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Thread: Cvt failure at 223000kms / 138k miles (courier car, 2nd CVT failure in the fleet)

  1. #51
    Moderator Eggman's Avatar
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    Where's the MIVEC?


        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.2 mpg (Imp)


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    It looks like just the intake cam is adjustable. I didn't look into how it worked. Does the solenoid on the side of the head change oil flow to the cam adjuster thing? There wasn't much to see in plain view.

    Sorry for the upside down pics. Maybe a grownup can fix them?

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    Pics rotated .. better view.

    Name:  IMG_0383[MIVEC].jpg
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    Name:  IMG_0384[MIVEC-2].jpg
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    That is much simpler than what I expected. There's no 'swing cam' complication as shown in this video:



    Now I wonder what's in that there little can...

    Also it looks to me like the cams are pressed on.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.2 mpg (Imp)


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    It must work more like this:

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.2 mpg (Imp)


  9. #56
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    I'm wondering if the cold Canadian winters are having an effect on the CVT's long term. There is this warning in the owners manual. Even though temps may not be -20C, they may be cold enough consistently enough to create some excessive wear due to lubrication issues.

    Startability of continuously variable transmission(CVT) vehicles with an ambienttemperature of -4 F (-20 C) or lowerWhen the ambient temperature is -4 F (-20C) or lower, it may not be possible to startfrom a standstill even with the selector leverin the “D” (DRIVE) or “R” (REVERSE)position.This phenomenon occurs because the transaxlehas not warmed up sufficiently; it doesnot indicate a problem. If this occurs, placethe selector lever in the “P” (PARK) positionand let the engine idle for at least 10 minutes.The transaxle will warm up, and you will beable to start normally.Do not leave the vehicle during warm-upoperation.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 automatic: 40.6 mpg (US) ... 17.2 km/L ... 5.8 L/100 km ... 48.7 mpg (Imp)


  10. #57
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    Quote Originally Posted by inuvik View Post
    I'm wondering if the cold Canadian winters are having an effect on the CVT's long term. There is this warning in the owners manual. Even though temps may not be -20C, they may be cold enough consistently enough to create some excessive wear due to lubrication issues.

    Startability of continuously variable transmission(CVT) vehicles with an ambienttemperature of -4 F (-20 C) or lowerWhen the ambient temperature is -4 F (-20C) or lower, it may not be possible to startfrom a standstill even with the selector leverin the D (DRIVE) or R (REVERSE)position.This phenomenon occurs because the transaxlehas not warmed up sufficiently; it doesnot indicate a problem. If this occurs, placethe selector lever in the P (PARK) positionand let the engine idle for at least 10 minutes.The transaxle will warm up, and you will beable to start normally.Do not leave the vehicle during warm-upoperation.
    It's hard to say. There are about 6 cars that were all purchased around the same time. Only the highest mileage ones are having issues. They're all started in the same cold. I've only seen one not move instantly once when it was close to -40C(-40F). I started it and had to tried to move it within seconds. It didn't want to move without throttle so I just let it warm up for a few mins before trying again and all was good. Nothing works properly in -40.



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