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 CVT(CHAT), User may share your exprience here.

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SUSMatrix
post Aug 12 2014, 01:45 PM

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Bro, your Mirage has lots of problems. ..doesnt mean other CVts also got problem...my Inspira 3 years plus, no problem...new Honda City also Cvt. ..

CVT is a hell lot more reliable compared to dual clutch/DSG etc. Like it or not, CVT is here to stay..Personally, I like CVT...hate the sudden shift shock of old TC box.

melvinho I thought your flywheel problem fixed? Now what GB problem??

This post has been edited by Matrix: Aug 12 2014, 01:47 PM
SUSMatrix
post Aug 13 2014, 10:43 AM

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QUOTE(lucifah @ Aug 13 2014, 10:32 AM)
first time i see overheated invecs III

i drive maintain at  5 - 6k rpm for very long time in manual mode oso so far no prob *touch wood*

but mine comes with a CVT cooler, which maybe explains some thing
*
Mine 3 years +....never see that symbol even when driving long distance.
But I heard the old slyphys have cvt overheat issues.....Inspira has actually improved Cvt cooler comapred to Lancer...
SUSMatrix
post Aug 13 2014, 10:46 AM

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QUOTE(melvinho @ Aug 12 2014, 04:07 PM)
Now is alternator problem.

Part change so far.
1) Rear Spoiler
2) Flywheel
3) Starter Motor
4) ABS Motor
5) Brake Master Pump
6) Alternator
LEMON.. I DRIVE LEMON.

My CVT stuck @ 2.5k RPM. I step the padel until floor also stuck @ 2.5k and burning smell came out.LEL.
*
I think yours is more like lemon car issue rather than CVT problem...
MR_alien....your Mirage has so many problems?

This post has been edited by Matrix: Aug 13 2014, 10:47 AM
SUSMatrix
post Aug 13 2014, 10:50 AM

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QUOTE(dstl1128 @ Aug 13 2014, 10:47 AM)
Even EPS motor can overheat and stated in the manual eg, If xxxx symbol appear, means EPS overheated; will harder to turn the steering, or stop one side and let it cool down; not for racing.

Most pple like drive 'auto' like put D forever even on stationary >30min.
*
Stationary > 30 min in D? Leg not tired pressing brake pedal? I always switch to N when stationary, etc at traffic lights.
SUSMatrix
post Aug 13 2014, 10:55 AM

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QUOTE(lucifah @ Aug 13 2014, 10:12 AM)
correct

case in example is the Mitsu INVECS III CVT and Nissan's X-tronic CVT

both are manufacatured by the same company - JATCO

both both have different "software" - i.e. the TCU (transmission control unit)

the INVECS III have bad rubber band effect on low speed acceleration

the X-Tronic has an improved experience
*
Maybe its a combination of both...my new City EarthDream CVt is even more responsuve than most AT b segment car like VIOS.

And yeah, can feel rubber band effect at low speed acceleration on my Inspira ,.while the new City, not noticeable at all.
SUSMatrix
post Aug 13 2014, 11:45 AM

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QUOTE(dstl1128 @ Aug 13 2014, 10:54 AM)
Very common. Saw it everytime with the brake light so bright on my face. That's why we have so many gearbox failure eg, DSG, CVT, AT, MT (not gearbox but clutch wear fast), yes even MT some pple just engaged in 1 and on the pressed on the clutch that long.
*
Actually, i never know what's the correct thing to do....glad my habits is the right one...LOL.

Dug some info with good explanation to share:

http://www.topgear.com.ph/features/columns...tuck-in-traffic

QUOTE(bananadriver @ Aug 13 2014, 11:45 AM)
some benefits of CVT, very smooth driving. You cannot get this with MT or old AT boxes, totally no jerking at all. Very nice to ferry loved ones. Another benefit of CVT is, can easily overtake cars on the highway at highspeeds, really effortless as the torque is accesible so easily.
*
Yep, for passenger comfort and normal driving, CVT is really gooding...no shift-shock nonsense....

This post has been edited by Matrix: Aug 13 2014, 11:46 AM
SUSMatrix
post Aug 13 2014, 12:22 PM

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QUOTE(bananadriver @ Aug 13 2014, 12:04 PM)
Yes, most younger people do not appreciate this factor. For those who ferry parents, grandparents, or babies, will really love this smoothness. They will praise your driving very good because no jerking. actually just thanks to CVT haha! babies drink milk also wont spill.
*
THIS. Guys, if want to impress your future mother-in-law with "driving skill", buy a CVT. brows.gif

I guess family man like us will appreciate CVT a lot more than vroom-vroom kaki. biggrin.gif

This post has been edited by Matrix: Aug 13 2014, 12:23 PM
SUSMatrix
post Aug 13 2014, 12:32 PM

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QUOTE(Icetea87 @ Aug 13 2014, 12:03 PM)
Here is my review for cvt transmission, i have been using it for 2.5 years. Car model saga flx 1.3.

