Austin A90, BS4

Manual transmission fluid capacity & service interval

Austin A90 and BS4 manual transmission fluid capacity is 2,41 liters. Service intervals consist of a 1500 km check and a 9000 km change. The data covers 1 configuration.

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

TypeSpecifications
A90 Six Westminster (1954-1956)
  • Use: Normal
  • Capacity 2,41 liter
  • Check 1500 km
  • Change 9000 km
  • Code: 4/1

Additional Notes

  • The A90 Six Westminster carries a manual transmission fluid capacity of 2.41 liters, which represents a service fill volume typical of a standalone gearbox unit rather than a combined drivetrain assembly.
  • Under normal use conditions, the specified check interval for the Austin A90 Six Westminster manual transmission fluid is every 1,500 km, reflecting a relatively frequent monitoring schedule consistent with mid-1950s maintenance practices.
  • The change interval for manual transmission fluid on the A90 Six Westminster is set at 9,000 km under normal use, placing a full drain-and-refill at roughly six times the frequency of each fluid level check.

Other Systems