Alfa Romeo 159, 939 (EU)

Transfer case fluid capacity & service interval

Alfa Romeo 159, 939 (EU) transfer case fluid capacity is 0,6 liter. Service intervals include checking every 30000 km or 24 months and changing every 120000 km. The data covers 2 configurations.

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

TypeSpecifications
159 2.4 JTDm 20V Q4 (2007-2010)
  • Use: Normal
  • Capacity 0,6 liter
  • Check 30000 km/ 24 months
  • Change 120000 km
159 3.2 JTS Q4 (2005-2010)
  • Use: Normal
  • Capacity 0,6 liter
  • Check 30000 km/ 24 months
  • Change 120000 km

Additional Notes

  • Both Q4 variants of the Alfa Romeo 159 939 (EU) share an identical transfer case fluid capacity of 0.6 liter, a figure typical of compact transfer boxes found in passenger car-based all-wheel-drive systems.
  • The 0.6 liter fill volume applies under normal use conditions, meaning standard on-road driving without the elevated thermal or mechanical stress associated with severe-duty operation.
  • A check interval of 30,000 km or 24 months is specified for both the 2.4 JTDm 20V Q4 and the 3.2 JTS Q4, whichever comes first, reflecting a time-and-distance dual threshold common in European service schedules.
  • The fluid change interval is set at 120,000 km for both configurations, placing the drain-and-refill service well beyond the routine check points and indicating a long-life fluid specification.
  • The 2.4 JTDm 20V Q4 carries a narrower production window of 2007-2010, while the 3.2 JTS Q4 spans 2005-2010, yet both share the same transfer case service parameters throughout their respective production periods.
  • The ratio between the check interval and the change interval is 1:4, meaning four check cycles occur before a single fluid change is due, a pattern consistent with monitoring fluid condition over an extended service life rather than replacing on a frequent basis.

Other Systems