When to replace the Spark Plug on your PEUGEOT 405
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
PEUGEOT 405 II (4B) 1.6 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 405 II (4B) and other PEUGEOT models
Alternative products
How to change Spark plug on Peugeot 405 Saloon 1.9 TD – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – PEUGEOT 405 II (4B). Tools you'll need:
High-temperature anti-seize lubricant
Torx bit T20
Torx bit T27
Spark plug socket # 16
Ratchet wrench
Torque wrench
Flat Screwdriver
Crow bar
Fender cover
Replacement: spark plugs – PEUGEOT 405 II (4B). Tip from AUTODOC experts:
  • The replacement procedure is the same for all spark plugs.
  • Please note: all work on the car – PEUGEOT 405 II (4B) – should be done with the engine switched off.
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
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    Unscrew the engine cover fastener. Use Torx T20.
  2. Step 4
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    Remove the engine cover.
    Replacement: spark plugs – PEUGEOT 405 II (4B). AUTODOC recommends:
    Raise the engine cover, holding it on two sides simultaneously.
  3. Step 5
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    Remove the crankcase ventilation hoses.
  4. Step 6
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    Detach the connector from the ignition coil.
  5. Step 7
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    Unscrew the ignition coil bracket. Use Torx T27.
  6. Step 8
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    Pry up the ignition coil. Use a crowbar.
  7. Step 9
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    Take out the ignition coil from the spark plug well.
  8. Step 10
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    Clean dirt, dust and debris from inside the spark plug wells.
  9. Step 11
    Changing of Spark Plug on Peugeot 405 Saloon 1992 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  10. Step 12
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    Take out the spark plugs.
  11. Step 13
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    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  12. Step 14
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    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
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DIY PEUGEOT 405 II (4B) Spark Plug replacement - online guide
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