Jaguar XJ-S (EU)
Differential fluid capacity & service interval
Jaguar XJ-S (EU) differential fluid capacity is 1,54 liters. Service intervals include checking at 5000 km and changing at 20000 km. The data covers 2 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
|
|
|
|
Additional Notes
- Both the XJ-S V12 (1975-1981) and the XJ-S V12 HE (1981-1991) share an identical rear differential fluid capacity of 1.54 liters, which is consistent with a service fill figure for a limited slip differential unit rather than a full overhaul volume.
- A limited slip differential requires fluid specifically formulated to interact correctly with the clutch packs or friction surfaces inside the unit, making the 1.54-liter capacity figure relevant not only in quantity but in fluid type compatibility.
- The Jaguar XJ-S (EU) differential fluid check interval is set at 5,000 km under normal use conditions for both the V12 and V12 HE variants, reflecting the relatively short inspection cycle typical of limited slip differentials, which are more sensitive to fluid degradation than open differentials.
- The change interval of 20,000 km under normal use conditions applies equally to both the 1975-1981 V12 and the 1981-1991 V12 HE configurations, meaning the transition to the High Efficiency engine variant introduced no alteration to the differential service schedule.
- The ratio between the check interval (5,000 km) and the change interval (20,000 km) means the fluid level is inspected four times before a full drain and refill is due, which is a standard approach for monitoring wear and contamination in a limited slip unit between scheduled changes.