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2.5L VM DIESEL DESCRIPTION - COOLING SYSTEM The cooling system regulates engine operating tem- perature. It allows the engine to reach normal oper- The cooling system also provides a means of heat- ing the passenger compartment. The cooling system COOLING SYSTEM COMPONENTS The cooling system consists of: • Electric Cooling Fan • An aluminum radiator with plastic side tanks • A radiator mounted fill vent valve • A separate pressurized coolant tank • A threaded-on, pressure/vent cap mounted to the coolant tank • Cooling fan (mechanical) • Thermal viscous fan drive • Fan shroud • Thermostat • Coolant • Low coolant level sensor • Low coolant warning lamp • Coolant temperature gauge • Water pump • Hoses and hose clamps COOLANT ROUTING For cooling system flow routing, refer to (Fig. 1) DESCRIPTION - COOLING SYSTEM HOSES Rubber hoses route coolant to and from the radia- tor, and heater core. The radiator lower hose is spring-reinforced to pre- vent collapse from water pump suction at high WARNING: CONSTANT TENSION HOSE CLAMPS CAUTION: A number or letter is stamped into the Inspect the hoses at regular intervals. Replace hoses that are cracked, feel brittle when squeezed, or For all vehicles: Be sure that hoses are positioned with sufficient clearance. Check clearance from exhaust manifolds and pipe, fan blades, drive belts Ordinary worm gear type hose clamps (when equipped) can be removed with a straight screw- When performing a hose inspection, inspect the radiator lower hose for proper position and condition 7a - 2 2.5L VM DIESEL R1 |