Hyundai Sonata: Exhaust Emission Control System / Catalytic Converter Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Exhaust Emission Control System / Catalytic Converter Repair procedures

Removal

1.	Remove the exhaust manifold. (Refer to Engine Mechanical System - "Exhaust Manifold")

Installation

1.	Install in the reverse order of removal.

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). [ ...

CVVT (Continuously 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 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Drive Belt Tensioner Repair procedures
Removal and Installation 1. Remove the drive belt. (Refer to Timing System - "Dreve Belt") 2. Remove the alternator. (Refer to Engine Electrical System - "Alternator") 3. Remove the alternator bracket (belt tunsioner) (A). Tightening torque : 19.6 ~ 26.5 N.m (2.0 ~ 2.7 kgf.m, 14.5 ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting Ignition System SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requir ...