- smoot ride, reads no 'push back' feeling when accelerate. When trying to overtake, you press down the gas pedal, rpm shoot up, maintain at 4k rpm but car speed climb too slowly. Power delivery was delayed for at least 2-3 seconds. Solution , switch to sat mode when driving in highway. Town drving in d mode.

- good for hill climb. Can maintain speed when climbing up hill but engine sound will be rough and harsh due to high rpm while climbing hill. Solution. Insullate the car with sound deadening material , but it is a saga so meh....

- jerky in the morning, traffic jam. Solution , let go brake, let the gearbox do the work, once u feel the car is rolling only you can start giving some gas. Or else it will jerk. Rubber band effect is  strong there.

- fuel saving ? Not really. 11-12l per km for a small car.
You can argue that is driver issue or traffic condition but for me this fuel consumption figure is alright but can be better.

I test drove the old sylphy n inspira. The rubber band effect is there. Maybe cvt is not for me but i just going to make use of what i have for now. I have yet to test drive the new city.
*
1) I don't think power delivery is that slow...it's just perception, more likely like 0.5 to 1 second. For my Inspira...going from 120km - 160km/h is really fast...My City also accelerate pretty fast. No complains at all...its more engine issue than CVT characteristic.

2) Engine rough sound - Again Engine issue....not CVT.

3) Jerkiness - This might be Punch CVT issue or need tuning....doesn't experience any jerkiness with Inspira or City.

4) FC - The gearbox can only do so much, if stuck in jam, any car also die....but Campro engine is known fuel sucker. However, if you put CVT in the similar cars, you can get better FC...ex: City vs VIOS vs Almera....City winrar in FC, as proven in PaulTan's test. All 1.5L engine, not the latest engines...VIOS especially ancient...LOL.


I think most of the things you highlight is an Engine issue rather than typical CVT characteristic for fair comparison.

This post has been edited by Matrix: Aug 13 2014, 12:38 PM
SUSMatrix
post Aug 13 2014, 01:42 PM

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QUOTE(lucifah @ Aug 13 2014, 12:58 PM)
TS started with his saga's cvt

and now it turned into a general CVT discussion
*
Mirage CVT lah...
SUSMatrix
post Aug 13 2014, 02:19 PM

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QUOTE(lucifah @ Aug 13 2014, 02:00 PM)
why so ekspensip?

i use petronas lubricants or whaterver they pump in that comes free with my car servicing

so cost is zero.
*
You got free service, apa lu mau compare wei...wait until free service over lar...then you will kecoh...btw...you sure they pump in correct CVT oil? Mitsu must use DIAQUEEN III, even Inspira also use DIAQUEEN III until they change it to Proton OEM brand, but clearly stated for Mitsubishi...(maybe they get better price, buy in bulk and then repackage). Petronas CVT oil? Dunno wor....pray later your CVT no koyak after warranty over....brows.gif

Same here for Inspira RM 2xx for CVT oil. Honda City is cheaper though, RM1xx only according to the maintenance schedule.

This post has been edited by Matrix: Aug 13 2014, 02:37 PM
SUSMatrix
post Aug 13 2014, 02:48 PM

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QUOTE(lucifah @ Aug 13 2014, 02:44 PM)
nah. my triton ATF change is more or less the same price. not surprised at all

what i am surprised is the labor charge - it is just a matter of opening the drain plug and filling in the correct amount of oil, and a new washer for the drain plug. they charge by the hour and usually an ATF change is a 30 min job (hence RM30)

maybe they use diaqueen. maybe they don't. never notice also. cvt koyak, then go buy new car. no car is meant to last forever.
*
Maybe his RM65 labor include changing engine oil and other stuff?? Proton charge me RM90 labor minimum everytime...change oil and CVT oil also included i think. But if no change CVT oil also RM90....you do at Mitsu or outside Workshop?

And yeah, not last forever, but i prefer my car not to die a premature death yah....sweat.gif
SUSMatrix
post Aug 13 2014, 02:55 PM

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QUOTE(lucifah @ Aug 13 2014, 02:53 PM)
mitsu sc.

