Continuously Variable Transmission (CVT)
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Thread: Continuously Variable Transmission (CVT)

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    Continuously Variable Transmission (CVT)

    hey, who has some real experience with these transmissions?
    My mechanic said how they are problematic and he doesn't recommended it, since he said the clutch tends to fail, gears slip, acceleration is bad at times.
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    One Bad Mama Jama!!! Haw'N Si's Avatar
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    Hmmm, ...only problems I heard from independent mechanics were how expensive it was to purchase the tools for working on them, ...which in turn leads to lost jobs, ...which of course leads to them bad mouthing them.

    As for at the dealership, I haven't heard of any problems. Of course as with anything mechanical, ymmv, ...but CVT's contain less moving parts, are lighter, more robust, and have been around a lot longer (since the 1400's) than your conventional automatic transmission. I see much more people with problems with their autoslushbox's. Again though, ymmv.
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    Quote Originally Posted by Haw'N Si View Post
    Hmmm, ...only problems I heard from independent mechanics were how expensive it was to purchase the tools for working on them, ...which in turn leads to lost jobs, ...which of course leads to them bad mouthing them.

    As for at the dealership, I haven't heard of any problems. Of course as with anything mechanical, ymmv, ...but CVT's contain less moving parts, are lighter, more robust, and have been around a lot longer (since the 1400's) than your conventional automatic transmission. I see much more people with problems with their autoslushbox's. Again though, ymmv.
    ...If what you said is true, in time CVT's should be a problem with more and more vehicles to come with them, thus stepping up the demand for people to repair them when needed. So those mechanics that dont have these special tools will see it as an investment if purchased
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    CVT should stay with my skidoo
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    Senior Member Talon's Avatar
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    Has anyone on here had a bad experience with these first hand?
    which models does this come in?
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    Senior Member TaiLuu's Avatar
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    CVT is bad for acceleration. Very slow acceleration, its like theres one gear and the ratio is 0.9845:1 or something lol.
    And When you do accelterate sometimes it feels like the clutch is slipping the rpms go up but you don't feel the torque of the motor. I would hate to rebuild a CVT. I heard you shouldn't rebuild it.
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    Senior Member Talon's Avatar
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    hmmm, doesnt sound good at all. but somethings not right here.....there's has to be something good about them right? or why would they use them??
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    Quote Originally Posted by TaiLuu View Post
    CVT is bad for acceleration. Very slow acceleration, its like theres one gear and the ratio is 0.9845:1 or something lol.
    And When you do accelterate sometimes it feels like the clutch is slipping the rpms go up but you don't feel the torque of the motor. I would hate to rebuild a CVT. I heard you shouldn't rebuild it.
    I disagree. I have an Altima 3.5SR with CVT and haven't had any problems with it. Acceleration is fast and smooth and I COULD feel the torque. It just doesn't have the jolt that many enthusiasts love when they downshift because the power delivery of the CVT is so refined. CVTs aren't new technology, but the ones in recent Nissans seem to have been engineered well and aren't plagued by the rubber-band like acceleration older CVTs seem to produce.
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    Enthusiasts don't have to worry about it anyway, the Hybrid is the only one with this transmission.

    If I floor my car it stands up at 5k rpm and just gets faster, and faster, it's no Si, but it can move when I need it to. Though I plan ahead and drive for conditions, so my fastest acceleration I need is ~2k rpm, aveage accels happen at 1500, unless I'm getting on a freeway then it's 2k all the way.
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    Senior Member TaiLuu's Avatar
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    Quote Originally Posted by mobiusrain View Post
    I disagree. I have an Altima 3.5SR with CVT and haven't had any problems with it. Acceleration is fast and smooth and I COULD feel the torque. It just doesn't have the jolt that many enthusiasts love when they downshift because the power delivery of the CVT is so refined. CVTs aren't new technology, but the ones in recent Nissans seem to have been engineered well and aren't plagued by the rubber-band like acceleration older CVTs seem to produce.
    It seems different for me. Maybe its cause I'm way to use to Manual Trannys




    Quote Originally Posted by GCustom View Post
    Enthusiasts don't have to worry about it anyway, the Hybrid is the only one with this transmission.

    If I floor my car it stands up at 5k rpm and just gets faster, and faster, it's no Si, but it can move when I need it to. Though I plan ahead and drive for conditions, so my fastest acceleration I need is ~2k rpm, aveage accels happen at 1500, unless I'm getting on a freeway then it's 2k all the way.
    It kills me to see me RPM a 2k on a downhill with no throttle. Such a Waste of gas!!!
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