Kia Optima: Power Train / Exhaust System

Kia Optima DL3 2019-2025 Service and Repair Manual / Maintenance / Power Train / Exhaust System

Repair procedures

Inspection

1.	Visually check the pipes, hangers and connections for severe corrosion, leaks or damage.

2.	Check for unusual exhaust sounds or abnormal exhaust fumes.

Engine Oil and Filter

Repair procedures Inspection 1. Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, ...

Fuel Lines, Hoses and Connections

Repair procedures Inspection Visually check the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness. ...

Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Electronic Stability Control (ESC) OFF Indicator Light, Immobilizer Indicator Light (Without Smart Key)

Electronic Stability Control (ESC) OFF Indicator Light This indicator light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When you deactivate the ESC system by pressing the ESC ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Front Oil Seal

Components and components location Components 1. Front oil seal Repair procedures Replacement 1. Remove the crankshaft damper pulley. (Refer to Drive Belt System - "Crankshaft Damper Pulley") 2. ...