Ford Aerostar (USA)

Differential fluid capacity & service interval

Ford Aerostar (USA) differential fluid capacity ranges from 1 to 2,4 liters. Service intervals include checks every 12 months and changes every 160000 km. The data covers 6 configurations.

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

TypeSpecifications
  • Aerostar 3.0 V6 (1996-1997)
  • Front
  • Use: Normal
  • Capacity 1 liter
  • Check 12 months
  • Code: Dana 28-2
  • Aerostar 3.0 V6 (1996-1997)
  • Rear
  • Use: Normal
  • Capacity 2,4 liter
  • Check 12 months
  • Change 160000 km
  • Aerostar 3.0 V6 (1996-1997)
  • Rear, limited slip
  • Use: Normal
  • Capacity 2,4 liter
  • Check 12 months
  • Change 160000 km
  • Aerostar 4.0 V6 (1996-1997)
  • Front
  • Use: Normal
  • Capacity 1 liter
  • Check 12 months
  • Code: Dana 28-2
  • Aerostar 4.0 V6 (1996-1997)
  • Rear
  • Use: Normal
  • Capacity 1,7 liter
  • Check 12 months
  • Change 160000 km
  • Aerostar 4.0 V6 (1996-1997)
  • Rear, limited slip
  • Use: Normal
  • Capacity 1,7 liter
  • Check 12 months
  • Change 160000 km

Additional Notes

  • The Ford Aerostar (USA) front differential holds 1 liter of fluid across both the 3.0 V6 and 4.0 V6 engine configurations for 1996-1997, making the front differential capacity consistent regardless of engine choice.
  • The rear differential capacity differs between the two engine variants. The 3.0 V6 rear differential, including the limited slip version, holds 2.4 liters, while the 4.0 V6 rear differential and its limited slip counterpart hold 1.7 liters, a difference of 0.7 liters between the two drivetrains.
  • A 2.4-liter rear differential fill is a relatively substantial volume, which is typical of larger axle housings designed to handle the torque characteristics associated with heavier or more capable vehicle platforms.
  • All front differential entries carry only a check interval of 12 months, with no change interval listed in the specifications. A check interval without a corresponding change interval indicates the service schedule calls for periodic inspection of fluid condition and level rather than scheduled replacement.
  • Both rear differential configurations, standard and limited slip, share an identical service schedule: a 12-month check interval and a fluid change interval of 160,000 km. At 160,000 km, the change interval falls into the long-life category, reflecting the relatively stable operating environment of a sealed differential under normal use conditions.
  • The limited slip rear differential specifications for both the 3.0 V6 and 4.0 V6 carry the same capacity and service intervals as their standard open differential counterparts. Limited slip differentials typically require a fluid with specific friction modifier additives, though the volume and interval figures here are identical to the non-limited slip versions.
  • All six differential entries across both engine types are rated under normal use conditions, meaning the 12-month check and 160,000 km change intervals apply specifically to standard operating circumstances rather than severe or demanding duty cycles.

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