Vehicle
Chevrolet Volt
Not a plug-in hybrid in the ordinary sense, and calling the engine a range extender undersells what it does. The Voltec drive has two motors and a planetary set, and above certain speeds the petrol engine can contribute mechanically to driving the wheels rather than only generating — so a driveability complaint cannot be reasoned about as though the engine and the wheels were unconnected. Sold as the Opel and Vauxhall Ampera in Europe. The engine running when the battery is not empty is usually normal rather than a fault: the car starts it to warm the cabin, to keep fuel from going stale, and to protect the engine in cold weather, and each of those has its own conditions worth checking before anything is diagnosed.
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Generations
-
First generation 2010–2015
Voltec: two motors and a planetary set, with the engine able to drive the wheels at speed.
- Body styles
- Hatchback
- Platform
- GM Delta II
- Engines
-
- 1.4 with 16 kWh battery — A14XFL · plug-in hybrid · 63 kW (84 hp) · 126 Nm (93 lb-ft) · Voltec
- Transmissions
- e-CVT
- Drivetrain
- Front-wheel drive
-
Second generation 2016–2019
A larger 18.4 kWh pack and a new 1.5; the same two-motor Voltec principle.
- Body styles
- Hatchback
- Platform
- GM Delta II
- Engines
-
- 1.5 with 18.4 kWh battery — plug-in hybrid · Voltec
- Transmissions
- e-CVT
- Drivetrain
- Front-wheel drive
Service information
Information, not instruction
CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.
Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
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