Porsche 911, 997 (USA)

Power steering fluid capacity & service interval

Porsche 911, 997 (USA) power steering fluid capacity is 1,27 liters. Service intervals occur every 20000 miles or 24 months. The data covers 5 configurations.

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

TypeSpecifications
911 GT3 RS 4.0 (2011-2011)
  • Use: Normal
  • Capacity 1,27 liter
  • Check 20000 miles/ 24 months
911 Carrera (2005-2008)
  • Use: Normal
  • Capacity 1,27 liter
  • Check 20000 miles/ 24 months
911 Carrera 4 (2005-2008)
  • Use: Normal
  • Capacity 1,27 liter
  • Check 20000 miles/ 24 months
911 Carrera 4S (2005-2008)
  • Use: Normal
  • Capacity 1,27 liter
  • Check 20000 miles/ 24 months
911 Carrera S (2004-2008)
  • Use: Normal
  • Capacity 1,27 liter
  • Check 20000 miles/ 24 months

Additional Notes

  • The Porsche 911 997 (USA) power steering system holds 1.27 liters across all listed configurations, a capacity figure that reflects a service fill rather than a full overhaul quantity.
  • The 911 Carrera S carries the earliest model year entry in the data, with specifications beginning in 2004, while the Carrera, Carrera 4, and Carrera 4S entries each start from 2005.
  • All five configurations share an identical check interval of 20,000 miles or 24 months, whichever comes first, under normal use conditions.
  • The dual-format interval of 20,000 miles or 24 months means a time-based threshold applies alongside a mileage threshold, so lower-mileage vehicles still reach a service check point at the two-year mark.
  • The 911 GT3 RS 4.0 shares the same 1.27-liter capacity and 20,000-mile/24-month check interval as the Carrera-family variants, despite being a higher-performance track-oriented model.
  • All specifications listed are designated for normal use conditions, meaning the intervals and capacities apply to standard operating environments rather than severe-duty cycles.

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