Kia Optima: Power Train / Spark Plug

Kia Optima DL3 2019-2024 Service and Repair Manual / Maintenance / Power Train / 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.

If the electrode is dry, the spark plug is normal.

If the electrode is wet, check the damage and electrode gap as below.

[Component Inspection]
1.

Check the spark plug for any damage on its thread and insulator.

If there is damage, replace the spark plug.

2.

Check the electrode. Measure the insulation resistance with an ohmmeter.

If the resistance is less than the specified value, adjust the electrode gap.

Specification: 10 MΩ or more

3.

Check the spark plug electrode gap.

If the gap is greater than the maximum, replace the spark plug.

Specification: 1.0 ~ 1.1 mm ( 0.0394 ~ 0.0433 in.)

  

If adjusting the gap of a new spark plug, bend only the base of the ground electrode. Do not touch the tip.

Never attempt to adjust the gap on a used plug.

Replacement

[NU 2.0 MPI]

1.

Remove the ignition coil.

(Refer to Ignition System - "Ignition Coil")

2.

Using a spark plug wrench, remove the spark plug (A).

Tightening torque:

14.7 - 24.5 N.m (1.5 - 2.5 kgf.m, 10.9 - 18.0 Ib-ft)

  

Be careful that no contaminates enter into spark plug holes.

[THETAⅢ 2.5 GDI]

1.

Remove the ignition coil.

(Refer to Ignition System - "Ignition Coil")

2.

Using a spark plug wrench, remove the spark plug (A).

Tightening torque :

14.7 - 24.5 N·m (1.5 - 2.5 kgf·m, 10.8 - 18.0 Ib·ft)

  

Be careful that no contaminates enter into spark plug holes.

Fuel Lines, Hoses and Connections
Repair procedures Inspection Visually check the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness. ...

Automatic Transaxle Fluid
Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check    When checking the ATF level, be careful ...

Other information:

Kia Optima DL3 2019-2024 Service and Repair Manual: Ventilated and Heated Seat


Schematic diagrams Connector and Terminal Function Pin Function Connector A Connector B 1 Driver heater ground (-) Driver blower speed (+) 2 Passenger heat ...

Kia Optima DL3 2019-2024 Service and Repair Manual: Parking Brake Pedal Assembly


Repair procedures Removal 1. Release the parking brake. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Disconnect the parking brake switch connector (A). ...

Copyright © www.kioptima.com 2017-2024