Chevrolet Tahoe, GMT820 (USA / CAN)

Coolant capacity & service interval

Chevrolet Tahoe, GMT820 (USA / CAN) uses coolant with a capacity range of 12,7 to 14,1 liters. Service intervals include 150000 miles or 60 months for changes, 30000 km or 24 months for checks, and 165000 km for changes. The data covers 2 configurations.

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

TypeSpecifications
Tahoe 4.8 V8 (2000-2003)
  • Use: Normal
  • Capacity 12,7 liter
  • Change 150000 miles/ 60 months
Tahoe 5.3 V8 (1999-2001)
  • Use: Normal
  • Capacity 14,1 liter
  • Capacity 12,7 liter (with automatic transmission)
  • Check 30000 km/ 24 months
  • Change 165000 km

Additional Notes

  • The Tahoe 4.8 V8 carries a cooling system capacity of 12.7 liters, which represents the total volume of coolant the system holds during a standard service fill.
  • The Tahoe 5.3 V8 (1999-2001) shows two distinct capacity figures depending on transmission type. Without an automatic transmission, the cooling system holds 14.1 liters, while the automatic transmission variant drops to 12.7 liters, reflecting the difference in heat exchanger routing when a transmission cooler is integrated into the cooling circuit.
  • The Chevrolet Tahoe GMT820 4.8 V8 (2000-2003) carries a normal-use coolant change interval of 150,000 miles or 60 months, whichever comes first.
  • The 5.3 V8 (1999-2001) under normal use conditions specifies a coolant check interval of 30,000 km or 24 months, paired with a separate change interval set at 165,000 km.
  • The 5.3 V8 cooling system interval of 165,000 km is expressed in kilometers rather than miles, contrasting with the 4.8 V8 interval stated at 150,000 miles, indicating different regional specification formats between the two engine entries.

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