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valkie Profile
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X-TRAIL NEWBIE
 


Date Registered: 04-2014
Location: Central Coast NSW
TOTAL POSTS: 91
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T31 gear change question


I have a 2010 T31 X trail auto and love it to death.
But when I go around some corners I have noticed that from a standing start it takes off great but goes into second gear too soon and sort of dies.
If I give it some gas it just changes up and off I go.
and if I take off with a bit of gas it goes great, its only when Im just easing it off the mark, it seems to change up too soon.

It does not do this when towing the boat, it seems to know it need the extra time in first, it only when its just me taking it easy.

Is this normal or am I being overly stupid.

I do tend to baby my baby and rarely give it much gas, it just don't need it, it runs beautifully and gets me around 9.5l/100k

Anyone have this concern?

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2010 T31 Series III 2.5 White Automatic CVT
A vehicles real purpose in life is to tow a boat
Guy Fawkes is my hero (Born 13/4/1570, Murdered 5/11/1605)
He was only trying to do the right thing
4/Sep/2015, 8:00 am Link to this post Send Email PM   Send Private Message Blog
 
valkie Profile
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Date Registered: 04-2014
Location: Central Coast NSW
TOTAL POSTS: 91
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Re:


So, I assume that no one has experienced this issue?

I have further researched it and now find that when I barely press the throttle, my baby moves off quite easily, but changes up too fast, this causes the motor to bog down and the only way to get it moving is to put my foot down harder, after which she leaps forward.
If I hit the accelerator with a bit more throttle she moves off and accelerates quite nicely.

Methinks she don't like being babied and prefers a bit of throttle to perform to her best.

Any comments, or do you lot just flatten the accelerator at each take orf?

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2010 T31 Series III 2.5 White Automatic CVT
A vehicles real purpose in life is to tow a boat
Guy Fawkes is my hero (Born 13/4/1570, Murdered 5/11/1605)
He was only trying to do the right thing
18/Sep/2015, 7:23 pm Link to this post Send Email PM   Send Private Message Blog
 
Dark Morelia Profile
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Date Registered: 11-2013
Location: Hervey Bay, QLD
TOTAL POSTS: 134
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Re: T31 gear change question


Nope, not just you! I've experienced the same thing where it will sometimes hit like a 'dead spot' and it just needs a few more revs to get out of it.
There's one particular turn at a set of lights mine does it on, where from a stop you turn left and start to go up a hill simultaneously, and my car just hates it, gets bogged down like it's gonna die if I don't keep the revs up.

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Drew - X-3425 My EXY
2012 T31 ST 4x4 CVT Series 5 - Precision Grey
Wishlist - ECB Big Tube bar
18/Sep/2015, 9:38 pm Link to this post Send Email PM   Send Private Message
 
valkie Profile
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Date Registered: 04-2014
Location: Central Coast NSW
TOTAL POSTS: 91
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Re:


Thats the one, I turn right up a slight hill.
The take off is done with little throttle and goes fine, but as I hit the hill it automatically goes up a gear and seems to bog down.
The extra revs and off she goes.

But with the boat on she don't do it because I use a bit more throttle to get the boat moving.

So its nothing unusual then?

---
2010 T31 Series III 2.5 White Automatic CVT
A vehicles real purpose in life is to tow a boat
Guy Fawkes is my hero (Born 13/4/1570, Murdered 5/11/1605)
He was only trying to do the right thing
19/Sep/2015, 5:36 pm Link to this post Send Email PM   Send Private Message Blog
 
Dark Morelia Profile
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Date Registered: 11-2013
Location: Hervey Bay, QLD
TOTAL POSTS: 134
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Re: T31 gear change question


I don't know to be honest. I just considered it an idiosyncrasy of the CVT, since I've never had a car with one before, only normal auto or manual.
I'd be interested to hear if more people have the issue or if it's anything to worry about.

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Drew - X-3425 My EXY
2012 T31 ST 4x4 CVT Series 5 - Precision Grey
Wishlist - ECB Big Tube bar
19/Sep/2015, 5:42 pm Link to this post Send Email PM   Send Private Message
 
mfeodoroff Profile
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Date Registered: 09-2012
Location: Brisbane
TOTAL POSTS: 309
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Re:


Mine does it too. I reported it to the dealer the first time I had the car serviced and got the ol' "that's normal" response. Interestingly, they (perhaps an apprentice) said it was just going into second gear. Pity the CVT doesn't have gears emoticon

I do find it does it more when throttle input is light, and there's a slight incline. I've come to expect it now, and just use the right pedal more judiciously if I don't want it to bog down.

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Mark (X-2639)
2011 ST Series IV 4x4 with CVT in Precision Grey
Cooper CS5s, Tinting, Towbar, Bonnet Protector.
Mods: Steering Wheel Lights, Bash Plates, DBA Slotted Rotors


20/Sep/2015, 6:32 pm Link to this post Send Email PM   Send Private Message Blog
 
DogTrail Profile
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Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:


Mine does not do that but I'm happy to make some guesses so that others can shoot them down in flames.emoticon

Mine's a 2011 IV model and it seems to have learned its ongoing behaviour from my very light touch on the pedals.

At a slightly heavier touch of pressure, the white beast launches from the traffic lights, throwing weight to the rear and leaving the twats behind (though it was trained to run lean and unexcited.)

As I understand it, the (intelligent?) system uses your previous use of the accelerator to determine the torque required at a given position.

That is not the same effect as opening the throttle from the accelerator pedals I once knew.

Once I got the hang of the that new electronic acceleration system, it worked for me - except on some hills - where I still find it necessary to revert to manual over-ride in the CVT box in order to accelerate up the hill at a reasonable rate.

At the lights? I leave 'em for dead.emoticon

Edit: I have not experienced any flat spots in the manual over-ride.

On long hills, the standard CVT response can be less than desired but a double hit of the accelerator usually fixes that.

Flipping to Manual always fixes that.:emoticon

Other owners may have different results as apparently the system is supposed to adapt to the driver.



Last edited by DogTrail, 13/Oct/2015, 10:34 pm


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2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
13/Oct/2015, 10:15 pm Link to this post Send Email PM   Send Private Message
 
silver01 Profile
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Date Registered: 10-2015
TOTAL POSTS: 20
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Re: T31 gear change question


Hi There , I believe it is due to CVT changing to too high gear ; these engines produce max torque @ 4500 rpm ( which is high for max torque), shift to manual mode always fixs the problem because it shifts to a lower gear.
.


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Bazz T31 08 2010 Xtrail ST-L
4Wd CVT
Petrol 2.5
Melbourne
18/Oct/2015, 2:26 pm Link to this post Send Email PM   Send Private Message Blog
 


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