The 1.5-liter Hyundai G4DJ engine was produced from 1985 to 1995 under license from Mitsubishi and was essentially a copy of the 8-valve version of the popular 4G15 power unit. In addition to the version with an injector, a carburetor modification with the G4AJ index is often found.
The Orion family also includes engines: G4DG.
The engine was installed on:
- Hyundai Excel 1 (X1) in 1985 – 1989; Excel 2 (X2) in 1989 – 1995;
- Hyundai Pony 3 (X1) in 1985 – 1989; Pony 4 (X2) in 1989 – 1994;
- Hyundai Lantra 1 (J1) in 1990 – 1995;
- Hyundai Scoupe 1 (X2) in 1988 – 1993.
Specifications
| Production years | 1985-1995 |
| Displacement, cc | 1468 |
| Fuel system | injector |
| Power output, hp | 76 – 86 |
| Torque output, Nm | 115 – 130 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 75.5 |
| Piston stroke, mm | 82 |
| Compression ratio | 9.4 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 10W-40 |
| Engine oil capacity, liter | 3.3 |
| Fuel type | petrol |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Hyundai Lantra 1994) — city — highway — combined |
10.1 7.2 8.6 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 115 (without attachments) |
Disadvantages of the Hyundai G4DJ engine
- The most famous problem is the oil burner due to stuck piston rings;
- Also, the throttle assembly quickly wears out here and the engine speed starts to float;
- Carefully monitor the condition of the timing belt or if it breaks, the valves will bend;
- This engine does not like to start in severe frost and can simply pour candles;
- On specialized forums, an unreliable gas pump and weak pillows of the unit are constantly scolded.
