The S54 Transmission thread, info & troubleshoot Options

[Rusty]

The S54 Transmission:


General info:

Type of Transaxle: S54-02A/06A/6D Manual
Notes: Open differential (A), Helical LSD (D)
Type of Engine: 3S-FE, 4S-FE, 5S-FE, 3S-GE
Models: ST202, ST202C, ST203, ST204, ST206, ST207
A triple-cone typo synchromesh mechanism is used in the 2nd gear to improve the shift feeling characteristics, this helps to reduce the shifting effort.
A reverse synchromesh mechanism is used to suppress gear engagement noise in reverse gear shifting.


Gear Ratio:

1st Gear: 3.285
2nd Gear: 1.960
3rd Gear: 1.322
4th Gear: 1.028
5th Gear: 0.820
Reverse Gear: -3.153
Differential Gear ratio: 4.176(JP, USA, Aust), 3.736(G.C.C), 3.944(UK/EUR)


Maintenance

Oil Capacity: 2.6L (2.7 US qts, 2.3 Imp. qts)
Oil Viscosity: SAE 75W - 90
Oil Grade: API GL-3, GL-4 or ATF DEXRON II


Troubleshooting
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of problem. Check each part in order. If necessary, replace these parts.




Pictures:





The engagement of the transaxle gears.



Other: