Hyundai G4JN engine
Content
The 1.8-liter Hyundai G4JN engine was assembled from 1998 to 2005 in South Korea under license, because structurally it was a complete copy of the Mitsubishi power unit with the 4G67 index. This Sirius II series DOHC motor was installed for some time on local versions of the Sonata and Magentis.
Sirius ICE line: G4CR, G4CM, G4CN, G4JP, G4CP, G4CS and G4JS.
Specifications of the Hyundai-Kia G4JN 1.8 liter engine
| Exact volume | 1836 cm³ |
| Supply system | injector |
| Internal combustion engine power | 125 - 135 HP |
| Torque | 170 - 180 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Bore | 81.5 mm |
| Piston stroke | 88 mm |
| Compression ratio | 10.5 |
| Features of the internal combustion engine | no |
| Hydraulic compensators | Yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 3.7 liters 10W-40 |
| fuel type | gasoline AI-92 |
| Environmental class | EURO 2/3 |
| Approximate resource | 300 000 km |
The weight of the G4JN engine is 148.2 kg (without attachments)
Engine number G4JN located on the cylinder block
Fuel consumption Kia G4JN 16V
On the example of a 2001 Kia Magentis with a manual transmission:
| City | 9.9 liters |
| Track | 7.6 liters |
| Mixed | 8.5 liters |
Similar motors from other manufacturers:
Which cars were equipped with the G4JN engine
| Sonata 4 (EF) | 1998 – 2004 |
| Magentis 1 (GD) | 2000 – 2005 |
Disadvantages, breakdowns and problems of the Hyundai G4JN
You need to carefully monitor the condition of the belts, there are two of them: timing and balancers
If any of them breaks, you will have to wait for a complex and expensive overhaul.
Quite quickly fail and hydraulic lifters begin to click loudly
Vibrations of the power unit are usually caused by severe wear of the engine mounts.
Engine speeds most often float due to contamination of nozzles, throttle or IAC
