The hydraulic fan (below picture) used on 2002 Jeep WG Grand Cherokee 4.7L replaces both the electric fan and the engine driven mechanical fan. The hydraulic cooling fan is integral to the fan shroud and is located between the radiator and the engine. The power steering pump supplies the hydraulic fluid and pressure to rotate the cooling fan blade, while the electrical part of the fan is controlled by the JTEC.
Hydraulic Radiator Cooling Fan and Fan Drive: 1. Power steering fluid cooler; 2. Radiator; 3. High pressure line from steering gear pump to hydraulic fan motor; 4. Hydraulic fan motor; 5. High pressure line from hydraulic fan motor to steering gear; 6. Fan shroud
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2002 Jeep WG Grand Cherokee 4.7L Radiator Fan Schematic Diagram
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1991 Hyundai Sonata Cooling System – Schematics and Troubleshooting
The following article discuss about 1991 Hyundai Sonata Cooling System Service and Troubleshooting manual. Herein you will find detail specification of the cooling system, description of each parts and components function, maintenance, service, repair and troubleshooting procedures of the Sonata. This service manual is divided into following sections General Specification, Cooling System, Radiator, Radiator and Fan Motor Assembly, Water Pump, Thermostat, Water Hose and Pipe, Water Temperature Gauge Unit and Sensor.
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