The 2.0-liter turbo engine Great Wall GW4C20NT has been produced by the concern only since 2018 and is installed on the very popular F7 crossover and the similar F7x. A number of sources confuse this motor with its predecessor, which had the GW4C20 index.
GW4C20 family: GW4C20, GW4C20A, GW4C20B, GW4C20NT.
Specifications
| Production years | since 2018 |
| Displacement, cc | 1967 |
| Fuel system | direct injection |
| Power output, hp | 190 |
| Torque output, Nm | 340 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82.5 |
| Piston stroke, mm | 92 |
| Compression ratio | 9.6 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | yes |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.0 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Haval F7 2020) — city — highway — combined |
11.6 7.2 8.8 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 175 |
The engine was installed on:
- Haval F7 I since 2018;
- Haval F7x I since 2018;
- Haval Dargo I since 2020.
Disadvantages of the Great Wall GW4C20NT engine
- This turbo engine has proven to be reliable, however, it has not been produced for long;
- The main problem is carbon deposits on the intake valves due to the direct injection system;
- There were cases of turbine failure due to a burst pipe or a bent impeller;
- A lot of trouble for the owner can be thrown by failures in the ignition system and the fuel pump;
- There was a recall campaign to replace fuel pipes after a series of fires.
Frequently asked questions about the Great Wall GW4C20NT
How much power does the Great Wall GW4C20NT make?
The Great Wall GW4C20NT develops 190 hp and 340 Nm of torque.
How much oil does the Great Wall GW4C20NT take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 5W-40.
Does the Great Wall GW4C20NT have a timing belt or chain?
The Great Wall GW4C20NT uses a timing chain.
Is the Great Wall GW4C20NT turbocharged?
Yes, the Great Wall GW4C20NT is turbocharged.
Does the Great Wall GW4C20NT need valve clearance adjustment?
No, the Great Wall GW4C20NT has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GW4C20NT last?
The typical lifespan of the Great Wall GW4C20NT is ~240 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4C20NT?
Haval F7 2020: city 11.6, highway 7.2, combined 8.8 L/100 km.
What cars was the Great Wall GW4C20NT installed on?
Haval F7 I since 2018; Haval F7x I since 2018; Haval Dargo I since 2020.
What are the common problems of the Great Wall GW4C20NT?
This turbo engine has proven to be reliable, however, it has not been produced for long. The main problem is carbon deposits on the intake valves due to the direct injection system. All known problems.
