Fiat Regata, 138 (EU)
Automatic transmission fluid capacity & service interval
Fiat Regata, 138 (EU) uses automatic transmission fluid with a capacity of 3 liter. Service intervals include checks every 10000 km or 6 months and changes every 40000 km or 24 months. The data covers 1 configuration.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Regata 70-70S automatic (1983-1990) |
|
Additional Notes
- The Fiat Regata 138 (EU) 70-70S automatic transmission holds 3 liters of fluid, a figure consistent with a service fill rather than a full overhaul capacity, meaning the specified volume reflects the amount used during a routine drain-and-refill procedure.
- The fluid check interval for the 70-70S automatic is set at 10,000 km or 6 months, whichever comes first, applying under normal use conditions.
- The fluid change interval is specified at 40,000 km or 24 months under normal use, placing the check-to-change ratio at roughly 4:1 by distance and the same 4:1 ratio by time.
- The single automatic transmission configuration listed for the Regata 138 (EU) covers the full 1983-1990 model year span without variation in capacity or interval specifications across those years.