Engine GM LIH

The General Motors LIH 1.2-liter 3-cylinder turbo engine has been produced in Korea since 2019 and is installed on crossovers based on the VSS-F platform, such as the Buick Encore GX and Chevrolet Trailblazer 3. There are modifications of this unit for the Opel Astra under the F12SHL, F12SHT, F12SHR indices.

E-Turbo family: LIH, L3T.


Production years since 2019
Displacement, cc 1193
Fuel system direct injection
Power output, hp 137
Torque output, Nm 219
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 75
Piston stroke, mm 90
Compression ratio 9.5 – 10.0
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator DCVCP
Turbocharging yes
Recommended engine oil 5W-30
Engine oil capacity, liter 4.0
Fuel type petrol
Euro standards EURO 6d
Fuel consumption, L/100 km (for Buick Encore GX 2021)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 102

The engine was installed on:

  • Buick Encore GX 1 (VSS-F) since 2019;
  • Buick Envista 1 (VSS-F) since 2022;
  • Chevrolet Trailblazer 3 (VSS-F) since 2020;
  • Chevrolet Trax 2 (VSS-F) since 2023.

Disadvantages of the GM LIH engine

  • On specialized forums, it is scolded for noises, vibrations and glitches of the Start-Stop system.
  • Like all direct injection engines, it suffers from carbon deposits on the intake valves.
  • Since it has a timing belt in an oil bath, you need to change the lubricant as often as possible.
  • You can still find many complaints about the operation of the EVAP fuel vapor recovery system.

1 thought on “Engine GM LIH”

  1. Is the LiH engine optimally tuned? I have a hunch that increasing the boost by a mere 1lb would resolve a lot of customer concerns. It’ll increase the HP by 20%, which would be in line with the competition, and increase fuel economy by 4-5mpg.

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