Kia Optima Hybrid: Engine Mechanical System / Cylinder Block

Cylinder Head Repair procedures

Removal     • 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 ...

Cylinder Block Components and Components Location

Components 1. Piston ring2. Piston3. Connecting rod 4. Connecting rod upper bearing5. Piston pin6. Connecting rod lower bearing7. Connecting rod bearing cap8. Ladder frame9. Oil filter bracket10. Crankshaft ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: High Mounted stop lamp Repair procedures

Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the rear seat. (Refer to the BD group - "Rear seat") 3. Remove the package tray trim (A). (Refer to the BD group -"Interior trim") 4. Remove the soundproofing felt (A) to remove the wiring. 5. Remove the high mounted stop lamp after removing ...

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

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again. Check the gasket for damage • Check gasket or seal for damage • Replace gaskets and reuse ...