Kia Optima: Power Train / Fuel Lines, Hoses and Connections

Kia Optima DL3 2019-2023 Service and Repair Manual / Maintenance / Power Train / Fuel Lines, Hoses and Connections

Repair procedures
Inspection

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

Exhaust System
Repair procedures Inspection 1. Visually check the pipes, hangers and connections for severe corrosion, leaks or damage. 2. Check for unusual ...

Spark Plug
Repair procedures Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark p ...

Other information:

Kia Optima DL3 2019-2023 Owner's Manual: Checking the amount of air conditioner refrigerant and compressor lubricant


When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operation is found, have the system inspected by an authorized Kia dealer. WARNING - Vehicles equipped wit ...

Kia Optima DL3 2019-2023 Owner's Manual: Seat warmer


■ Front seat The seat warmer is provided to warm the front seats during cold weather. With the ignition switch in the ON position, push either of the switches to warm the driver's seat or the front passenger's seat. During mild weather or under conditions where the operation of the seat wa ...

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