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

Kia Optima DL3 2019-2021 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 2019-2021 Owner's Manual: Low aspect ratio tire


Low aspect ratio tires, whose aspect ratio is lower than 50, are provided for sporty looks. Because the low aspect ratio tires are optimized for handling and braking, it may be more uncomfortable to ride in and there is more noise compare with normal tires. CAUTION Because the sidewall of t ...

Kia Optima DL3 2019-2021 Service and Repair Manual: Coolant


Repair procedures Refilling And Bleeding    Never remove the reservoir tank cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator. ...

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