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Cooling System 6B-7 Coolant scooping method • Measure the concentration using the coolant scoop. A List of Defective Phenomena • Engine overheats Engine overheats Engine overcools Main Data and Specifications Main Data and Specifications Condition Possible Cause Correction Engine overheats Cooling water volume is deficit. Replenish. Thermometer unit is defective. Replace. Thermostat is defective. Replace. Water pump is defective. Replace. Radiator is clogging. Clean or replace. Radiator cap is defective. Replace. Engine oil volume is deficient or Replenish or change the engine oil. Cylinder head gasket is defective. Replace. The fan belt is loose. Adjust. Exhaust system is clogging. Clean or replace. The fuel injection quantity is in Diagnose the engine control Fuel injection timing is incorrect. Diagnose the engine control system. Starting pressure of fuel injection is Diagnose the engine control Condition Possible Cause Correction Engine overcools Thermostat is defective. Replace. Cooling methods Forced circulation system Radiator Tubes with corrugated fins Radiation capacity kW (kcal/h) 120 (103200) Radiation area m 2 (ft 2 ) 17.78 (191.3) Frontal area m 2 (ft 2 ) 0.367 (4.05) Dry mass N (lb) 196 (44.1) Radiator cap Valve opening pressure kPa (kg/cm 2 / psi) 108 ± 14.7 (1.1 ± 0.15 / 15.7 ± 2.1) Cooling water capacity Liters (US / Imp gal.) 3.2 (0.85 / 0.70) Water pump Centrifugal impeller system Pulley ratio 1.190 |