Jensen C-V8

Automatic transmission fluid capacity & service interval

Jensen C-V8 automatic transmission fluid capacity ranges from 8,8 to 9,5 liters. Service intervals include checking at 6500 km or 13000 km/6 months and changing at 51000 km or 51000 km/24 months. The data covers 3 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
C-V8 MK III (1965-1966)
  • Use: Normal
  • Capacity 9,5 liter
  • Check 13000 km/ 6 months
  • Change 51000 km/ 24 months
  • Code: 3/1
C-V8 MK II (1963-1964)
  • Use: Normal
  • Capacity 8,8 liter
  • Check 6500 km
  • Change 51000 km
  • Code: 3/1
C-V8 MK I (1962-1963)
  • Use: Normal
  • Capacity 8,8 liter
  • Check 6500 km
  • Change 51000 km
  • Code: 3/1

Additional Notes

  • The Jensen C-V8 MK I (1962-1963) and MK II (1963-1964) share an identical automatic transmission fluid capacity of 8.8 liters, along with the same check and change intervals.
  • The MK III (1965-1966) carries a slightly larger automatic transmission fluid capacity of 9.5 liters, compared to the 8.8 liters specified for the two earlier marks.
  • An 8.8-liter automatic transmission fluid capacity is a relatively substantial fill volume, consistent with the large-displacement American-sourced automatic gearboxes commonly fitted to grand touring vehicles of the early 1960s.
  • For the MK I and MK II, the fluid check interval is set at 6,500 km under normal use conditions, while the drain and refill interval extends to 51,000 km.
  • The MK III introduces a time-based dimension to the service schedule, pairing the 13,000 km check interval with a 6-month threshold, meaning whichever condition is reached first would govern the service action.
  • The MK III change interval is specified as 51,000 km or 24 months under normal use conditions, adding a calendar-based limit that is absent from the MK I and MK II specifications.
  • The check interval for the MK III doubles to 13,000 km relative to the 6,500 km interval on the MK I and MK II, reflecting a revised maintenance cadence for the later mark.
  • Across all three marks, the 51,000 km drain and refill interval remains constant, indicating a consistent long-term fluid life expectation for the automatic transmission regardless of the capacity difference between marks.

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