GMC Savana, GMT600 (USA / CAN)

Coolant capacity & service interval

GMC Savana, GMT600 (USA / CAN) coolant capacity ranges from 10,4 to 24,6 liters. Service intervals include checks every 3 months or 4000 km and every 6 months, with changes at 48000 km or 150000 miles / 60 months. The data covers 7 configurations.

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

TypeSpecifications
Savana 8.1 V8 (2001-2002)
  • Use: Normal
  • Capacity 21,8 liter
  • Capacity 24,6 liter (+ rear heater)
  • Check 6 months
  • Change 150000 miles/ 60 months
Savana 4.3 V6 (1997-2002)
  • Use: Normal
  • Capacity 10,4 liter
  • Capacity 13,2 liter (+ rear heater)
  • Check 6 months
  • Change 150000 miles/ 60 months
Savana 5.0 V8 (1997-2002)
  • Use: Normal
  • Capacity 16 liter
  • Capacity 18,9 liter (+ rear heater)
  • Check 6 months
  • Change 150000 miles/ 60 months
Savana 5.7 V8 (1997-2002)
  • Use: Normal
  • Capacity 16 liter
  • Capacity 18,9 liter (+ rear heater)
  • Check 6 months
  • Change 150000 miles/ 60 months
Savana 6.5 V8 Diesel (1997-2002)
  • Use: Normal
  • Capacity 20,8-24,6 liter
  • Change 48000 km
Savana 6.5 V8 Diesel (1997-2002)
  • Use: Severe
  • Capacity 20,8-24,6 liter
  • Check 4000 km/ 3 months
  • Change 48000 km
Savana 7.4 V8 (1997-2000)
  • Use: Normal
  • Capacity 21,8 liter
  • Capacity 24,6 liter (+ rear heater)
  • Check 6 months
  • Change 150000 miles/ 60 months

Additional Notes

  • The GMC Savana 4.3 V6 has the smallest cooling system capacity among the petrol engines in the 1997-2002 range, holding 10.4 liters in standard configuration. Adding a rear heater raises that figure to 13.2 liters, reflecting the additional coolant volume the rear circuit requires.
  • The 5.0 V8 and 5.7 V8 share identical cooling system capacities of 16 liters without a rear heater and 18.9 liters with one, despite being different displacements. Both cover the 1997-2002 model years.
  • The 7.4 V8 and 8.1 V8 also share identical capacity figures of 21.8 liters in standard form and 24.6 liters with a rear heater, even though the 7.4 V8 covers 1997-2000 and the 8.1 V8 covers 2001-2002 as its successor in the lineup.
  • The 6.5 V8 Diesel stands apart from all petrol variants by listing a capacity range of 20.8-24.6 liters rather than a fixed value, indicating variation across sub-configurations within that engine family rather than a single defined fill volume.
  • All petrol engines in the 1997-2002 Savana share the same coolant change interval of 150,000 miles or 60 months under normal use conditions. A 6-month check interval accompanies that schedule across the 4.3 V6, 5.0 V8, 5.7 V8, 7.4 V8, and 8.1 V8.
  • The 6.5 V8 Diesel uses a distance-based change interval of 48,000 km, a figure expressed in kilometers rather than miles, which differs structurally from the mileage-and-month format applied to the petrol engines.
  • Under severe use conditions, the 6.5 V8 Diesel adds a check interval of every 4,000 km or 3 months while retaining the same 48,000 km change interval as the normal use schedule. No equivalent severe-use entry exists for any of the petrol engines in these specifications.

Other Systems