VDC? what the hell does it do? - Page 3 - Nissan Armada Forum: Armada & Infiniti QX56 Forums
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post #21 of 24 Old 04-05-2014, 12:54 PM
08ArmadaSE
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The wife's armada's VDC stays on all the time for the wife. She doesn't like driving in the snow so it makes her feel a little better. In my titan, I basically turn it off anytime I am going to intentionally need wheel spin. So basically anytime I go off roading and anytime it snows. I don't like the feeling of my vehicle cutting off my throttle in the snow as there has been a couple times I've had to swing the back end around in a vehicle to avoid getting hit. Luckily I have never gotten stuck because I forgot to turn it off. But I have forgotten To turn it off and the truck stopped moving until I turned it off.


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post #22 of 24 Old 04-05-2014, 11:40 PM
liquid1
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Originally Posted by Benjamin Check View Post
Before I get new tires in the spring, I'm gonna turn it off and go drifting. Otherwise it stays on unless I want to slide the rear end in a turn.
Now that it will do if you cut the VDC off, Its still amazing at the Traction the Armada gets compared to other Suv's I have had and driven. it goes like a Tank.

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post #23 of 24 Old 04-06-2014, 03:39 PM
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Originally Posted by Nancy From Wisconsin View Post
I am still not sure about the VDC Button .... Off? for dry roads? On? for wet and snowy roads? If left on, on dry roads is it bad for the transmission? gas mileage, what are the risks? The light on the dash board can be distracting, and not knowing for sure what's best for my vehicle, not being 100% sure is uncomfortable.
Nah, just leave it alone and it's good to go. Turning it off is only good for playing around and getting a little wreckless.

- Bob
2005 Armada LE 4x4

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post #24 of 24 Old 03-26-2015, 03:16 AM
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vdc senses rotational tire slip. so if your right rear tire is spinning on snow, the vdc applies the brake to that tire to match the rotational speed of the left rear tire and forcing the car to apply torque to the other side tire. Madas don't have posi traction (sorely needed) or lockers, so it doesn't do much. If you have a 4 whl drive mada, that doesn't mean you get 4 wheels applying thrust at once. you get one front and one rear at a time- opposite sides, but since the car flips a coin to see which tires get torque when, the best you can hope for with the transfer case lock selected is right front and left rear, cycling to left front right rear, cycling back and forth. The vdc makes the slipping tires stop spinning so the vehicle can apply torque to the opposite two tires. If you turn it off, the left right cycle is random and you may get both right tires spinning followed by both left tires spinning. If you have two wheel drive all it does is reduce the rate of torque application so it doesn't slam from right to left.
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