Kia Optima Hybrid: Engine Mechanical System / Cooling System

Cylinder Block Repair procedures

Disassembly     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before ...

Troubleshooting

Engine Overheat Troubleshooting Inspection RemedyVisual inspectionInspect for shortage of coolant in reservoir tank .Reinspect after replenishing coolant.Inspect for coolant pollution after removing radiator ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting

Troubleshooting Trouble SymptomProbable causeRemedyVehicle pulls to one sideScoring of driveshaft ball jointReplaceWear, rattle or scoring of wheel bearingReplaceDefective front suspension and steeringAdjustment or ReplaceVibrationWear, damage or bending of driveshaftReplaceDriveshaft rattle and hub ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: General Safety Information and Caution

Safety Precaution     Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.     • Be sure to shut off the high voltage by removing the ...