Kia Optima Hybrid: Engine Mechanical System / Cylinder Head Assembly

Timing Chain Repair procedures

Removal     • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.     Mark all wiring ...

Valve Clearance Adjustment

Valve Clearance Inspection And Adjustment     Inspect and adjust the valve clearance when the engine is cold (Engine coolant temperature : 20°C (68°F)) and cylinder head is installed on the ...

Other information:

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


Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. Cover the front sensor to stop functioning. 3. Shine a light at the rear sensor. 4. The ECM should be darkened as soon as the rear sensor detects the light.   ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Speakers Repair procedures


Inspection 1. Troubleshooting for Speaker (1) Basic inspection of speaker Inspect the sound from speaker after verifying that the speaker mounting screws are removed and the wiring connector is connected to remove any possible vibration transmitted from body trims and surrounding parts. (2) Case Troubleshooting ...

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