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Replacing Citroen C1 Spark Plugs

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  1. Replacing Citroen C1 Spark Plugs, Introduction: step 1, image 1 of 2 Replacing Citroen C1 Spark Plugs, Introduction: step 1, image 2 of 2
    • Open the engine hood of your C1, pulling the controller located below and to the left of the steering wheel.

    • Disconnect the battery.

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  2. Replacing Citroen C1 Spark Plugs, Remove the air filter box 1: step 2, image 1 of 2 Replacing Citroen C1 Spark Plugs, Remove the air filter box 1: step 2, image 2 of 2
    • Identify the air filter box.

    • Pull back the hooks to detach the air filter box.

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  3. Replacing Citroen C1 Spark Plugs, Remove the air filter box 2: step 3, image 1 of 2 Replacing Citroen C1 Spark Plugs, Remove the air filter box 2: step 3, image 2 of 2
    • Loosen the clamp and move it up to free the sleeve.

    • Loosen the air intake pipe clamp.

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  4. Replacing Citroen C1 Spark Plugs, Remove the air filter box 3: step 4, image 1 of 3 Replacing Citroen C1 Spark Plugs, Remove the air filter box 3: step 4, image 2 of 3 Replacing Citroen C1 Spark Plugs, Remove the air filter box 3: step 4, image 3 of 3
    • You can now remove the air filter box.

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  5. Replacing Citroen C1 Spark Plugs, Remove the ignition coils: step 5, image 1 of 3 Replacing Citroen C1 Spark Plugs, Remove the ignition coils: step 5, image 2 of 3 Replacing Citroen C1 Spark Plugs, Remove the ignition coils: step 5, image 3 of 3
    • Unscrew the three bolts of the ignition coils with the help of a 10mm 6-point socket.

    • Remove the three ignition coils by pulling them upwards.

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  6. Replacing Citroen C1 Spark Plugs: step 6, image 1 of 1
    • You can choose to unplug each ignition coil connector and place them on a workbench (taking care to identify each coil), or leave the coils plugged in and stored to the left and above the engine.

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  7. Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 7, image 1 of 3 Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 7, image 2 of 3 Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 7, image 3 of 3
    • Grab a spark plug wrench (size 16mm)

    • Insert the wrench into the first spark plug chamber, until you reach the bolt.

    • Certain spark plug wrench are equipped with a rubber joint to help with extracting the spark plug. It is therefore necessary to apply light pressure to correctly reach the spark plug's bolt.

    • Unscrew the first spark plug, then remove it from its chamber.

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  8. Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 8, image 1 of 3 Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 8, image 2 of 3 Replacing Citroen C1 Spark Plugs, Remove the spark plugs: step 8, image 3 of 3
    • Continue in the same manner for second and third spark plugs.

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  9. Replacing Citroen C1 Spark Plugs, Clean and replace the spark plugs: step 9, image 1 of 1
    • You can now proceed to clean or replace the spark plugs.

    • The cleaning of a spark plug can be done with contact cleaner and a brass brush.

    • To reinstall the spark plugs, repeat this procedure in reverse.

    • When reinstalling, be sure to rest the spark plug as straight as possible, to align the thread axes of each spark plug. The recommended tightening torque is 29Nm (21.4 lbft)

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Conclusion

To reassemble your vehicle, follow the instructions in reverse order.

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Subject42

Member since: 08/28/14

2,988 Reputation

4 Guides authored

4 Guide Comments

Tuto carré net précis ?

Bruno Bossuet - Reply Share

Really helpful. Many thanks.

Simon Davies - Reply Share

Can you pls advice the correct gap for the sparkplug.

Kind regards.

roedoe - Reply Share

Merci pour le tuto mais les bougies ont un diamètre de 14

Laurent Mattei - Reply Share

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