The 1.5-liter turbo engine Great Wall GW4G15B has been produced at the concern’s factory since 2013 and is installed on such popular models of the Chinese company as the Hover H6 and Hawal H6. This motor is essentially a supercharged version of the famous Japanese Toyota 1NZ-FE engine.
GW4G (Toyota) family: GW4G15, GW4G15B, GW4G15K, GW491QE, GW4G13, GW4G15F.
Specifications
| Production years | since 2013 |
| Displacement, cc | 1497 |
| Fuel system | distributed injection |
| Power output, hp | 143 – 150 |
| Torque output, Nm | 203 – 210 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 75 |
| Piston stroke, mm | 84.7 |
| Compression ratio | 9.3 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | VVTi at the intake |
| Turbocharging | MHI TF035HM |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Haval H6 2018) — city — highway — combined |
11.3 7.1 9.2 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 115 |
The engine was installed on:
- Great Wall Hover H6 since 2013;
- Haval H2 I in 2014 – 2021;
- Haval H6 I since 2013.
Disadvantages of the Great Wall GW4G15B engine
- The main problem of this turbo engine and all engines of the family is oil consumption;
- The cause of the oil burner is the occurrence of rings and poor crankcase ventilation;
- By 100,000 km, the timing chain often needs to be replaced and usually together with a phase shifter;
- Other weak points include the ignition system, turbine valve and unit supports;
- Every 90,000 km, it is necessary to adjust the valve clearance by selecting pushers.
Frequently asked questions about the Great Wall GW4G15B
How much power does the Great Wall GW4G15B make?
The Great Wall GW4G15B develops 143 - 150 hp and 203 - 210 Nm of torque.
How much oil does the Great Wall GW4G15B take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the Great Wall GW4G15B have a timing belt or chain?
The Great Wall GW4G15B uses a timing chain.
Is the Great Wall GW4G15B turbocharged?
Yes, the Great Wall GW4G15B is turbocharged (MHI TF035HM).
Does the Great Wall GW4G15B 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 Great Wall GW4G15B last?
The typical lifespan of the Great Wall GW4G15B is ~200 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4G15B?
Haval H6 2018: city 11.3, highway 7.1, combined 9.2 L/100 km.
What cars was the Great Wall GW4G15B installed on?
Great Wall Hover H6 since 2013; Haval H2 I in 2014 - 2021; Haval H6 I since 2013.
What are the common problems of the Great Wall GW4G15B?
The main problem of this turbo engine and all engines of the family is oil consumption. The cause of the oil burner is the occurrence of rings and poor crankcase ventilation. All known problems.
