How to carry out replacement: Spark Plug 1.6 HDi Citroen C4 Mk1
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Change Citroen C4 Mk1 1.6 16V Spark Plug yourself – manuals and video tutorials

How to change spark plugs on CITROËN C4 I (LC_) – replacement guide

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When to replace the Spark Plug on your CITROËN C4
Recommended replacement interval for the part category Spark plug : 60000 km
Important!
This replacement procedure can be used for:
CITROËN C4 I (LC_) 2.0 16V … 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

All the parts you need to replace – Spark Plug for C4 I (LC_) and other CITROËN models
How to change Spark plug on Citroen C4 Mk1 1.6 HDi – step-by-step instructions for straightforward car repair Spark plug
How to change Spark plug on C4 I Hatchback – tips for proper car maintenance
Spark plug for C4 I Hatchback Petrol (136 hp)
Tools
Replacement: spark plugs – CITROËN C4 I (LC_). List of the tools you'll need:
High-temperature anti-seize lubricant
Spark plug socket # 16
Drive socket # 8
Ratchet wrench
Torque wrench
Flat Screwdriver
Telescoping magnet
Fender cover
Buy tools
Replacement: spark plugs – CITROËN C4 I (LC_). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • Warning! Shut down the engine before starting any work – CITROËN C4 I (LC_).
Carry out replacement in the following order:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Citroen C4 Mk1 2004 - free PDF and video manuals
    Remove the engine cover clips. Use a flat screwdriver.
  2. Step 4
    How to replace CITROËN C4 I (LC_) 1.6 HDi 2005 Spark Plug - step-by-step manuals and video guides
    Remove the engine cover. Use a flat screwdriver.
    Replacement: spark plugs – CITROËN C4 I (LC_). AUTODOC recommends:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  3. Step 5
    Citroen C4 Mk1 1.6 16V 2006 Spark Plug replacement: free workshop manuals
    Detach the connector from the ignition coil. Use a flat screwdriver.
  4. Step 6
    Changing Spark Plug on CITROËN C4 I (LC_) 2.0 HDi 2007 by yourself
    Unscrew the ignition coil bolts. Use a drive socket #8. Use a ratchet wrench.
  5. Step 7
    How to remove CITROËN C4 2.0 16V 2008 Spark Plug - online easy-to-follow instructions
    Remove the ignition coil by pulling it straight up.
  6. Step 8
    Clean dirt, dust and debris from inside the spark plug wells.
    Step 9
    How to replace Spark Plug on CITROËN C4 I (LC_) 2009: download PDF manuals and video instructions
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  7. Step 10
    How hard is it to do yourself: Spark Plug replacement on Citroen C4 Mk1 1.6 16V Bio-Flex 2010 - download illustrated guide
    Take out the spark plugs. Use a telescoping magnet.
  8. Step 11
    Need to know how to renew Spark Plug on CITROËN C4 2011? This free workshop manual will help you to do it yourself
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  9. Step 12
    Changing of Spark Plug on Citroen C4 Mk1 2004 won't be an issue if you follow this illustrated step-by-step guide
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  10. Step 13
    CITROËN C4 1.6 16V Spark Plug replacement: online guides and video tutorials
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 25 nm torque.
    Replacement: spark plugs – CITROËN C4 I (LC_). 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.
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