The Opel AF14 4-speed automatic transmission was produced in Japan from 1988 to 1992 and was installed exclusively in the first-generation Vectra model, paired with the 1.6-liter engine. This automatic transmission is known by its own designation, the AW50-41LE, in Aisin’s classification.
Specifications
| Type | automatic transmission |
| Number of gears | 4 |
| Type of drive | front |
| Engine volume, l | up to 1.6 |
| Torque output, Nm | up to 130 |
| Recommended oil | ATF Dexron III |
| Oil capacity, liter | 7.2 |
| Partial replacement, liter | 4.0 |
| Maintenance | every 60 000 km |
| Gearbox lifespan, km | ~250 000 km |
| Weight, kg | 69 |
Gear ratios Opel AF14
Using the example of a 1990 Opel Vectra with a 1.6 liter engine:
| Main | 2.81 |
| 1st | 3.882 |
| 2nd | 2.118 |
| 3rd | 1.364 |
| 4th | 1.000 |
| Reverse | 4.853 |
Using
The transmission was installed on:
- Opel Vectra A (J89) in 1988 – 1992
Disadvantages of the Opel AF14 gearbox
- The transmission has a long service life, and even the torque converter clutch wears out around 250,000-300,000 km;
- Then the valve body will need to be flushed, or the solenoids will become clogged with wear debris;
- Then the oil pump bushing usually breaks, and leaks appear at the junction with the engine;
- Brake band separation and malfunctions in the automatic transmission selector are also common.
