Kia Sorento: Spark Plug Removal and Installation

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Electrical System / Ignition System / Spark Plug Removal and Installation

Removal

1.	Disconnect the battery negative ( - ) terminal.

2.	Remove the engine cover. (Refer to Engine Mechanical System - " Engine Cover")

3.	Disconnect the ignition coil connector (A).

4.	Remove the engine foam (A).

Remove the ignition coil mounting bolts (A).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Engine Electrical System — Ignition System / Spark Plug / Removal and Installation / Removal illustration

6.	Remove the ignition coil (A).

Remove the spark plug (A) by using the socket for spark plug.

Tightening torque :

14.7 - 24.5 N·m (1.5 - 2.5 kgf·m, 10.8 - 18.1 lb·ft)

Engine Electrical System — Ignition System / Spark Plug / Removal and Installation / Removal illustration

Be careful that no contaminates enter into spark plug holes.

Installation

Install in the reverse order of removal.

•	Install the spark plug with the specified torque.

•	Be careful not to damage external electrode when installing the spark plug.

•	If the spark plug is dropped, it may cause internal damage. (Do not reuse)

•	When assembling the parts, clean the contaminated area (A) with the cloth. - The cloth should be clean, free of contaminants, and soft enough to not damage the parts. (When replacing ignition coil and spark plug together, cleaning is not required.)

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Kia Sorento: Spark Plug Removal and Installation

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