Volvo S90 (EU)

Automatic transmission fluid capacity & service interval

Volvo S90 (EU) requires automatic transmission fluid with a capacity of 7,5 liters. Service intervals include checks every 15000 km or 12 months and fluid changes every 75000 km. The data covers 6 configurations.

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

TypeSpecifications
S90 2.5 24V, B6254F (1996-1998)
  • Use: Normal
  • Capacity 7,5 liter
  • Check 15000 km/ 12 months
  • Code: Aisin Warner 4/1
S90 2.5 24V, B6254G (1996-1998)
  • Use: Normal
  • Capacity 7,5 liter
  • Check 15000 km/ 12 months
  • Code: Aisin Warner 4/1
S90 2.5 24V, B6254S (1996-1998)
  • Use: Normal
  • Capacity 7,5 liter
  • Check 15000 km/ 12 months
  • Code: Aisin Warner 4/1
S90 3.0 24V (132 kW) (1996-1998)
  • Use: Normal
  • Capacity 7,5 liter
  • Check 15000 km/ 12 months
  • Code: AW30-43 4/1
S90 3.0 24V (150 kW) (1996-1998)
  • Use: Normal
  • Capacity 7,5 liter
  • Check 15000 km/ 12 months
  • Code: AW30-43 4/1
S90 3.0 24V (150 kW) (1996-1998)
  • Use: Severe
  • Capacity 7,5 liter
  • Change 75000 km
  • Code: AW30-43 4/1

Additional Notes

  • Across all automatic transmission configurations in the Volvo S90 (EU) from 1996-1998, the fluid capacity is uniformly specified at 7.5 liters, a figure consistent with a full transmission fill rather than a partial service top-up.
  • The 2.5-liter variants — covering the B6254F, B6254G, and B6254S engine codes — all share the same 7.5-liter capacity and a check interval of 15,000 km or 12 months under normal use conditions.
  • The 3.0 24V at 132 kW also carries the 7.5-liter capacity with a 15,000 km or 12-month check interval under normal use, placing it in alignment with the 2.5-liter configurations despite the difference in engine output.
  • The 3.0 24V at 150 kW is the only configuration in the lineup with a severe use specification, where a fluid change is indicated at 75,000 km rather than a periodic check.
  • Under normal use, the 3.0 24V at 150 kW shares the 15,000 km or 12-month check interval with the other configurations, meaning the same engine variant carries two distinct service schedules depending on operating conditions.
  • A check interval, as applied here at 15,000 km or 12 months, refers to inspecting and correcting the fluid level rather than a full fluid replacement, which is a less intensive service operation than a change.
  • The 75,000 km change interval specified for the 3.0 24V at 150 kW under severe use represents a full fluid replacement cycle, a more demanding service requirement tied to harder operating conditions.

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