Subaru Baja (USA / CAN)

Differential fluid capacity & service interval

Subaru Baja differential fluid capacity ranges from 0,8 to 1,3 liters. Service intervals include checks every 30000 miles or 30 months and changes every 15000 miles or 15 months. The data covers 16 configurations.

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

TypeSpecifications
  • Baja 2.5 Turbo (CAN) (2004-2006)
  • From automatic
  • Use: Normal
  • Capacity 1,1-1,3 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5 Turbo (CAN) (2004-2006)
  • From automatic
  • Use: Severe
  • Capacity 1,1-1,3 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5 Turbo (CAN) (2004-2006)
  • Rear
  • Use: Normal
  • Capacity 0,8 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5 Turbo (CAN) (2004-2006)
  • Rear
  • Use: Severe
  • Capacity 0,8 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5 Turbo (USA) (2004-2006)
  • From automatic
  • Use: Normal
  • Capacity 1,1-1,3 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5 Turbo (USA) (2004-2006)
  • From automatic
  • Use: Severe
  • Capacity 1,1-1,3 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5 Turbo (USA) (2004-2006)
  • Rear
  • Use: Normal
  • Capacity 0,8 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5 Turbo (USA) (2004-2006)
  • Rear
  • Use: Severe
  • Capacity 0,8 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5i (CAN) (2002-2005)
  • From automatic
  • Use: Normal
  • Capacity 1,1-1,3 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5i (CAN) (2002-2005)
  • From automatic
  • Use: Severe
  • Capacity 1,1-1,3 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5i (CAN) (2002-2005)
  • Rear
  • Use: Normal
  • Capacity 0,8 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5i (CAN) (2002-2005)
  • Rear
  • Use: Severe
  • Capacity 0,8 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5i (USA) (2002-2005)
  • From automatic
  • Use: Normal
  • Capacity 1,1-1,3 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5i (USA) (2002-2005)
  • From automatic
  • Use: Severe
  • Capacity 1,1-1,3 liter
  • Change 15000 miles/ 15 months
  • Baja 2.5i (USA) (2002-2005)
  • Rear
  • Use: Normal
  • Capacity 0,8 liter
  • Check 30000 miles/ 30 months
  • Baja 2.5i (USA) (2002-2005)
  • Rear
  • Use: Severe
  • Capacity 0,8 liter
  • Change 15000 miles/ 15 months

Additional Notes

  • The Subaru Baja's front differential, sourced from the automatic transmission unit, carries a capacity range of 1.1–1.3 liters across all configurations covered in the specifications, reflecting the variable fill level associated with that housing design.
  • The rear differential across all Baja variants holds a fixed capacity of 0.8 liters, which is notably smaller than the front differential unit and consistent with a dedicated rear axle housing rather than a combined transmission assembly.
  • Under normal use conditions, both the front and rear differentials are scheduled for a fluid check at 30,000 miles or 30 months, whichever comes first, rather than a full fluid change.
  • Under severe use conditions, the interval shifts to a fluid change at 15,000 miles or 15 months for both differential positions, cutting the service period in half compared to the normal use schedule.
  • The 2.5i variants cover model years 2002-2005, while the 2.5 Turbo variants begin in 2004, meaning the two engine configurations share an overlapping production window of 2004-2005.
  • Despite the difference in engine output between the naturally aspirated 2.5i and the turbocharged 2.5 Turbo, the differential fluid capacities and service intervals are identical across both engine types for all corresponding differential positions and use conditions.
  • The capacity specifications for the front differential are expressed as a range rather than a single fixed value, which is typical of fluid systems where the correct level is confirmed by a fill-to-overflow or sight-hole method rather than a precise measured volume.
  • The Canadian and American market specifications for both the 2.5i and 2.5 Turbo are numerically identical in capacity and interval, indicating no market-specific differential service requirements between the two regions.

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