Description & Operation: Coolant
CAUTION:
Use of Propylene Glycol based coolants is not recommended as they provide less freeze protection and less corrosion protection.
The cooling system is designed around coolant. The coolant must accept heat from engine metal, in cylinder head area near exhaust valves and engine block. The coolant carries heat to radiator where tube/fin radiator can transfer heat to air.
The use of aluminum cylinder heads, intake manifolds, and water pumps requires special corrosion protection. Mopar(R) Antifreeze or equivalent ethylene glycol base antifreeze with a silicate inhibitor is recommended for best engine cooling without corrosion, when mixed only to a freeze point of -35°F (-37°C) to -50°F (-59°C). If it loses color or becomes contaminated, drain, flush, and replace with fresh properly mixed solution.
WARNING:
Antifreeze is an ethylene glycol base coolant and is harmful if swallowed or inhaled. If swallowed, drink 2 glasses of water and induce vomiting. If inhaled, move to fresh air area. Seek medical attention immediately. DO NOT store in open or unmarked containers. Wash skin and clothing thoroughly after coming in contact with ethylene glycol. Keep out of reach of children. Dispose of glycol base coolant properly, contact your dealer or government agency for location of collection center in your area. DO NOT open a cooling system when engine is at operating temperature or hot under pressure, personal injury can result. Avoid radiator cooling fan when engine compartment related service is performed, personal injury can result.