Hyundai Sonata LF: Ignition System / Spark Plug Specifications

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...

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 plug. 3. Check the spark plug visually...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Drive Belt Repair procedures

Removal 1. Disconnect the battery negative terminal. 2. Loosen the alternator tension adjusting bolt (A) to loosen tension. 3. Remove the drive belt (A). Inspection Drive Belt Inspection Visually check the belt for excessive wear, frayed cords etc...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Belt

Rear Seat Belt Retractor Components and Components Location Component Location 1. Rear seat belt retractor [LH]2. Rear seat belt retractor [RH] Rear Seat Belt Retractor Repair procedures Replacement     • When installing the belt, make sure not to damage the retractor...