The Jatco JR502E or RE5R01A 5-speed automatic transmission was produced since 1989 and installed in rear-wheel drive/all-wheel drive Nissan models and some BMW for the Japanese market. Designed for engines up to 3.5 liters and 350 Nm, the transmission was used until 2000.
Specifications
| Type | automatic transmission |
| Number of gears | 5 |
| Type of drive | rear / all wheel |
| Engine volume, l | up to 3.5 |
| Torque output, Nm | up to 350 |
| Recommended oil | Nissan AT-Matic J Fluid |
| Oil capacity, liter | 8.7 |
| Replacing the oil | every 80 000 km |
| Replacing the filter | every 80 000 km |
| Gearbox lifespan, km | ~300 000 km |
Gear ratios Jatco JR502E
Using the example of a 1994 BMW 5 Series with a 2.5 liter engine:
| Main | 2.930 |
| 1st | 3.857 |
| 2nd | 2.140 |
| 3rd | 1.384 |
| 4th | 1.000 |
| 5th | 0.694 |
| Reverse | 3.910 |
Using
The transmission was installed on:
- Nissan Cedric 7 (Y31) in 1989 – 1991;
- Nissan Cedric 8 (Y32) in 1991 – 1995;
- Nissan Cefiro 1 (A31) in 1992 – 1994;
- Nissan Gloria 8 (Y31) in 1989 – 1991;
- Nissan Gloria 9 (Y32) in 1991 – 1995;
- Nissan Gloria 10 (Y33) in 1995 – 1999;
- Nissan Laurel 6 (C33) in 1991 – 1993;
- Nissan Laurel 7 (C34) in 1993 – 1997;
- Nissan Skyline 8 (R32) in 1991 – 1993;
- Nissan Skyline 9 (R33) in 1993 – 1998;
- BMW 3-Series E36 in 1990 – 2000;
- BMW 5-Series E34 in 1990 – 1996;
- BMW 5-Series E39 in 1995 – 2000.
Disadvantages of the Jatco JR502E gearbox
- This transmission is extremely reliable, and all its problems are age-related;
- After 200,000 km, the clutches and brake band may require replacement;
- In terms of transmission hardware, certain planetary gear rows usually fail the fastest.
