Chevrolet Tahoe, GMT420 (USA / CAN)

Coolant capacity & service interval

Chevrolet Tahoe, GMT420 (USA / CAN) uses coolant with a capacity of 16,5-19 liter. Service intervals include checks every 12 months and changes every 150000 miles or 60 months. The data covers 1 configuration.

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

TypeSpecifications
Tahoe 5.7 V8 (1996-1999)
  • Use: Normal
  • Capacity 16,5-19 liter
  • Check 12 months
  • Change 150000 miles/ 60 months

Additional Notes

  • The cooling system capacity for the Chevrolet Tahoe GMT420 5.7 V8 is listed as a range of 16.5 to 19 liters, which reflects variation in fill volume depending on whether the system is being serviced in place or fully drained and refilled during an overhaul procedure.
  • A coolant check interval of 12 months is specified under normal use conditions for the 5.7 V8, meaning the system is expected to be inspected once per year regardless of mileage accumulation.
  • The coolant change interval under normal use is set at 150,000 miles or 60 months, whichever comes first, placing the 1996-1999 5.7 V8 on a five-year replacement cycle at standard operating conditions.