Kia Optima DL3: Maintenance / Engine coolant

The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory.

Check the antifreeze protection and coolant level at least once a year: at the beginning of the winter season, and before traveling to a colder climate.

Checking the engine oil level ■ THETA 2.4L - GDI 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature.

WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in serious personal injury from escaping hot coolant or steam.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Panorama Sunroof Switch

Schematic diagrams Connector and Terminal Function Repair procedures Inspection 1. Remove the overhead console lamp. (Refer to Lighting System - "Overhead Console Lamp") 2. Check for continuity between the terminals in each switch position according to the table

Kia Optima DL3 2019-2026 Service and Repair Manual: Refrigerant Line

Components and components location Components Location 1. Suction & Liquid tube assembly 2. Discharge hose Repair procedures Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minute

Categories

 
Copyright © 2026 www.kioptima.com - 0.0194