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Thread: Engines & Transmissions Sticky Index (look here for good info)

  1. #11
    Moderator Eggman's Avatar
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    United States
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    Quote Originally Posted by Inferno.mirage15 View Post
    Any recommendations on an additional transmission fluid cooler I can get installed and working in conjunction with its original? 2015 Mirage CVT
    The Jatco JF015E (CVT-7) CVT used in the Mirage has a heat exchanger that is mounted within the transmission housing and is tied in with the engine coolant/antifreeze circuit. Just as an internal-combustion engine is most efficient when it is at it's full operating temperature, so is the CVT.

    I would advise against spending money on a transmission cooler as it's temperature is intended to be maintained with the engine. Instead consider using the money and effort in a transmission fluid replacement and filter change.

    Speck was a 2015 Mirage ES.

    Replaced with a 2022 Tesla Model 3 Long Range Dual Motor using the insurance payout & company Green Car incentive. No gas price anxiety, itís charged at home for around $4 - even less with solar. No oil or oil filter changes. No tune-ups - no spark plugs, engine air filters or squeaky snorkels. No rattly exhaust or emissions controls. No alternator, accessory belt, or timing chain. No piston slap or overpriced CVT. The benefits go on & on.

    Efficiency pays.


        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)

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    Daox (08-11-2018),Inferno.mirage15 (08-14-2018)

  3. #12
    Some Nissan's
    Last edited by Fummins; 02-12-2021 at 08:40 PM.


        click to view fuel log View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 37.7 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.3 mpg (Imp)

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    Inferno.mirage15 (08-14-2018)

  5. #13
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    I've drained and filled my fluid twice because I've been having some issues, whining and grinding noise when I foot the accelerator sometimes and at those times it's days where it's over a hundred degrees out, so in theory I imagined the Heat is what's causing the tranny issues.. to just today I spoke with a dealer service advisor and he talked about how the CVT doesn't really generate a lot of heat like the more common Transmissions out there and mentioned if there is a problem then it's probably within the clutches. And so I think I will redirect funds towards getting my coolant serviced. Currently at 91k and Counting

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