The General Motors VT40 (MRG) continuously variable transmission has been produced by the American automaker since 2018 for front-wheel drive models based on the VSS-F platform, Chevrolet Malibu, Cruze. This transmission is designed for engines up to 250 Nm of torque and is known as the CVT250.
Specifications
| Type | CVT (continuously variable transmission) |
| Number of gears | ∞ |
| Type of drive | front |
| Engine volume, l | up to 1.5 |
| Torque output, Nm | up to 250 |
| Recommended oil | GM CVT Fluid |
| Oil capacity, liter | 8.6 |
| Partial replacement, liter | 5.0 |
| Maintenance | every 50 000 km |
| Gearbox lifespan, km | ~250 000 km |
| Weight, kg | 89 |
Gear ratios GM VT40
Using the 2020 Chevrolet Malibu with a 1.5-liter turbo engine as an example:
| Main | 1.763 |
| Range | 2.645 – 0.378 |
| Reverse | 5.1 |
Using
The transmission was installed on:
- Buick Encore GX 1 (9BYB) in 2019 – …;
- Buick Envista 1 (9BQB) in 2022 – …;
- Chevrolet Cruze 2 (J400) in 2018 – 2020;
- Chevrolet Malibu 9 (V400) in 2018 – …;
- Chevrolet Seeker 1 (VSS-F) in 2022 – …;
- Chevrolet Trailblazer 3 (9BYC) in 2020 – …
Disadvantages of the GM VT40 gearbox
- The main complaints on specialized forums are related to Start-Stop system failures;
- Dealers typically replace the system’s electric pump and its wiring under warranty;
- A number of cases of pressure regulator failure have also been described on forums;
- Other problems, such as delayed start-up, are resolved by updating the firmware.
