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Jupitor 2 Profile
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X-TRAIL FANATIC
 


Date Registered: 01-2009
Location: Newcastle Australia
TOTAL POSTS: 318
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Traction control/ESP


I was heading up to Lismore over the weekend, early start Saturday morning, nothing but rain from Bulahdelah on.
Reach a new section of long steepish uphill dual carriageway speed limit went from 80kph to 110kph, there was a caravan in front so I went into the right hand lane to over take and started gently accelerating, CVT changed into a lower gear think it went to around 3500 to 4000 rpms. Now it was wet when suddenly the front end started twitching/juddering I looked straight down at the dash and saw the traction control light flashing then just as quickly it all it all stopped and was back to normal, first time in all my driving has this happened, let alone on a straight uphill road.
Had me thinking what could have happened if I had no traction control.
I was watching Top Gear not to long ago when Clarkson was testing hot hatches, he was driving, rather fast, a rear wheel drive BMW down a straight very wet test track when the rear end twitched then just spun around several times ending in the padock. Not sure if he had disabled the ESP/ Traction control, but if that happened on a public road it would have been disastrous.


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Diamond White Series 1 T31 CVT Petrol
X-1111 (c)
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Garmin Etrex 10 for Geo-caching
26/Aug/2014, 10:24 am Link to this post Send Email PM   Send Private Message
 
Toddyh03 Profile
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X-TRAIL HOLIC
 


Date Registered: 08-2011
Location: Lalor Park, NSW
TOTAL POSTS: 1663
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Re: Traction control/ESP


Tyres getting a little worn Pete? If it's wet enough that's probably all it would take.

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Toddyh X-2048 (c)
New: Challenger
Old: 2010 T31 Diesel modified
My XTrail
26/Aug/2014, 10:44 am Link to this post Send Email PM   Send Private Message Blog
 
Jupitor 2 Profile
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X-TRAIL FANATIC
 


Date Registered: 01-2009
Location: Newcastle Australia
TOTAL POSTS: 318
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Re:


No tyres are reasonably new, they are 60/40 road/ off road tryes though.

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Diamond White Series 1 T31 CVT Petrol
X-1111 (c)
Bash Plates
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26/Aug/2014, 10:47 am Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


This could be your T31 trying to imitate the Lane Departure Warning feature which some of the T32 models now have emoticon

Seriously though, if you were in 2WD/Front wheel drive mode and not in AUTO mode, the traction control may have detected wheel slippage and was trying to adjust itself.

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26/Aug/2014, 1:08 pm Link to this post Send Private Message MSN Blog
 
MrMez Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 03-2011
TOTAL POSTS: 124
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Re:


Breaking traction on fwd is pretty easy, especially in the wet.
Cars generate lift at speed, so the faster you go, the less grip you have.
Tires also struggle to clear water the faster you go. It all adds up to a good chance of a momentary break in traction, which is what happened.

Spinning wheels is never ideal, but spinning front wheels is about as safe as it gets. Accidents usually occur when the fronts are spinning/sliding in a corner, and people turn too much. When the wheels do grip the car dives into the apex, and the overreaction to correct it sends the car wide and into a tree/curb etc.

Probably just needed a dab on brake from TC or a momentary engage of the rear wheels to stop it. I wouldn't worry.

My previous RWD car would break loose in the wet at any speed. The worst thing you can do is hit the brakes and upset the balance.
29/Aug/2014, 12:14 pm Link to this post Send Email PM   Send Private Message Blog
 
Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
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Re: Traction control/ESP


I was driving down to Mt Gambier along the coast road past Robe somewhere. It was August 2013 and the rain was incredibly heavy. The road was narrow with fields of water each side - felt like I was at sea!

The wind blew me a little off the edge of the road and the left wheels were in soft mud - at 100km/h!!

As the left wheels were in the soft mud the car started to to veer sharply left and felt like it would roll over.

The dash lights lit up like a Christmas tree and the car straightened itself up in an instant.

I'll swear this amazing car saved my life that day!!!

I suspect you had a small taste of its safety features and I had a big one!!

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2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

4/Jan/2015, 10:45 pm Link to this post Send Email PM   Send Private Message
 
Jupitor 2 Profile
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X-TRAIL FANATIC
 


Date Registered: 01-2009
Location: Newcastle Australia
TOTAL POSTS: 318
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Re:


Glad to hear it work so well for you, especially at 100ks in soft mud.

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Diamond White Series 1 T31 CVT Petrol
X-1111 (c)
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Garmin Etrex 10 for Geo-caching
9/Jan/2015, 7:54 pm Link to this post Send Email PM   Send Private Message
 
Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
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Re: Traction control/ESP


Thanks J2 - I still get goose bumps thinking about it!!

I'm still in awe of the stability control's serious effectiveness . . . emoticon

Last edited by Translucidus, 17/Jan/2015, 7:25 pm


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2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

17/Jan/2015, 7:24 pm Link to this post Send Email PM   Send Private Message
 
SofiesDad Profile
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X-TRAIL NEWBIE
 


Date Registered: 10-2014
Location: Rocky QLD
TOTAL POSTS: 10
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Re: Traction control/ESP


My novice question.
Is there any chance that the ESP would increase in sensitivity if all other conditions remain the same. Can it "learn" or auto-adjust over time?

Ok, some background:
Efficientgrip 225/60/17 all round at mid-life with similar wear. Rotated F2B & L2R, balanced and aligned two weeks ago. Same CQ roads.
This week I noticed in some corners with both 2wd and 4wd the ESP going off more than ever I've seen it before.

If the answer is no then I guess I'm still learning in a car from this millenium. In a past life I had a '78 2F Land Cruiser set up with 6" high walls in the front and 10.5" fats on the back. Rear diameter was a good 2" less than front. With a sawn-off tail pipe (no muffler ) that got left behind one night in a bad neighbourhood I had the ultimate road dragster emoticon But I never did a diff or box in five years of Andes mountain bashing
Had the Exy since Sept-2014, so maybe I'm still learning this touchy ESP?

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Andrew
X-3926
2011 ST 4x4, Snow Storm
Mods (me): Reverse Camera, steering LED's, nudge, bonnet protector, fogs, LED-parkers F&R.
(Previous) Alloys, mats, rails & rack, H&R tow.
22/May/2015, 11:36 pm Link to this post Send Email PM   Send Private Message Blog
 


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