Maintenance / 1997 FFS MPFI · 5.7 L · automatic 4-speed

Engine coolant

Check the reservoir level with the engine cold and investigate repeated coolant loss. Coolant type and replacement procedure matter as much as capacity.

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IntervalReplace at 150,000 mi (240,000 km) or 60 months, whichever comes first.Verified

01 / Requirements

Configuration-specific service and fitment facts

These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.

Coolant

Coolant specification: DEX-COOL mixed 50/50 with clean water Verified
Engine coolant capacity: 12.6 US qt Verified

Zerex DEX-COOL 50/50 Ready-to-Use Antifreeze/Coolant

DEX-COOL 50/50 premixed coolant · One US gallon contains 3.785 L of ready-to-use 50/50 coolant; do not add water to the premix. GM lists a 11.9-L total system capacity: three gallons provide 11.36 L, while four provide 15.14 L. A routine drain may require less because fluid remains in the system. Follow GM’s filling and bleeding procedure and verify the final concentration after flushing. Open the surge-tank cap only when the engine and cooling system are cold.

Part number: ZXELRU1 · 1 US gallon (3.785 L)

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Cooling-system precautions: Never open a hot pressurized cooling system. A total-system capacity is not necessarily the amount that drains during a routine change; follow the engine-specific bleeding procedure.