Dirk is gonna love this!
I might have another cvt problem starting to arise. m can't find where I posted that one. I'll try to look into that more and see if it's the same car.
Dirk is gonna love this!
I might have another cvt problem starting to arise. m can't find where I posted that one. I'll try to look into that more and see if it's the same car.
Last edited by Fummins; 02-12-2021 at 08:01 PM.
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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)
Dirk Diggler (07-07-2019),MetroMPG (07-05-2019)
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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)
Blackstone labs tests transmission fluid (info here). It would be interesting to see an analysis of untouched, factory CVT fluid at the point it is due for a recommended fluid change (is that 30K or 60K miles?!?). I'm thinking that a few CVT oil sample tests would paint a pretty good picture of what is going on inside these things.
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View my fuel log 2015 Mirage ES 1.2 manual: 52.2 mpg (US) ... 22.2 km/L ... 4.5 L/100 km ... 62.6 mpg (Imp)
Last edited by Fummins; 02-12-2021 at 08:01 PM.
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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)
Last edited by Fummins; 02-12-2021 at 08:01 PM. Reason: Yeah yeah
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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)
Public service announcement for our American neighbours: Don't forget that Fummins reports in Metric, so 128k on this CVT = 80k miles.
Mitsu's powertrain warranty in Canada goes to 160k km = 100k miles.
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View my fuel log 2014 Mirage ES 1.2 manual: 62.4 mpg (US) ... 26.5 km/L ... 3.8 L/100 km ... 74.9 mpg (Imp)
Toyota hybrid CVT's (AKA "power split devices") are actually a very different design compared to the JATCO ones.
The JATCO type in the Mirage primarily uses steel belts and variable diameter pulleys, plus a torque converter and 2-speed subgearbox to change ratios.
Toyotas (and Ford's) hybrids use actual gear sets directly connected to the various parts of the system (electric motor, generator & engine). In that sense, they're even simpler than a manual transmission (gears always stay meshed -- no shifting), which is one reason they're so reliable -- it's just gears turning in oil:
https://auto.howstuffworks.com/hybrid-car7.htm
Honda has switched to a geared CVT in its latest hybrids. Their hybrids used to run belt-and-pulley CVT's, but no longer.
Toyota has introduced a new variation of the belt-and-pulley style CVT for its conventional gasoline cars that uses a direct-geared "first gear" for responsiveness when starting from a stop. Then it shifts to the belt and pulleys after the car is moving. The new Corolla uses it.
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View my fuel log 2014 Mirage ES 1.2 manual: 62.4 mpg (US) ... 26.5 km/L ... 3.8 L/100 km ... 74.9 mpg (Imp)
Pryme (07-06-2019)
I checked the fluid again at noon and it's
Last edited by Fummins; 02-12-2021 at 08:01 PM.
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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)
Is hotter climates bad for the CVT? Does the CVT need an external cooler?
Fuel Log: Good enough
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