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 Service and Repair Manual: Front Bumper

Components and components location Components 1. Front bumper assembly 2. Front bumper beam assembly 3. Front bumper side bracket [LH] 4. Front bumper side bracket [RH] ...

Kia Optima DL3 2019-2021 Service and Repair Manual: CVVT (Continuous Variable Valve Timing) System

Description and operation Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve ove ...