Principal components

Fig 1: Identifying Principal Components

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The automatic transmission consists of the following principal components:

1. Gearbox
2. Control module, TCM (502)
3. Solenoid valves for gear changing, S1-S5 (531)
4. Solenoid valve for Lock-up, SLU (531)
5. Solenoid valve for system pressure, SLT (531)
6. Solenoid valve for clutch pressure, SLS (531)
7. Speed sensor, input shaft, (532)
8. Speed sensor, output shaft, (533)
9. Temperature sensor, transmission fluid, (535)
10. Gear selector position sensor, (245)