Engine Oil and Fluid Recommendation for Opel Omega B – 2.5 DT Properly selected engine oil for a car is the key to a long and trouble-free operation of the engine.
  • Engine: 25DT, X25DT
  • Engine oil capacity, liter: 6.5
  • Manual transmission capacity, liter: 1.2
  • Automatic transmission capacity, liter: 8.4
  • Differential capacity, liter: 1.0
  • Power steering capacity, liter: 1.3
  • Cooling system capacity, liter: 10.0-10.2
  • Year: 1994-00

Engine oil

  • Synthetic oil: 5W-40

Manual transmission

  • Synthetic gear oil: 75W90 GL5

Differential

  • Transmission oil: 80W90 GL 5

Automatic transmission

  • Synthetic transmission fluid: AISIN-AW

Power steering

  • Synthetic transmission fluid: AISIN-AW

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet