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Old 08-07-2012, 03:27 AM   #31 (permalink)
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You need to remember that 4wd on Santa Fe isn't an on/off switch - it's a continuously variable control which varies the torque from 100:0 to 50:50. That's why you'd never notice it "kick" in.

Disengagement of the AWD lock at 30-40 kph is just a gradual reduction to the 100:0 point - but automatic engagement when slip is detected isn't disengaged.

Santa Fe 4wd is slower to operate than Subaru Outback or Land-Rover Freelander (LR2) but not by a lot.
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Old 08-07-2012, 06:20 AM   #32 (permalink)
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Good read, thanks
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Old 08-07-2012, 05:07 PM   #33 (permalink)
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I've had good luck with the AWD lock off-road, but I don't leave it locked all the time -- only when I'm on an incline. It's NOT locked-differential 4WD, but it does a good job keeping the wheels from slipping on inclines.
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Old 09-15-2012, 08:53 PM   #34 (permalink)
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So I still not sure on a couple of things...
when in the lock mode, form 0 - 30kms/hr.. is it a tru 50/50 like a subaru with all 4 wheels receiving power at same time, kinda like posi-traction for both front and rear axles ?
and then after that as it returns back to fwd at higher speed.. it only works like on demand, sending to grip when senses slipping.. ?
and if i turn off the traction control, and have it on awd lock, and under 30 kms... if it senses slipping in any wheel, will it stop sending power to that wheel and pick other wheels to send more power to ?

Asking also, cause I got stuck in mud last week and the fact that the awd lock disengages when I'm trying to give momentum going and some spinning going on, is not good...
my buddy said, he would see front left wheel turn and rear right wheel turn, while others did not and then the opposite would happen, as i was going back n forth rocking trying to get momentum to pull out of it..

in short is it positraction in rear when on lock awd under 30Km/h ? .. if not, that sucks...that's what i was told at dealer..still like my santa fe, but wanted real awd..to some degree...

and if traction control off, how does the system control all 4 wheels if slipping ? and stability control is still on if traction control is off ?
i believe the traction control portion is for cutting power if slipping..and does it turn itself back on if notices too much slipping ? even if i dont want it to ?
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Old 09-16-2012, 10:56 AM   #35 (permalink)
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Quote:
Originally Posted by Colt45 View Post
So I still not sure on a couple of things...
when in the lock mode, form 0 - 30kms/hr.. is it a tru 50/50 like a subaru with all 4 wheels receiving power at same time, kinda like posi-traction for both front and rear axles ?
and then after that as it returns back to fwd at higher speed.. it only works like on demand, sending to grip when senses slipping.. ?
and if i turn off the traction control, and have it on awd lock, and under 30 kms... if it senses slipping in any wheel, will it stop sending power to that wheel and pick other wheels to send more power to ?

Asking also, cause I got stuck in mud last week and the fact that the awd lock disengages when I'm trying to give momentum going and some spinning going on, is not good...
my buddy said, he would see front left wheel turn and rear right wheel turn, while others did not and then the opposite would happen, as i was going back n forth rocking trying to get momentum to pull out of it..

in short is it positraction in rear when on lock awd under 30Km/h ? .. if not, that sucks...that's what i was told at dealer..still like my santa fe, but wanted real awd..to some degree...

and if traction control off, how does the system control all 4 wheels if slipping ? and stability control is still on if traction control is off ?
i believe the traction control portion is for cutting power if slipping..and does it turn itself back on if notices too much slipping ? even if i dont want it to ?
The AWD system in the Santa Fe will be similar to the Subaru setup in their vehicles with the 4EAT. The AWD system will send power to each axle, not to each wheel. Subaru has their VDC system which brakes a slipping wheel to function like a limited slip on both the front and back. The Santa Fe's stability control system should do something similar *in theory*, in practice it may not be very useful. If you get bogged down sometimes its because that same stability system is cutting throttle so you can't really get going.

I know its not much comfort, but I keep a couple of old rubber all weather floor mats in my trunk along with my emergency bag. They will get wet and slippery fairly quickly when taken outside in rain/snow, but they work like a champ when you slide them under a stuck tire for that split second where all you need is a little bit more traction to get going. If I were in your position I would lock in the AWD, use the mats under the spinning wheels, and use the autostick feature to start up in second gear. The solutions are not perfect, but they are much better than being stuck. I wouldn't be surprised if the main problem with your getting stuck were the awful bridgestone tires that come with the Santa Fe. They are such trash.
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Old 09-16-2012, 11:23 AM   #36 (permalink)
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mine has the kumho kl21... but it was just after heavy rain fall here and the partial dirt/grass land i was going thru was very soft and car started to dig in and sind as went thru this one part...and I tried to keep momentum, but the traction control stopped that, otherwise i would have made it just with the awd lock...but once it stopped me, it just got worse.. i also may have been o.k. if after first time i stopped and tried again, i had realized to turn off the traction control...which i didn't till after few kicks at it...

I'll be putting on the hankook dynapro AT-m's in october..... will post pics and report on them.. but from lots of reading and consumer report website 3rd party testing, etc... these are pretty much the best... cooper at3 are a slight point higher, but due to comfort & noise ratings...where as the hankook has better ice and rolling resistance ratings... i'd rather have the little more noise and less comfort and gain better ice traction and better fuel costs...
also considering the nokian wrg2suv... winter sport tire... not at, but great tire with wider channels and 51psi rating.. should be decent as well and they claim it's still o.k. for light off roading...
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Old 09-16-2012, 01:13 PM   #37 (permalink)
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Good to hear you'll be putting better tires on. If you find yourself in a similar situation would love to hear if the better tires make the difference. It would also be fun to compare a 2011/2012 Santa Fe with the new Santa Fe Sport with their alleged torque vectoring, so see if whatever they have installed for vectoring function will help in this situation.
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Old 09-30-2012, 04:07 AM   #38 (permalink)
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Hello all, I currently have an issue with my 2010 Santa Fe Diesel auto transfer case. It has basically failed and the car is now at the dealers waiting for parts. The indicators were burning oil smell, which was some transfer case oil leaking out the seals onto the exhaust system, apparently from getting too hot and coming out the seals due to pressure. The oil was black and smelt disgusting.

It got towed to the dealer (250km's) and I am still waiting for the workshop to let me know what the problem was. Needless to say, have to wait for parts now from 2,000km away and should hopefully be driving again next Friday.

I downloaded the pdf file mentioned earlier in this thread and see the case has a clutch assembly and a chain drive. Is it possible the clutch has failed causing the oil to burn? I was doing highway driving at the time at towing a box trailer weighing about 600kg.

The car has 52,000km on it.

I can't find anything on the internet with anyone having the same problem and I am just concerned it may happen again. I have to drive the car 800km back to home with the trailer and can't have it fail again on the trip or at anytime over the life of the car.

Any info greatly appreciated.
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Old 10-13-2012, 01:44 PM   #39 (permalink)
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can't find if answer to this was given..
when you turn off the traction control, does it turn of the entire stability and traction control or stability control (that uses braking to assist in lateral slide) is still on? but the part that cuts power to wheels is turned off, so you can force a steady momentum when you want ?
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