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Home >> Cadillac >> 1989 >> Seville STS >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System Specifications >> Description >> Maintenance

Cooling System Specifications: Description: Maintenance

Periodic maintenance is necessary for extended cooling system and engine life. Engine and cooling stems are made of different metals, electrolysis begins to destroy the metals. Changing the coolant at scheduled maintenance periods reduces electrolysis and removes sediment. See COOLANT REPLACEMENT SCHEDULE.

COOLANT REPLACEMENT SCHEDULE

Application Months (Miles)
General Motors 24 (30,000)
NOTE: Approximate capacity figures are shown. Capacities may vary 15% due to system variations.
COOLING SYSTEM SPECIFICATIONS

Application Specification
Coolant Capacity 12.0 Qts. (11.3L)
Pressure Cap 15 psi
Thermostat 195°F (91°C)