The 2.0-liter Geely JLH-4G20TD turbo engine has been produced at the Chinese plant since 2018 and is installed on the popular Preface sedan, Xingyue S crossover and many Lynk & Co. models. This power unit is essentially a modification of the famous Volvo B4204T19 engine.
JLH family: JLH-3G15TD, JLH-4G20TD, JLH-4G20TDB, JLH-4G20TDJ, JLH-4G20TDC, JLH-4G20TDG.
Specifications
| Production years | since 2018 |
| Displacement, cc | 1969 |
| Fuel system | direct injection |
| Power output, hp | 190 |
| Torque output, Nm | 300 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82 |
| Piston stroke, mm | 93.2 |
| Compression ratio | 10.3 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | on all shafts |
| Turbocharging | BorgWarner K03 |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 5.6 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Geely Preface 2022) — city — highway — combined |
9.0 5.5 6.7 |
| Engine lifespan, km | ~300 000 |
The engine was installed on:
- Geely Preface 1 (FS11) since 2020;
- Geely Xingyue 1 (FY11) in 2021 – 2023;
- Lynk & Co 02 I (CC11) since 2018;
- Lynk & Co 03 I (CS11) since 2018.
Disadvantages of the Geely JLH-4G20TD engine
- No serious complaints about this engine were found on specialized forums;
- Like all direct injection units, it is prone to carbon deposits on the valves;
- Some owners note fogging in the crankcase ventilation and leaks in the crankshaft seals;
- It is also important to monitor the condition of the timing belt, since if it breaks, the valves bend.
Frequently asked questions about the Geely JLH-4G20TD
How much power does the Geely JLH-4G20TD make?
The Geely JLH-4G20TD develops 190 hp and 300 Nm of torque.
How much oil does the Geely JLH-4G20TD take and which one?
Engine oil capacity: 5.6 liters. Recommended oil: 0W-20.
Does the Geely JLH-4G20TD have a timing belt or chain?
The Geely JLH-4G20TD uses a timing belt.
Is the Geely JLH-4G20TD turbocharged?
Yes, the Geely JLH-4G20TD is turbocharged (BorgWarner K03).
Does the Geely JLH-4G20TD need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Geely JLH-4G20TD last?
The typical lifespan of the Geely JLH-4G20TD is ~300 000 km with proper maintenance.
What is the fuel consumption of the Geely JLH-4G20TD?
Geely Preface 2022: city 9.0, highway 5.5, combined 6.7 L/100 km.
What cars was the Geely JLH-4G20TD installed on?
Geely Preface 1 (FS11) since 2020; Geely Xingyue 1 (FY11) in 2021 - 2023; Lynk & Co 02 I (CC11) since 2018; Lynk & Co 03 I (CS11) since 2018.
What are the common problems of the Geely JLH-4G20TD?
No serious complaints about this engine were found on specialized forums. Like all direct injection units, it is prone to carbon deposits on the valves. All known problems.
What engines are related to the Geely JLH-4G20TD?
JLH family: JLH-3G15TD, JLH-4G20TDB, JLH-4G20TDJ.





