Engine Oil and Fluid Recommendation for Opel Signum – 3.0 V6 CDTi Every year the car becomes more and more affordable and their number on the country's roads is naturally growing. For many, the car has ceased to be a luxury, and has become just a means of transportation. All these factors led to an increase in sales and production of motor oils.
  • Engine: Y30DT, Z30DT
  • Engine oil capacity, liter: 7.3
  • Manual transmission capacity, liter: 2.2
  • Automatic transmission capacity, liter: 7.2
  • Power steering capacity, liter: 0.7-1.0
  • Cooling system capacity, liter: 8.3
  • Year: 2003-08

Engine oil

  • Synthetic oil: M 5W-30
  • Synthetic oil: M 5W-30

Manual transmission

  • Synthetic gear oil: 75W90 GL5

Automatic transmission

  • Synthetic transmission fluid: AISIN-AW

Power steering

  • Hydraulic fluid: CHF/Central Hydraulic Fluid

Cooling system

  • Antifreeze for the engine: Antifreeze G12 red