Recommended replacement interval for the part category Spark plug : 18 month / 30000 km

Important!

This replacement procedure can be used for:
CITROËN C3 III Box Body / Hatchback (SX, SY) PureTech … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Alternative products

Spark plug

Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). Tools you'll need:

                      Electronic spray
                    
                      High-temperature anti-seize lubricant
                    
                      Drive socket # 8 
                    
                      Spark plug socket # 16
                    
                      Torque wrench
                    
                      Flat Screwdriver
                    
                      Fender cover

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Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). AUTODOC recommends:

The replacement procedure is the same for all spark plugs.
All work should be done with the engine stopped.

Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). Recommended sequence of steps:

Step 1

Open the hood.

Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 3

Unplug the connectors from the ignition coils. Use a flat screwdriver.
Step 4

Unscrew the ignition coil bracket. Use a drive socket #8.
Step 5

Take out the ignition coils from the spark plug wells.

Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). Professionals recommend:
Remember the sequence of steps for ignition coil demounting.
Step 6

Clean dirt, dust and debris from inside the spark plug wells.
Step 7

Unscrew the spark plugs. Use the spark plug socket #16.
Step 8

Take out the spark plugs.
Step 9

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 10

Install the new spark plugs into their mounting seats.
Step 11

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 22 nm torque.

Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). Tip from AUTODOC experts:
Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
Step 12

Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.

AUTODOC recommends:
Replacement: spark plugs – CITROËN C3 III Kasten / Schrägheck (SX, SY). Follow the installation steps.
Step 13

Tighten the fasteners of the ignition coils. Use a drive socket #8.
Step 14

Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
Step 15

Plug in the connectors of the ignition coils. Make sure you hear a click indicating that it is locked in place.

Step 16

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.

Step 17

Shut off the engine.

Step 18

Remove the fender protection cover.

Step 19

Close the hood.

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