The 1.8-liter gasoline engine Mitsubishi 4G62 or G62B was produced from 1979 to 1989 and was installed on such popular models of the concern as Lancer, Galant, Cordia and Delica. Then this unit was put on Hyundai cars for almost ten more years.
Technical characteristics of Mitsubishi 4G62
The 4G62 engine from Mitsubishi was popular due to its reliability and was used in Mitsubishi and Hyundai cars from the late 70s to the late 90s. This engine had three main modifications, differing in fuel injection system and power.
| Characteristics | 4G62 Carburetor SOHC | 4G62 MPFI SOHC | 4G62T ECI TURBO |
|---|---|---|---|
| Precise displacement | 1795 cm³ | 1795 cm³ | 1795 cm³ |
| Power System | Carburetor | Injector | Mono injection |
| Power | 85-100 hp | 90-110 hp | 135-160 hp |
| Torque | 135-145 Nm | 140-150 Nm | 200-220 Nm |
| Cylinder block | Cast iron R4 | Cast iron R4 | Cast iron R4 |
| Block head | Aluminum 8v | Aluminum 8v | Aluminum 8v |
| Cylinder diameter | 80.6 mm | 80.6 mm | 80.6 mm |
| Piston stroke | 88 mm | 88 mm | 88 mm |
| Compression ratio | 8.5 | 8.8 | 8.0 |
| Features | No | No | Intercooler (optional) |
| Hydrocompensators | Yes | Yes | Yes |
| Transmission of the timing belt | Belt | Belt | Belt |
| Fasoregulator | No | No | No |
| Turbocharging | No | No | TC05-12A |
| Recommended oil | 4.0 liter 5W-30 | 4.0 liter 5W-30 | 4.0 liter 5W-30 |
| Environmental class | EURO 1 | EBRO 2 | EURO 2 |
| Engine life | ~250,000 km | ~275,000 km | ~200,000 km |
Car models with engine
- Mitsubishi: Lancer (1979-1987), Cordia (1982-1989), Tredia (1982-1989), Chariot (1983-1987), Galant (1983-1988), Delica II (1979-1986)
- Hyundai: Lantra (1993-1995), Sonata 2 (1988-1993), Sonata 3 (1993-1998)
Main Problems and Disadvantages of 4G62
- Wear of the balancer shaft belt and timing belt.
- Fast failure of hydrocompensators when using old oil.
- Swimming revs, often caused by a dirty throttle plate or idle speed regulator (ICC) malfunctions.
- Vibrations due to engine cushion failure.
- Cracks in the intake and exhaust manifolds, which is often mentioned in profile forums.
Recommendations for maintenance
To maintain engine reliability, it is recommended to use quality oil and change it regularly, as well as timely check and replace belts and engine pads.