Chapter 6 Engine Coolant & Cooling System 10. Coolant System Specifications and Capacities 11. Coolant System Components Diagram 12. Coolant System Radiator Components Diagrams 13. Engine Room Fan System 14. Troubleshooting Chart 15. Coolant Line Diagrams (Chassis Mount) 16. Water Pump 17. Engine Room Fan Circuit 18. Cooling Master Control Unit & CircuitEngine Coolant System Specifications Vehicte Type Carburetor Trick Van Coolant Syatem Type Water: Cooled + Electric Fan Assist WL Pamp Type Impeller Type T | water unpue | 200RPM 201 Frain | "ppm" | sooonest 504 rin R | sire [ro0oreMt 100 fin [Teper Measurment $62 a 3 P Paley 1.05 Thermostat 78 @ ‘Valve Total Lift (mm) [__ Coolant Subaru Coolant [Coolant Capacity 6.5 Liters | Blectric Fan Watt (W) 70 80 - 0 Outer Fan Demensiont Blade #2105 Radiacor Type (Crose-Flow R (Keal/) 22500 21000 73000 23500 5 ‘Tank ‘Steel ‘Steel = - I Core Material ‘Alwasionn Copper = = ? Core Dimensions zraxaooxis | 26exao0xis | 266%400x92 = ° Fen Cormgated BT Gap Preenure (e/a) 294-013-005 Below il Cooter No = = Yeo | se [Pipe Dia $22 = $28 - l [Hoes Dia | 21x28 = 827% 435 = sen yokohamamotors.com [English] 8Coolant System Engine Related Components Expoled View ‘T=Torque kgem @‘Truck Carbureted Vehicle 1. Radiator Fan Shroud Fan Motor Upper Bracket Radiator Support RH Lower Bracket RH Drain Plug Support LH. 10. Lower Bracket LH 11. Air Vent Hose 12. Inlet Hoes 13. Hose 14, Outlet Hose PRB AP EHDCoolant System 4. Upper Bracket 5. Radiator 6. Lower Bracket RH 7, Lower Bracket LH 8. Drain Plug 9. Air Vent Hose 10. Air Vent Hose #2 1 Inlet Hose 12. Hose 13, Outlet Hose aCoolant System Engine Room Fan System Control UnitCoolant System Troubleshooting Cause Remedy 9 | Coolant Low Add Coolant y | Water Pump Pulley Check Belt gE | Water Pump Not Funtioning Correctly Change Pump R | Electric Fan Check Relay-Check Fan H| Thermostat Change E | Coolant Leaking Change Gasket A | Radiator Leak Repair Radiator T | (Do Not Use Stop Leak) Water Pump Will Fail Engine Oil Low Add Oil Clutch Slippage Repair Clutch | Transmission Oil Low Add Oi Water In Oil Head Gasket Brake Engaged (Side Brake) Release Too ; Cool) Thermostat Stuck Open or Missing Replace Thermostat ° T | Inlet Hose Leaking Replace Hose & F | Outlet Hose Leaking Replace Hose and Clamp E | Water Pump Noise Replace Pump. R | Intake Manifold Water Replace Gasket S_ | Water From 'Tailpipe Replace Head GasketCoolant System Engine Coolant System Diagram Hose & Pipe Routing Cooling Pipe (Heater) | Coane Pipe Bngine-Raator | Rear Plug (Blve) Frame RH Side Spare Tire CraddleCoolant System Water Pump Removal & Replace 1, Remove Engine From Vehicle 2. Remove Altinator Belt, Tensioner, if Equiped Super Charger Belt, Crank Pulley 3, Remove Dip Stick Tube 4. Remove Timing Belt Cover #2 843 Bele Cover #3, 7. Remove Water Pump 8, Clean All Surfaces and Install New Water Pump SS Inspection ‘Note: This Section is For Inspection Puposes [tis Highly Recommended to Simply Replace the PumpCooling System Engine Room Fan Circuit Ignition Switch ol @| Radiator Fan ‘Temp Sensor i Thermo- switch BatteryCooling System Control Unit Circuit Cooling Fan Unit ical Diagram Section For More Information and etait Connector Control Unit Circuit +0 Engine Ignition SW eeneing Motor © IGN Switch Water Temp Switch 7