When to replace the Spark Plug on your PEUGEOT 406
Recommended replacement interval for the part category Spark plug : 60000 km
Important!
This replacement procedure can be used for:
PEUGEOT 406 (8B) 1.8 16V View more

The steps may slightly vary depending on the car design.

How to change spark plug on PEUGEOT 406 TUTORIAL | AUTODOC

video
All the parts you need to replace – Spark Plug for 406 (8B) and other PEUGEOT models
Tools
Replacement: spark plugs – Peugeot 406 saloon. 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
Replacement: spark plugs – Peugeot 406 saloon. AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • Warning! Shut down the engine before starting any work – Peugeot 406 saloon.
Carry out replacement in the following order:
  1. Step 1
    How to change Spark Plug on Peugeot 406 Saloon 1995 - free PDF and video manuals
    Open the hood.
  2. Step 2
    How to replace PEUGEOT 406 (8B) 2.0 HDI 110 1996 Spark Plug - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    Peugeot 406 Saloon 1.8 16V 1997 Spark Plug replacement: free workshop manuals
    Remove the engine cover clips. Use a flat screwdriver.
  4. Step 4
    Changing Spark Plug on PEUGEOT 406 (8B) 2.1 TD 12V 1998 by yourself
    Remove the engine cover. Use a flat screwdriver.
    Replacement: spark plugs – Peugeot 406 saloon. AUTODOC recommends:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  5. Step 5
    How to remove PEUGEOT 406 1.9 TD 1999 Spark Plug - online easy-to-follow instructions
    Detach the connector from the ignition coil. Use a flat screwdriver.
  6. Step 6
    How to replace Spark Plug on PEUGEOT 406 (8B) 2000: download PDF manuals and video instructions
    Unscrew the ignition coil bolts. Use a drive socket #8. Use a ratchet wrench.
  7. Step 7
    How hard is it to do yourself: Spark Plug replacement on Peugeot 406 Saloon 2.2 HDi 2001 - download illustrated guide
    Remove the ignition coil by pulling it straight up.
  8. Step 8
    Clean dirt, dust and debris from inside the spark plug wells.
    Step 9
    Need to know how to renew Spark Plug on PEUGEOT 406 2002? This free workshop manual will help you to do it yourself
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  9. Step 10
    Changing of Spark Plug on Peugeot 406 Saloon 2003 won't be an issue if you follow this illustrated step-by-step guide
    Take out the spark plugs. Use a telescoping magnet.
  10. Step 11
    PEUGEOT 406 2.0 HDI 110 Spark Plug replacement: online guides and video tutorials
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  11. Step 12
    Replacing Spark Plug on Peugeot 406 Saloon 2005 2.0 HDI 110 by yourself
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  12. Step 13
    406 (8B) 1.9 TD 1995 Spark Plug DIY replacement workshop manual
    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 – Peugeot 406 saloon. 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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DIY PEUGEOT 406 (8B) Spark Plug replacement - online guide
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