
Disclaimer
How to change spark plugs on PEUGEOT 405 II Saloon (4B) – replacement guide
downloads:
4
Views:
30

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.
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
Spark plug
Alternative products

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:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Unscrew the engine cover fastener. Use Torx T20.
- Step 4Remove the engine cover.Replacement: spark plugs – PEUGEOT 405 II (4B). AUTODOC recommends:Raise the engine cover, holding it on two sides simultaneously.
- Step 5Remove the crankcase ventilation hoses.
- Step 6Detach the connector from the ignition coil.
- Step 7Unscrew the ignition coil bracket. Use Torx T27.
- Step 8Pry up the ignition coil. Use a crowbar.
- Step 9Take out the ignition coil from the spark plug well.
- Step 10Clean dirt, dust and debris from inside the spark plug wells.
- Step 11Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
- Step 12Take out the spark plugs.
- Step 13Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
- Step 14Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Need New Tyres?
Find out which tyre and wheel sizes are compatible with the PEUGEOT 405 II Saloon (4B) model
Popular maintenance tutorials for Peugeot 405 Saloon
Complete guides for changing the Engine spark plug on different PEUGEOT 405 models
Unlock your car maintenance assistant!
Track expenses, manage logs, schedule replacements, and more.
Tips & tricks for your PEUGEOT 405 II (4B)
View more
- 5 mistakes made when washing the engine | AUTODOC tips
- Top 5 reasons why your car squeals | AUTODOC Tips
- DIY brake caliper restoration | AUTODOC tips
- K2 ROTON wheel cleaner overview
Most commonly replaced car parts on PEUGEOT 405
Time to replace parts? Get even better deals in our Shop app.

SCAN ME