How to carry out replacement: Spark Plug 1.9 TDI Seat León Mk2
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Change Seat León Mk2 1.9 TDI Spark Plug yourself – manuals and video tutorials

How to change spark plugs on SEAT Leon Hatchback (1P1) – replacement guide

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When to replace the Spark Plug on your SEAT LEON
Recommended replacement interval for the part category Spark plug : 4 year / 60000 km
Important!
This replacement procedure can be used for:
SEAT Leon Hatchback (1P1) 1.6 MultiFuel, SEAT Leon Hatchback (1P1) 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 Leon Hatchback (1P1) and other SEAT models
Alternative products
How to change Spark plug on Seat León Mk2 1.9 TDI – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – SEAT LEON (1P1). List of the tools you'll need:
Electronic spray
Copper grease
Torque wrench
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Flat Screwdriver
Crow bar
Microfibre towel
Fender cover
Buy tools
Replacement: spark plugs – SEAT LEON (1P1). Tip from AUTODOC experts:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – SEAT LEON (1P1). Use the following procedure:
  1. Step 1
    Open the bonnet.
    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 Seat León Mk2 2005 - free PDF and video manuals
    On the right side, detach the PCV valve hose from the engine cover.
  2. Step 4
    How to replace SEAT Leon Hatchback (1P1) 1.9 TDI 2006 Spark Plug - step-by-step manuals and video guides
    Remove the engine cover assembled with the air filter housing.
    AUTODOC recommends:
    Replacement: spark plugs – SEAT LEON (1P1). Do not use excessive force when removing the part as this may damage it.
  3. Step 5
    Seat León Mk2 2.0 TDI 16V 2007 Spark Plug replacement: free workshop manuals
    Cover the throttle body with a microfibre towel to prevent dust and dirt from getting into the system.
  4. Step 6
    Changing Spark Plug on SEAT Leon Hatchback (1P1) 1.6 TDI 2008 by yourself
    Unscrew the oil filler neck.
  5. Step 7
    How to remove SEAT LEON 1.6 2009 Spark Plug - online easy-to-follow instructions
    Remove the oil filler neck.
  6. Step 8
    How to replace Spark Plug on SEAT Leon Hatchback (1P1) 2010: download PDF manuals and video instructions
    Cover the oil filler opening with a microfibre towel to prevent dirt and foreign objects from getting into the system.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Seat León Mk2 2.0 TFSI 2011 - download illustrated guide
    Undo the plastic locking tabs of the ignition coil connector. Use a flat screwdriver.
  8. Step 10
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    Unscrew the fastener of the chassis (ground) terminal of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
  9. Step 11
    Changing of Spark Plug on Seat León Mk2 2005 won't be an issue if you follow this illustrated step-by-step guide
    Take out the ignition coil from the spark plug well. Use a crowbar.
    Replacement: spark plugs – SEAT LEON (1P1). Tip from AUTODOC:
    Remember the sequence of steps for ignition coil demounting.
  10. Step 12
    SEAT LEON 1.9 TDI Spark Plug replacement: online guides and video tutorials
    Unplug the connectors from the ignition coils.
  11. Step 13
    Replacing Spark Plug on Seat León Mk2 2007 1.9 TDI by yourself
    Clean dirt, dust and debris from inside the spark plug wells.
  12. Step 14
    Leon Hatchback (1P1) 1.6 2008 Spark Plug DIY replacement workshop manual
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  13. Step 15
    How to change Spark Plug on SEAT Leon Hatchback (1P1) 2009 - tips and tricks
    Take out the spark plugs. Use the spark plug socket #16.
  14. Step 16
    Step-by-step recommendations for DIY replacement Seat León Mk2 2010 1.6 Spark Plug
    Apply a thin layer of special grease on the thread surface of new spark plugs. Use copper grease.
  15. Step 17
    DIY replacement of Spark Plug on SEAT Leon Hatchback (1P1) 2.0 TDI 2011 is not an issue anymore with our step-by-step tutorial
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  16. Step 18
    How to change Spark Plug on Seat León Mk2 2005 - free PDF and video manuals
    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 – SEAT LEON (1P1). AUTODOC experts recommend:
    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.
  17. Step 19
    How to replace SEAT Leon Hatchback (1P1) 1.9 TDI 2006 Spark Plug - step-by-step manuals and video guides
    Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
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