The 1.4-liter turbo engine Geely JLB-4G14TB has been produced in China since 2019 for the Binyue, Binrui, Emgrand L, Emgrand S and Vision X6. There are two versions, G5 and G6, for the China 5 and China 6 emission standards; output is 141 hp and 235 Nm.
JLB-4G14T family: JLB-4G14T, JLB-4G14TB.
Specifications
| Production years | since 2019 |
| Displacement, cc | 1398 |
| Fuel system | distributed injection |
| Power output, hp | 141 |
| Torque output, Nm | 235 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 75.0 |
| Piston stroke, mm | 79.1 |
| Compression ratio | 9.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | DVVT |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.6 |
| Fuel type | petrol |
| Euro standards | China 5 / 6 |
| Fuel consumption, L/100 km (for Geely Binyue 2021) — city — highway — combined |
7.8 5.2 6.3 |
| Engine lifespan, km | ~250 000 |
The engine was installed on:
- Geely Binrui 1 (A06) since 2020;
- Geely Binyue 1 (SX11) since 2020;
- Geely Emgrand L 1 (FE-5) in 2020 – 2021, Emgrand L 2 (FE-6) since 2022;
- Geely Emgrand S 1 (FE-7) in 2020 – 2021, Emgrand S 2 (FE-8) in 2021 – 2024;
- Geely Vision X6 1 (NL-4) in 2019 – 2024.
Disadvantages of the Geely JLB-4G14TB engine
- No clear weak points have been found yet, but some owners have already had to replace the timing chain;
- The G5 and G6 versions use two incompatible sets of parts;
- Outside China, spare parts and used engines are scarce.
Frequently asked questions about the Geely JLB-4G14TB
How much power does the Geely JLB-4G14TB make?
The Geely JLB-4G14TB develops 141 hp and 235 Nm of torque.
How much oil does the Geely JLB-4G14TB take and which one?
Engine oil capacity: 3.6 liters. Recommended oil: 5W-30.
Does the Geely JLB-4G14TB have a timing belt or chain?
The Geely JLB-4G14TB uses a timing chain.
Is the Geely JLB-4G14TB turbocharged?
Yes, the Geely JLB-4G14TB is turbocharged.
Does the Geely JLB-4G14TB need valve clearance adjustment?
No, the Geely JLB-4G14TB has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Geely JLB-4G14TB last?
The typical lifespan of the Geely JLB-4G14TB is ~250 000 km with proper maintenance.
What is the fuel consumption of the Geely JLB-4G14TB?
Geely Binyue 2021: city 7.8, highway 5.2, combined 6.3 L/100 km.
What cars was the Geely JLB-4G14TB installed on?
Geely Binrui 1 (A06) since 2020; Geely Binyue 1 (SX11) since 2020; Geely Emgrand L 1 (FE-5) in 2020 - 2021, Emgrand L 2 (FE-6) since 2022; Geely Emgrand S 1 (FE-7) in 2020 - 2021, Emgrand S 2 (FE-8) in 2021 - 2024; Geely Vision X6 1 (NL-4) in 2019 - 2024.
What are the common problems of the Geely JLB-4G14TB?
No clear weak points have been found yet, but some owners have already had to replace the timing chain. The G5 and G6 versions use two incompatible sets of parts. All known problems.
What engines are related to the Geely JLB-4G14TB?
JLB-4G14T family: JLB-4G14T.





