Hyundai Sonata: Ignition System / Spark Plug Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Ignition System / Spark Plug Description and Operation

Description

A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator.

Ignition Coil Repair procedures

Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the engine cover. 3. Disconnect the ignition coil connector (A). 4. Remove the ignition c ...

Spark Plug Specifications

Specification ItemSpecificationTypeSILZKR7E8GGap0.7 ~0.8 mm (0.0275 ~ 0.0314 in.) ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Child Restraint System (CRS)
Children Always in the Rear WARNING Always properly restrain children in the rear seats of the vehicle. Children of all ages are safer when restrained in the rear seat. A child riding in the front passenger seat can be forcefully struck by an inflating air bag resulting in SERIOUS INJURY or DEATH. ...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Oil Seal Repair procedures
Removal 1. Remove the transaxle assembly. (Refer to transaxle - "Manual Transaxle assembly, Auto Transaxle assembly") 2. MT : Remove the flywheel. (Refet to Cylinder Block - "Flywheel") 3. AT : Remove the drive plate. (Refet to Cylinder Block - "Drive Plate") 4. Remove the rear oi ...