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Cooling System Specifications

COOLING SYSTEM SPECIFICATIONS

Application Specification
Coolant Replacement Interval
Diesel Engine (1992-95) (1) Every 12,000 miles
Diesel Engine (1996-2002) (2) Every 150,000 miles
Gasoline Engine Every 24,000 miles
Coolant Capacity (3)
Diesel Engine 26 Qts. (25L)
Gasoline Engine 20 Qts. (19L)
Pressure Cap 15 Psi
Thermostat
Starts To Open 190°F (88°C)
Fully Open 212°F (100°C)
(1) For 1992-95 model, use a 50/50 mix of good quality ethylene glycol and water.
(2) Or every 60 months, whichever comes first. For 1996-2002 model, use a 50/50 mix of GM Goodwrench DEX-COOL(R).
(3) Specification is approximate and includes heater capacity.
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