1 page 1 ENGINE 3-1-5 Models J08C-TP and J08C-TR Symptom Possible cause Remedy/Prevention Piston seizure Coolant G Reduction in capacity of coolant pump ......... Replace the coolant pump (due to vane corrosion) G Leakage of coolant........................................ Repair G Insufficient coolant ........................................ Add coolant G Dirty coolant .................................................. Clean and replace coolant G Defective radiator .......................................... Repair or replace the radiator (coolant leakage, clogging) G Defective rubber hose (leakage)...................
Replace rubber hose G Defective thermostat ..................................... Replace the thermostat G Leakage of exhaust into cooling system ....... Repair G Abrupt stoppage of engine after running ...... Operate engine properly at high speed G Hill climbing using unsuitable gear ............... Select suitable gear Oil G Insufficient oil ................................................ Add oil G Dirty oil .......................................................... Change oil G Poor quality oil .............................................. Replace with proper engine oil G High oil temperature......................................
Repair G Low oil pressure ............................................ Repair G Defective oil pump ........................................ Repair oil pump G Reduced performance due to worn .............. Replace oil pump oil pump G Suction strainer sucking air ........................... Add oil and/or repair strainer G Use of defective fuel ..................................... Change fuel Abnormal combustion G Incorrect injection timing ............................... Adjust injection timing G Engine overheating ....................................... See Symptom: “Engine overheating” Operation