How to carry out replacement: Spark Plug 1.9 Sport MI-16 Peugeot 405 15B
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Change Peugeot 405 15B 1.6 Spark Plug yourself – manuals and video tutorials

How to change spark plugs on PEUGEOT 405 I Saloon (15B) – replacement guide

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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 I (15B) 1.6, PEUGEOT 405 I (15B) 1.6, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.9 Sport MI-16, PEUGEOT 405 I (15B) 1.6, PEUGEOT 405 I (15B) 1.6, PEUGEOT 405 I (15B) 1.9 Injection, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.9 4x4, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.9 Sport MI-16, PEUGEOT 405 I (15B) 1.9 SPort MI-16 4x4, PEUGEOT 405 I (15B) 1.6, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.4, PEUGEOT 405 I (15B) 1.6 4x4, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.9, PEUGEOT 405 I (15B) 1.4, PEUGEOT 405 I (15B) 1.9 (15BDFV) … 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 I (15B) and other PEUGEOT models
Alternative products
How to change Spark plug on Peugeot 405 15B 1.9 Sport MI-16 – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – PEUGEOT 405 I (15B). Tools you need:
High-temperature anti-seize lubricant
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Torque wrench
Telescoping magnet
Fender cover
Buy tools
Replacement: spark plugs – PEUGEOT 405 I (15B). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – PEUGEOT 405 I (15B). Recommended sequence of steps:
  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 Peugeot 405 15B 1987 - free PDF and video manuals
    Detach the PCV valve.
  2. Step 4
    How to replace PEUGEOT 405 I (15B) 1.9 Sport MI-16 1988 Spark Plug - step-by-step manuals and video guides
    Disconnect the crankcase ventilation hose from the intake manifold.
  3. Step 5
    Remove the crankcase ventilation hoses.
    Step 6
    Peugeot 405 15B 1.9 Diesel 1989 Spark Plug replacement: free workshop manuals
    Disconnect the crankcase ventilation hose from the air duct.
  4. Step 7
    Changing Spark Plug on PEUGEOT 405 I (15B) 1.6 1990 by yourself
    Detach the throttle valve connectors.
  5. Step 8
    How to remove PEUGEOT 405 1.9 1991 Spark Plug - online easy-to-follow instructions
    Detach the connector from the ignition coil.
  6. Step 9
    How to replace Spark Plug on PEUGEOT 405 I (15B) 1992: download PDF manuals and video instructions
    Detach the connector from the intake manifold.
  7. Step 10
    How hard is it to do yourself: Spark Plug replacement on Peugeot 405 15B 1.9 Diesel 1993 - download illustrated guide
    Cover the PCV valve hole with a microfibre cloth to prevent dirt and foreign objects from getting into the system.
  8. Step 11
    Need to know how to renew Spark Plug on PEUGEOT 405 1987? This free workshop manual will help you to do it yourself
    Unscrew the ignition coil bracket. Use a drive socket #10. Use a ratchet wrench.
  9. Step 12
    Changing of Spark Plug on Peugeot 405 15B 1988 won't be an issue if you follow this illustrated step-by-step guide
    Pry up the ignition coil. Take out the ignition coil from the spark plug well.
  10. Step 13
    PEUGEOT 405 1.6 Spark Plug replacement: online guides and video tutorials
    Clean dirt, dust and debris from inside the spark plug wells.
  11. Step 14
    Replacing Spark Plug on Peugeot 405 15B 1990 1.9 Sport MI-16 by yourself
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  12. Step 15
    405 I (15B) 1.9 1991 Spark Plug DIY replacement workshop manual
    Take out the spark plugs. Use a telescoping magnet.
  13. Step 16
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
    Step 17
    How to change Spark Plug on PEUGEOT 405 I (15B) 1992 - tips and tricks
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  14. Step 18
    Step-by-step recommendations for DIY replacement Peugeot 405 15B 1993 1.9 Spark Plug
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 28 nm torque.
    Replacement: spark plugs – PEUGEOT 405 I (15B). AUTODOC recommends:
    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.
  15. Step 19
    DIY replacement of Spark Plug on PEUGEOT 405 I (15B) 1.8 Turbo Diesel 1987 is not an issue anymore with our step-by-step tutorial
    Treat the ignition coil tips. Use high-temperature grease.
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