Kia Optima Hybrid: Engine Electrical System

Muffler Repair procedures

Removal and Installation 1. Remove the front muffler (A). Tightening torque: 39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft) 2. Remove the catalytic converter (A). Tightening torque: 39.2 ~ 58.8 N.m ...

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 ...

Other information:

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


Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to the BD group - "Crash pad") 3. Remove the crash pad side switch assembly (A) as shown below picture.     Put on gloves to protect your hands. 4. Disconnect the rheostat connector (A) from ...

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


Compression Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure.     Engine may start anytime the vehicle is in READY mode.1. Warm up and stop engine. 1. Warm up and stop engine. Allow the engine to ...

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