Engine Oil and Fluid Recommendation for Chevrolet (USA) Silverado – Classic 4.3 V6; 4.8 V8; 5.3 V8 So, the first thing you need to start with the selection of oil is by studying the car's instruction manual or from its service book. Almost always, manufacturers indicate there their requirements for engine and coolant fluids, which are best used for this model.
  • Engine: LU3 Vortec; LR4
  • Engine oil capacity, liter: 4.5-6.0
  • Manual transmission capacity, liter: 4.0
  • Automatic transmission capacity, liter: 13.0
  • Differential capacity, liter: 3.0
  • Cooling system capacity, liter: 16.0
  • Year: 2002-06

Engine oil

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

Manual transmission

  • Synthetic gear oil: 75W90 GL5

Differential

  • Synthetic gear oil: 75W90 GL5

Automatic transmission

  • Synthetic gear oil: ATF Dexron VI (ATF Dexron 6)

Power steering

  • Synthetic transmission fluid: AISIN-AW

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet