Kia Optima: CVVT (Continuously Variable Valve Timing) System. Description 
		and Operation - Exhaust Emission Control 
		System - Emission Control System - Kia Optima TF 2011-2026 Service ManualKia Optima: CVVT (Continuously Variable Valve Timing) System. Description and Operation

Catalytic Converter. Description and Operation
Description The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). ...

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 sp ...

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Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel.(Refer to the BD group - "Crash pad") 3. Rem ...

Trailing Arm. Repair procedures
Replacement 1. Remove the rear wheel & tire. Tightening torque:88.3 ~ 107.9N.m (9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) ...

Specification
Engine T/M Joint type Max. permissible angle Outer Inner Outer Inner Gasoline 2.0 T-GDI ...

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