Cooling System: Description and Operation
COOLINGDESCRIPTION
Non-Turbo
The cooling system consists of an engine cooling module, thermostat, coolant recovery/reserve system, coolant, and a water pump. The engine cooling module (2) consists of a radiator, electric fan motor, fan, shroud, transmission oil cooler, hoses, clamps, air conditioning condenser and transmission oil lines.
OPERATION
Cooling System Operation:
The cooling systems primary purpose is to maintain engine temperature in a range that will provide satisfactory engine performance and emission levels under all expected driving conditions. The system does this by transferring heat from the engine metal to the coolant, then moves this heated coolant to the radiator where this heat is transferred to the ambient air. It also provides hot water (coolant) for heater performance and cooling for the automatic transmission oil.
^ When the Engine is cold: The thermostat is closed and the cooling system has no flow through the radiator. The coolant flows through the engine, heater system which also serves as the bypass.
^ When the Engine is warm: Thermostat is open and the cooling system has flow through the radiator, engine, heater system which also serves as the bypass.
CLAMPS-HOSE
DESCRIPTION
The cooling system uses spring type hose clamps. If a spring type clamp replacement is necessary, replace with the original Mopar equipment spring type clamp.
CAUTION: A number or letter (1) is stamped into the tongue of constant tension clamps. If replacement is necessary, use only a original equipment clamp with matching number or letter (1).
The spring type hose clamp applies constant tension on a hose connection. To remove a spring type hose clamp (2), use Special Tool 6094 (1) or 8495 (or equivalent), constant tension clamp pliers to compress the hose clamp.