The 0.8-liter 12-valve Hyundai G4HA engine was produced by the company from 1997 to 2003 and was installed on such models for the Asian market as Atos, Atos Prime, Amica and Kia Visto. There is an atmospheric and supercharged version of such an engine, as well as a gas version of the L4HA.
Epsilon family: G3HA, G4HA, G4HC, G4HE, G4HD, G4HG.
Specifications
| Production years | 1997-2003 |
| Displacement, cc | 798 |
| Fuel system | distributed injection |
| Power output, hp | 52 (atmospheric G4HA) 70 (turbocharged G4HA-TC) |
| Torque output, Nm | 70 (atmospheric G4HA) 103 (turbocharged G4HA-TC) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 63 |
| Piston stroke, mm | 64 |
| Compression ratio | 9.5 (atmospheric G4HA) 8.0 (turbocharged G4HA-TC) |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no (atmospheric G4HA) MHI TD025MR (G4HA-TC) |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.1 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Hyundai Atos 2002) — city — highway — combined |
7.9 5.2 6.1 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 97.5 |
The engine was installed on:
- Hyundai Atos 1 (MX) in 1997 – 2003.
Disadvantages of the Hyundai G4HA engine
- This unit has no design problems, but you can’t call it a resource.
- The main troubles are associated with contamination of the throttle and idle speed controller.
- Engine tripping is also common due to the destruction of the wiring insulation.
- If you rarely change the fuel filter, it will rust and it will not be easy to remove.
- Closer to 200,000 km, a major overhaul is usually required with a bore to the repair size.
Frequently asked questions about the Hyundai-Kia G4HA
How much power does the Hyundai-Kia G4HA make?
Power output of the Hyundai-Kia G4HA, hp: 52 (atmospheric G4HA); 70 (turbocharged G4HA-TC). Torque, Nm: 70 (atmospheric G4HA); 103 (turbocharged G4HA-TC).
How much oil does the Hyundai-Kia G4HA take and which one?
Engine oil capacity: 3.1 liters. Recommended oil: 5W-30.
Does the Hyundai-Kia G4HA have a timing belt or chain?
The Hyundai-Kia G4HA uses a timing belt.
Is the Hyundai-Kia G4HA turbocharged?
Yes, the Hyundai-Kia G4HA is turbocharged (no (atmospheric G4HA); MHI TD025MR (G4HA-TC)).
Does the Hyundai-Kia G4HA 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 Hyundai-Kia G4HA last?
The typical lifespan of the Hyundai-Kia G4HA is ~200 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G4HA?
Hyundai Atos 2002: city 7.9, highway 5.2, combined 6.1 L/100 km.
What cars was the Hyundai-Kia G4HA installed on?
Hyundai Atos 1 (MX) in 1997 - 2003.
What are the common problems of the Hyundai-Kia G4HA?
This unit has no design problems, but you can’t call it a resource. The main troubles are associated with contamination of the throttle and idle speed controller. All known problems.
