The General Motors 5ET50 (MKV) hybrid automatic transmission was produced at the company’s factories from 2015 to 2019 and installed in the second-generation Chevrolet Volt and its Chinese modification, the Buick Velite 5. A separate version of this transmission was available for the Chevrolet Malibu 9 hybrid, designated MKE.
Specifications
| Type | hybrid automatic transmission |
| Number of gears | ∞ |
| Type of drive | front |
| Engine volume, l | up to 1.8 |
| Torque output, Nm | up to 400 |
| Recommended oil | ATF Dexron VI |
| Oil capacity, liter | 6.7 |
| Partial replacement, liter | 3.5 |
| Maintenance | every 80 000 km |
| Gearbox lifespan, km | ~250 000 km |
Gear ratios GM 5ET50
Using the 2018 Chevrolet Volt with a 1.5-liter engine as an example:
| Main | 2.64 |
| Range | n/a |
| Reverse | n/a |
Using
The transmission was installed on:
- Buick Velite 5 (D2UX) in 2017 – 2019;
- Chevrolet Malibu 9 (V400) in 2015 – 2019;
- Chevrolet Volt 2 (D2UX) in 2015 – 2019.
Disadvantages of the GM 5ET50 gearbox
- This is a fairly rare hybrid automatic transmission, and information about it is scarce;
- The transmission has eliminated all the major problems of its predecessor and rarely bothers;
- As before, most glitches are related to the control unit and can be fixed with firmware;
- Some owners have experienced problems with the gear selector;
- Also, due to its low position, this automatic transmission can be damaged on poor roads.
