Chevrolet Colorado, GMT31XX-2 (USA / CAN)

Coolant capacity & service interval

Chevrolet Colorado, GMT31XX-2 (USA / CAN) uses coolant with a capacity of 11 liters. Service intervals occur every 150000 miles or 60 months. The data covers 4 configurations.

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

TypeSpecifications
Colorado 2.7 Turbo (2022- )
  • Use: Normal
  • Capacity 11 liter
  • Change 150000 miles/ 60 months
Colorado 2.7 Turbo AWD (2022- )
  • Use: Normal
  • Capacity 11 liter
  • Change 150000 miles/ 60 months
Colorado 2.7 Turbo High Output (2022- )
  • Use: Normal
  • Capacity 11 liter
  • Change 150000 miles/ 60 months
Colorado 2.7 Turbo High Output AWD (2022- )
  • Use: Normal
  • Capacity 11 liter
  • Change 150000 miles/ 60 months

Additional Notes

  • All four configurations of the Chevrolet Colorado GMT31XX-2 carry an 11-liter cooling system capacity, covering both the standard 2.7 Turbo and the High Output variant, in both rear-wheel-drive and AWD forms.
  • An 11-liter coolant capacity is a relatively large figure for a mid-size truck engine, reflecting the extended cooling circuit typical of turbocharged four-cylinder engines, which generate significant heat and require additional coolant volume to manage thermal loads.
  • The coolant change interval is set at 150,000 miles or 60 months under normal use conditions, placing the Colorado in the category of extended-life coolant service schedules rather than the older 30,000-mile conventional coolant cycles.
  • The 60-month time limit runs concurrently with the 150,000-mile mileage limit under normal use, meaning whichever threshold is reached first would govern the service interval in practice.
  • No difference in cooling system capacity or change interval exists between the standard 2.7 Turbo and the 2.7 Turbo High Output, despite the High Output version producing more power, indicating both share the same fundamental cooling circuit architecture.
  • The AWD variants carry identical cooling system specifications to their two-wheel-drive counterparts, confirming that the addition of all-wheel-drive hardware does not alter the engine cooling capacity or service schedule for the 2.7 Turbo in either output level.

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