*touch wood*
even honda SC cocked up with their city's cvt last time.
*
Yep...that is why everyone keeping high alert when it comes to CVT fluid replacement!!!! sweat.gif

I check the bottles at my Proton SC when they change my CVT oil...just to make sure no screw up. Later they put Saga CVT oil...Kanasai....you know lar...in bolehland SC, apa pun boleh.
SUSMatrix
post Aug 13 2014, 03:19 PM

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QUOTE(edison1437 @ Aug 13 2014, 03:17 PM)
if you change the CVTF frequently need no flush la waste of money only
*
I didnt flush wor...I change at 40k km...but 3rd year...sweat.gif...
SC didnt mentioned any flushing...hmm.gif

This post has been edited by Matrix: Aug 13 2014, 03:20 PM
SUSMatrix
post Aug 13 2014, 03:22 PM

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QUOTE(edison1437 @ Aug 13 2014, 03:20 PM)
i also changed mine at 40k but roughly 1 and half year of ownership
*
My mileage very low...supposely want to change at year 2...somehow forgot...

SUSMatrix
post Aug 13 2014, 04:04 PM

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QUOTE(melvinho @ Aug 13 2014, 03:25 PM)
i change earlier coz they reuse the cvtf while replacement of flywheels and starter motor
*
Change flywheel and starter motor affects gearbox??? hmm.gif...
SUSMatrix
post Aug 13 2014, 04:13 PM

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QUOTE(k!nex @ Aug 13 2014, 04:10 PM)
If not, how to take out the flywheel if you don't take out the gearbox ?
*
Ooh...i see, not really sure how the flywheel links to the GB!
SUSMatrix
post Aug 13 2014, 07:26 PM

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QUOTE(dares @ Aug 13 2014, 07:23 PM)
Crankshaft -> flywheel -> clutch / torque converter -> gearbox
*
Tq, sifu! notworthy.gif
SUSMatrix
post Aug 14 2014, 08:45 AM

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QUOTE(Icetea87 @ Aug 14 2014, 08:34 AM)
bro, thanks for the reply.

from the way i see it, inspira use engine and gearbox that was tune from mitsu. and the mitsu engineers get it right.

fuel consumption of my 1.3 campro really can fight with a 2.0 hahaha....thinking of it right now, make me think why i didn;t get the myvi or any older 1.8 or 2.0 used before i buy the saga. *regret*
*
Inspira sucks fuel in city also...normal about 7km/l for me coz I drive short distance and heavy jam at Bandar Utama/Ldp/Kota Damansara .Can go even lower when in stand still traffic....but since its 2.0l, ok lah.

Surely your saga is better?
SUSMatrix
post Aug 15 2014, 07:36 AM

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QUOTE(defg @ Aug 14 2014, 11:48 PM)
I owned 2008 Honda City VTEC (ex-car from 2008 - 2010)

I don't face any problem though (service at recommended milage), But I dare not say the durability cuz I wasn't using that long. Bought 2 years and sold because need to move to other countries.

The CVT experience

It is awesome for a 1.5 liter car, FC is nothing to complain.
I can manage to tail CAMRY 2.4 at high who is driving high speed (with CVT set to manual and driving at high rpm)

Overall, I said CVT is a good technology. That is why you can see that many cars are switching OLD GB to CVT GB

*CVT jz need to maintain it at recommended millage and remember to change to Neutral when you are at traffic light (I believe all cars are the same actually)
*
Bro...VTEC 2008 use 5AT box wor...your car the face is like Optimus Prime right?
SUSMatrix
post Aug 15 2014, 03:12 PM

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QUOTE(ultramankaiser @ Aug 15 2014, 12:19 PM)
I own a Honda City 2006 VTEC. No problem with my gearbox if you consistently change the CVT oil. CVT gearbox is much more durable, combined with lightweight and simple design. -> How I know? Coz I've opened up another City's gearbox. Don't expect everything to be forever new. Simple stuff like transmission oil and the O-rings should be replaced once in awhile. The shift solenoids in the CVT gearbox doesn't really go kaput. Just don't forget to change the oil. Nuff said.

user posted image
*
Wanna ask, when you change your CVT oil, did you do a full flush or just drain and change only? I am wondering if full flush is needed since some people mentioned they did it.

QUOTE(defg @ Aug 15 2014, 12:11 PM)
My City is last batch still VTEC with CVT 7 Speed (facelift from 2006 Model) and is a Thailand Spec smile.gif

I believe the one you are saying is the later model which using I-VTEC and Traditional AT GB
*
Yep, that's the one....front grille looks like the Autobot Leader Optimus Prime...LOL.

This post has been edited by Matrix: Aug 15 2014, 03:14 PM

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