Kia Optima Hybrid: Engine Mechanical System / Timing System
Removal • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion. • To release the fuel ...
Components 1. Intake camshaft2. Exhaust camshaft3. Intake CVVT assembly4. Exhaust CVVT assembly5. Timing chain6. Timing chain guide7. Timing chain tensioner arm8. Timing chain tensioner9. Timing chain ...
Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose. 3. Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt. The plunger inside ...
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 ...
Engine And Transaxle Assembly Repair procedures
Timing Chain Components and Components LocationOther information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Thermostat Troubleshooting