Chevrolet Silverado, T1XX (USA / CAN)

Power steering fluid capacity & service interval

Chevrolet Silverado, T1XX (USA / CAN) uses power steering fluid with a capacity of 2 liters. Service intervals require a check every 7500 miles. The data covers 6 configurations.

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

TypeSpecifications
Silverado HD 2500/3500 6.6 V8 (2022- )
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles
Silverado HD 2500/3500 6.6 V8 AWD (2022- )
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles
Silverado HD 2500/3500 6.6 Duramax V8 (2019- )
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles
Silverado HD 2500/3500 6.6 Duramax V8 AWD (2019- )
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles
Silverado HD 2500/3500 6.6 V8 (2019-2022)
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles
Silverado HD 2500/3500 6.6 V8 AWD (2019-2022)
  • Use: Normal
  • Capacity 2 liter
  • Check 7500 miles

Additional Notes

  • Across all listed Chevrolet Silverado HD 2500/3500 configurations, the power steering fluid capacity is uniformly 2 liters, a figure typical of a hydraulic power steering reservoir service fill rather than a full system overhaul volume.
  • The 7,500-mile check interval applies to normal use conditions across every configuration listed, covering both the 6.6 Duramax V8 diesel and the 6.6 V8 gasoline engine variants.
  • Two-wheel-drive and AWD variants of the same engine share identical power steering fluid capacity and check interval values, indicating drivetrain configuration has no effect on these specifications.
  • The 6.6 Duramax V8 and the 6.6 V8 gasoline engine are listed as separate configurations, yet both carry the same 2-liter capacity and 7,500-mile check interval under normal use conditions.
  • The 6.6 V8 gasoline engine appears under two distinct year-range entries starting in 2019-2022 and from 2022 onward, both in two-wheel-drive and AWD forms, with no variation in the 2-liter capacity or 7,500-mile check interval between those entries.
  • A 7,500-mile interval for a fluid check, rather than a full fluid change, reflects a monitoring schedule intended to verify fluid level and condition rather than mandate periodic replacement at that mileage.

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