Engine Oil and Fluid Recommendation for Audi A6 Allroad (4BH, C5; 4FH, C6; 4GH; 4GJ) – A6 Allroad 3.0 TDI What can happen if the selection of engine oil is done incorrectly? Even the smallest mistakes can lead to very serious consequences. The wrong choice of engine oil can reduce engine power, resulting in fuel consumption. Thermal damage to the motor is also possible. But the most unpleasant thing that can happen is the overhaul of the engine or its replacement.
  • Engine: CDUC, CLAA/B
  • Engine oil capacity, liter: 6.4
  • Differential capacity, liter: 0,9-1.0
  • Cooling system capacity, liter: 12.0
  • Year: 2011-14

Engine oil

  • Synthetic oil: Longlife III 5W-30 (Longlife 3 5W-30)

Differential

  • Synthetic gear oil: 75W90 GL5

Power steering

  • Hydraulic fluid: CHF/Central Hydraulic Fluid

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet