then you don't need 4wd engaged. 4wd only helps you accelerate (from a stop or while moving). 4wd does not help you stop and has marginal if any impact on steering at high speeds. And on slippery roads, stopping is the challenge. I've driven 10's of thousands of miles on snowy, icy roads with part-time 4wd and never felt the need to constantly have 4wd engaged. Read the road, pay attention to other drivers (your biggest threat), always look for an out, don't make sudden jerky movements, and be prepared to stop. You have obviously spent lots of time driving in snowy conditions and probably know all of this all too well, just don't let 4wd make you overconfident. I think the SR5's part-time system is perfectly fine.

All great points that I live by. I'm just a little leery of leaving it in 2WD (RWD basically) in variable conditions. As mentioned I've occasionally enjoyed the directional "pull" of FWD (and my good tires) when running though the occasional small drifts and crud that suddenly show up. Obviously there often isn't time to decelerate and engage 4WD for these sudden resistance and power though events.

If I decide to run <sic> with this SR5 I'm going to have to snoop around here a bit more and see what studded winters people were running. I'm leaning towards the 'Nokian Hakkapeliitta 7 SUV'.
 
There apparently was in 2010 in Canada. I can't attach the older brochure pdfs since they are too large but here are a couple links so you can see the evolution:

http://www.chtoyota.ca/models/pdf/Toyota/2010/104runner_e.pdf
http://mediap04.toyota.ca/media/pdf/114runner_e.pdf


Certainly true now for 2012 and also no 2WD as far as I understand.

C'mon, I have 2010 SR5, this was a first year or 5th gen and there was no option of full-time 4x4 for SR5. Not in the Toyota brochures in dealeship or toyota.ca. Not in the lots. At least not in August 2010 when I bought my truck. I haven't heard anybody on this forum have SR5 with torsen. So I think you can safely forget about Full-time 4x4 in 5th gen SR5.

I was a little bit uneasy about part time 4x4 too - I came from Fords with option of Auto 4x4 - but I didn't want to pay $10,000 more for the Limited. So I decided that for $10K I will switch it on and off when needed. I still would prefer to have Torsen, but I discovered that I can live with part-time just fine. And I was driving in 4HI at 120 km/h on mixed conditions higways with no problem. By the way even in 2WD 4Runner feels adeaqute in light snow with good tires. Here in Ontario we have pretty bad snow sometimes and we went to Quebec and Vermont for skiing few times since I got T4R I can honestly say that felt pretty comfortable with part time 4x4 so far. If I was to buy a new truck now, I'd rather would look at Trail Edition than Limited, but so far I'm fine with my SR5.
 
I think you are over thinking it. It's not like you turn into a garage and your axles explode, or the rear end is going to break loose at 100kph and send you spinning. In the parking garage, your tires will still be wet and easily break traction, making it a non-event. At higher speeds you will have the same thing, and intermittent slippery conditions allowing the tires to slip in tiny amounts.

Assuming I stay the course this is probably something I will then have to get used to. EG. Turning onto the dry road and getting a little "hop" before I drop it out of 4WD. I guess it's the comfort level that having this happen is not damaging anything.

On the highway side I guess I will also have to get a feel for any handling oddities in 4WD at high speed and/or limitations in 2WD (RWD). I still have to track down the official upper speed limit for 4WD. Am I correct that those of you with owner's manuals don't see it? Or is the previously reference 62 mph / 100 km/h?

BTW thanks for all the responses from everyone so far. :thumb3: Talking this through is a real help. Although not as much as a Torsen SR5 would have been. <sigh>
 
On the highway side I guess I will also have to get a feel for any handling oddities in 4WD at high speed and/or limitations in 2WD (RWD). I still have to track down the official upper speed limit for 4WD. Am I correct that those of you with owner's manuals don't see it? Or is the previously reference 62 mph / 100 km/h?

You're correct, there is nothing about maximum speed in 4hi. Manual says this:

Shifting from H2 to H4
Reduce vehicle speed to less than 50 mph (80 km/h).
Shift the front-wheel drive control lever to H4.
The four-wheel drive indicator will turn on.
n Shifting from H4 to H2
Shift the front-wheel drive control lever to H2.
This can be done at any speed.
The four-wheel drive indicator will go off


If you never drove 4WD before th oddity will be just one - you won't feel that it's slippery in 4x4 mode unless you try to stop. So you have to be extra careful in 4HI : )
 
C'mon, I have 2010 SR5, this was a first year or 5th gen and there was no option of full-time 4x4 for SR5. Not in the Toyota brochures in dealeship or toyota.ca. Not in the lots. At least not in August 2010 when I bought my truck. I haven't heard anybody on this forum have SR5 with torsen. So I think you can safely forget about Full-time 4x4 in 5th gen SR5.

Well if you have a 2010 there's no arguing with that. Makes me wonder what was up with the 2010 & 2011 brochures and the reviews/comments I've run across around the net. Maybe they were just regurgitations of inaccurate brochures? Is yours actually a Canadian model or did you import from the US? Next time I see a used one for sale up here I should swing by just to take a look. I would find it easier to live with myself if this 5th Gen multimode SR5 never existed.


I was a little bit uneasy about part time 4x4 too - I came from Fords with option of Auto 4x4 - but I didn't want to pay $10,000 more for the Limited. So I decided that for $10K I will switch it on and off when needed. I still would prefer to have Torsen, but I discovered that I can live with part-time just fine. And I was driving in 4HI at 120 km/h on mixed conditions higways with no problem. By the way even in 2WD 4Runner feels adeaqute in light snow with good tires. Here in Ontario we have pretty bad snow sometimes and we went to Quebec and Vermont for skiing few times since I got T4R I can honestly say that felt pretty comfortable with part time 4x4 so far.

Thanks for the real world feedback! Good to know 4HI is OK in the 120km/h range and you didn't have any adverse handling. :thanks:

Anyone else do high-speed driving in 4HI out there?
 
Makes me wonder what was up with the 2010 & 2011 brochures and the reviews/comments I've run across around the net. Maybe they were just regurgitations of inaccurate brochures?

I don't know what the Canadian realities were, but there was a lot of erroneous information published just prior the the 5th gen launch even on the Toyota website. For example:

ToyotawebsiteTEerrorMedium.jpg~original


Full-time 4WD is mostly a luxury. If you simply stick with a "use when you need it" system for traditional 4wd, you'll be just fine. Keep it in 2wd, otherwise, for better steering and control.
 
You're correct, there is nothing about maximum speed in 4hi. Manual says this:
...

Thanks!

If you never drove 4WD before th oddity will be just one - you won't feel that it's slippery in 4x4 mode unless you try to stop. So you have to be extra careful in 4HI : )

:D

Yup. I often drive by full size Pickups and SUVs in the ditch with my *Yaris* (studded winter tires of course). We all have 4WB(reaking). Tires, tires, tires. People buy a 50k+ tricked out 4x4 and then won't spend $1000-1500 on the only few square inches that touch the earth... Crazy. :shrug:
 

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