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CVT jerk when go from stop
08-13-2010, 11:46 AM
#11
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I have spent some time driving my buddy's 3.0 CVT and noted that it tends to operate more smoothly if i let off the brake and let the car start rolling forward on it's own for just a moment, then hit the throttle. It seems that if the unit clutches itself or engages... however it is working... makes it smoother.
My buddy kept complaining of an abrupt jump while taking off, stating the car had a mind of its own. I noticed one day that he is a two-footed driver, braking with the left foot. I also noticed he wasn't FULLY off the brake before hitting the throttle. So what what happening is that the car was still in 'throttle cut-out mode' (foot on the brake more than a few seconds)as he was pressing the gas. Then when he fully released the brake, the car would go ahead and give him the requested throttle thus producing a jerk or buck of sudden power.
Once I pointed that out, he quit experiencing the problem.
My buddy kept complaining of an abrupt jump while taking off, stating the car had a mind of its own. I noticed one day that he is a two-footed driver, braking with the left foot. I also noticed he wasn't FULLY off the brake before hitting the throttle. So what what happening is that the car was still in 'throttle cut-out mode' (foot on the brake more than a few seconds)as he was pressing the gas. Then when he fully released the brake, the car would go ahead and give him the requested throttle thus producing a jerk or buck of sudden power.
Once I pointed that out, he quit experiencing the problem.
08-14-2010, 12:30 PM
#14
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It drives me nuts when people do that.
Everything I have read and was taught is that it is much less safe to drive an auto tranny with two feet. It is too easy for folks to confuse inputs in a panic situation. Especially those with a background in manual tranny where often the reaction should be two-feet-in during a panic stop or an off track excursion.
Everything I have read and was taught is that it is much less safe to drive an auto tranny with two feet. It is too easy for folks to confuse inputs in a panic situation. Especially those with a background in manual tranny where often the reaction should be two-feet-in during a panic stop or an off track excursion.
08-14-2010, 12:43 PM
#15
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Sorry, I disagree completely Redlightning. Much easier to press the wrong pedal, like the gas, in an emergency. Secondly, I have seen people who you can tell are two-footed drivers. Their brakes lights are on as they are driving along. It's a good way to go through brakes/rotors in a hurry.
I have yet to see a driving school that would teach a student to drive an auto with both feet. Why not? Because it's not right and not safe. I would suggest anyone driving like this should kick the habit
.
I have yet to see a driving school that would teach a student to drive an auto with both feet. Why not? Because it's not right and not safe. I would suggest anyone driving like this should kick the habit
.
Last edited by Old Dog; 08-14-2010 at 12:46 PM.
08-15-2010, 12:32 PM
#17
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well to each his own.. i drive with one foot myself, as that is how i was taught and have found it very difficult to learn. it is however indisputable that, should the need arise, you will stop the car faster when you already have one foot over the brake....
08-15-2010, 02:56 PM
#19
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. https://www.audiworld.com/forums/sho....php?t=2748703Take care.
02-16-2023, 07:07 AM
#20
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Multitronic problem after adaptation.